<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-3322</journal-id>
<journal-title><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Soc. Geol. Mex]]></abbrev-journal-title>
<issn>1405-3322</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Geológica Mexicana A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-33222019000300585</article-id>
<article-id pub-id-type="doi">10.18268/bsgm2019v71n3a1</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Microfacies and stable isotope analyses from the Carboniferous of the La Joya section in Sierra Agua Verde, Sonora, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis de microfacies y de isótopos estables del Carbonífero de la sección La Joya en Sierra Agua Verde, Sonora, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-Olea]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barragán]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palafox-Reyes]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-López]]></surname>
<given-names><![CDATA[José Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buitrón-Sánchez]]></surname>
<given-names><![CDATA[Blanca E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Coyoacán CDMX]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología Departamento de Paleontología]]></institution>
<addr-line><![CDATA[Coyoacán CDMX]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Sonora Departamento de Geología ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Coyoacán CDMX]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>71</volume>
<numero>3</numero>
<fpage>585</fpage>
<lpage>607</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-33222019000300585&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-33222019000300585&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-33222019000300585&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the Sierra Agua Verde in central-eastern Sonora, Mexico, a sequence of paleozoic rocks crops out, deposited in a carbonate platform environment with a marine biota consisting of phylloid algae, fusulinid foraminifera, Chaetetes sponges, tabulate corals, gastropods, bryozoans, brachiopods, and crinoids. In this region, a Mississippian-Pennsylvanian section, corresponding to the Santiago and La Joya formations, was studied to analyze the microfacies and reveal the paleoenvironmental evolution of the area. Nine facies associations were described, based on the composition and texture of the sample, and were linked to standard microfacies and facies zones according to the modified Wilson model. The section was analyzed for 13C and 18O stable isotopes, which revealed a series of excursions that can be related both to a global or regional-local scale events, as well as with the defined facies belts. The results indicate the section was deposited in a series of marine environments including reefal margin, sand banks, and open and restricted lagoons. The C and O positive excursions might be related to marine regression events, which are product of glacial episodes. Such events characterized important time intervals during the Late Paleozoic. Also, the carbon and oxygen excursions are related, to an influx of waters proceeding from the continent that partially masked the &#948;13C and &#948;18O global excursion patterns. The study is relevant as it is pioneer in analyzing stable isotope excursions for Sonora, and opens a window to more exhaustive research about the excursion patterns that could be related to global climate changes in a region with abundant Upper Paleozoic outcrops in Mexico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En la Sierra Agua Verde en el centro-este de Sonora, México, aflora una secuencia de rocas paleozoicas que se depositaron en un ambiente de plataforma carbonatada con una biota marina consistente en algas filoides, foraminíferos fusulínidos, esponjas del género Chaetetes, corales tabulados, gasterópodos, briozoarios, braquiópodos y crinoideos. En esta región, se estudió una sección del Misisípico-Pensilvánico, correspondiente a las formaciones Santiago y La Joya, con el objetivo de analizar las microfacies y revelar la evolución paleoambiental de la zona. Se describieron nueve asociaciones de facies caracterizadas por su composición y textura, y se vincularon a una serie de microfacies estándar y zonas de facies de acuerdo al modelo de Wilson. La sección también fue considerada para el estudio de isótopos estables de 13C y 18O que revelaron excursiones las cuales, en algunos casos, pueden ser asociadas a una serie de eventos a escala global, y en otros, a escala regional o local; estos eventos, además, se corresponden con los cinturones de facies definidos. Los resultados obtenidos indican que la sección se depositó en una serie de ambientes marinos que incluyen el margen arrecifal, los bancos de arena y las lagunas con circulación abierta y restringida. Las excursiones positivas de carbono y oxígeno se relacionan con eventos de regresión marina producto de eventos glaciales que caracterizaron intervalos importantes del Paleozoico Tardío, así como a un influjo de aguas procedentes del continente que parcialmente enmascararon los patrones de excursiones de &#948;13C y &#948;18O globales. El estudio resulta relevante pues es el primero en analizar las excursiones de isótopos estables de estas edades en el estado de Sonora y abre el campo a una investigación exhaustiva sobre los patrones de excursiones que se puedan relacionar con cambios en el clima a nivel global en un área rica en afloramientos del Paleozoico Superior en México.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Mississippian]]></kwd>
<kwd lng="en"><![CDATA[Pennsylvanian]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="en"><![CDATA[stable isotope analysis]]></kwd>
<kwd lng="en"><![CDATA[microfacies]]></kwd>
<kwd lng="en"><![CDATA[paleoenvironments]]></kwd>
<kwd lng="es"><![CDATA[Misisípico]]></kwd>
<kwd lng="es"><![CDATA[Pensilvánico]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="es"><![CDATA[análisis de isótopos estables]]></kwd>
<kwd lng="es"><![CDATA[microfacies]]></kwd>
<kwd lng="es"><![CDATA[paleoambientes]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almazán-Vázquez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón-Sánchez]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Espinosa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The late Atokan (Moscovian-Pennsylvanian) chaetetid accumulations of Sierra Agua Verde, Sonora (NW Mexico): composition, facies and paleoenvironmental signals]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Álvaro]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aretz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Boulvain]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Munnecke]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Venin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Palaeozoic Reefs and Bioaccumulations: Climatic and Evolutionary Controls]]></source>
<year>2007</year>
<numero>275</numero>
<issue>275</issue>
<page-range>189-200</page-range><publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Geological Society of London]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Armin]]></surname>
<given-names><![CDATA[R.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sedimentology and tectonic significance of Wolfcampian (Lower Permian) conglomerates in the Pedregosa basin]]></article-title>
<source><![CDATA[Geological Society of America Bulletin]]></source>
<year>1987</year>
<volume>99</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>42-65</page-range><publisher-loc><![CDATA[Southeastern Arizona ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Banner]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Hanson]]></surname>
<given-names><![CDATA[G.N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calculation of simultaneous isotopic and trace element variations during water-rock interaction with applications to carbonate diagenesis]]></article-title>
<source><![CDATA[Geochimica et Cosmochimica Acta]]></source>
<year>1990</year>
<volume>54</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>3123-37</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Batt]]></surname>
<given-names><![CDATA[L.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Montañez]]></surname>
<given-names><![CDATA[I.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Isaacson]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pope]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Butts]]></surname>
<given-names><![CDATA[S.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Abplanalp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multi-carbonate component reconstruction of mid-carboniferous (Chesterian) seawater &#948;13C]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2007</year>
<volume>256</volume>
<numero>3-4</numero>
<issue>3-4</issue>
<page-range>298-318</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brand]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global climatic changes during the Devonian-Mississippian; stable isotope biogeochemistry of brachiopods]]></article-title>
<source><![CDATA[Global and Planetary Change]]></source>
<year>1989</year>
<volume>75</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>311-29</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brand]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Azmy]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Griesshaber]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bitner]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Logan]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zuschin]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruggiero]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Colin]]></surname>
<given-names><![CDATA[P.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carbon isotope composition in modern brachiopod calcite: A case of equilibrium with seawater?]]></article-title>
<source><![CDATA[Chemical Geology]]></source>
<year>2015</year>
<volume>411</volume>
<page-range>81-96</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Buitrón-Sánchez]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Espinosa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Almazán-Vázquez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A late Atokan regional encrinite (early late Moscovian, Middle Pennsylvanian) in the Sierra Agua Verde, Sonora state, NW Mexico]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Álvaro]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aretz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Boulvain]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Munnecke]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Venin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Palaeozoic Reefs and Bioaccumulations: Climatic and Evolutionary Controls]]></source>
<year>2007</year>
<numero>275</numero>
<issue>275</issue>
<page-range>201-9</page-range><publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Geological Society of London]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carpenter]]></surname>
<given-names><![CDATA[S.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Lohmann]]></surname>
<given-names><![CDATA[K.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[&#948;18O and &#948;13C values of modern brachiopod shells]]></article-title>
<source><![CDATA[Geochimica et Cosmochimica Acta]]></source>
<year>1995</year>
<volume>59</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>3749-64</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coplen]]></surname>
<given-names><![CDATA[T.B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Normalization of oxygen and hydrogen isotope data]]></article-title>
<source><![CDATA[Chemical Geology (Isotope Geoscience Section)]]></source>
<year>1988</year>
<volume>72</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>293-7</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coplen]]></surname>
<given-names><![CDATA[T.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Brand]]></surname>
<given-names><![CDATA[W.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gehre]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gröning]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Harro]]></surname>
<given-names><![CDATA[A.J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Toman]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Verkouteren]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New guidelines for &#948;13C measurements]]></article-title>
<source><![CDATA[Analytical Chemistry]]></source>
<year>2006</year>
<volume>78</volume>
<page-range>2439-41</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coronado]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de microfacies de los montículos de la Formación Cosgaya. Sección de Las Ilces, Pensilvánico]]></article-title>
<source><![CDATA[Cantabria: Coloquios de Paleontología]]></source>
<year>2009</year>
<volume>59</volume>
<page-range>61-91</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dunham]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification of carbonate rocks according to depositional texture]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ham]]></surname>
<given-names><![CDATA[W.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Classification of carbonate rocks: American Association of Petroleum Geologists]]></source>
<year>1962</year>
<volume>1</volume>
<page-range>108-1212</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ekdale]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ekdale]]></surname>
<given-names><![CDATA[S.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Numerical analysis of carbonate microfacies in the Cupido Limestone (Neocomian-Aptian), Coahuila, Mexico]]></article-title>
<source><![CDATA[Journal of Sedimentary Petrology]]></source>
<year>1976</year>
<volume>46</volume>
<page-range>362-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The late Paleozoic ice age-A review of current understanding and synthesis of global climate patterns]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Resolving the Late Paleozoic Ice Age in Time and Space]]></source>
<year>2008</year>
<numero>441</numero>
<issue>441</issue>
<page-range>343-54</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flügel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mikrofazielle Untersuchungen in der alpinen Trias: Methoden und Probleme]]></article-title>
<source><![CDATA[Mitteilungen der Gesellschaft der Geologie-und Bergbaustudenten in Österreich]]></source>
<year>1972</year>
<volume>21</volume>
<page-range>6-64</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flügel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microfacies of carbonate rocks. Analysis, interpretation and application]]></source>
<year>2010</year>
<page-range>984</page-range><publisher-loc><![CDATA[London New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Birgenheier]]></surname>
<given-names><![CDATA[L.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Montañez]]></surname>
<given-names><![CDATA[I.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Late Paleozoic climate dynamics revealed by comparison of ice-proximal stratigraphic and ice-distal isotopic records]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Resolving the Late Paleozoic Ice Age in Time and Space]]></source>
<year>2008</year>
<volume>441</volume>
<page-range>1-12</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gehrels]]></surname>
<given-names><![CDATA[G.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Dickinson]]></surname>
<given-names><![CDATA[W.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ross]]></surname>
<given-names><![CDATA[G.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Howell]]></surname>
<given-names><![CDATA[D.G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detrital zircon reference for Cambrian to Triassic miogeoclinal strata of western North America]]></article-title>
<source><![CDATA[Geology]]></source>
<year>1995</year>
<volume>23</volume>
<page-range>831-4</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez-Espinosa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis tafonómico y taxonomía del macrobentos calcáreo del Paleozoico Tardío de Sierra Agua Verde, noreste de Sonora, México]]></source>
<year>2010</year>
<page-range>141</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez-Espinosa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón-Sánchez]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Almazán-Vázquez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza-Madera]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pennsylvanian fusulinids and calcareous algae from Sonora (northwestern Mexico), and their biostratigraphic and palaeobiogeographic implications]]></article-title>
<source><![CDATA[Comptes Reendus Palevol]]></source>
<year>2008</year>
<volume>7</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>259-68</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Greenwood]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Kottlowski]]></surname>
<given-names><![CDATA[F.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Thompson III]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Petroleum potential and stratigraphy of Pedregosa basin: Comparison with Permian and Orogrande basins]]></article-title>
<source><![CDATA[American Association of Petroleum Geologists Bulletin]]></source>
<year>1977</year>
<volume>61</volume>
<page-range>1448-69</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grossman]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Mii]]></surname>
<given-names><![CDATA[H.-S.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Yancey]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical variation in Pennsylvanian brachiopod shells -diagenetic, taxonomic, microstructural, and seasonal effects]]></article-title>
<source><![CDATA[Journal of Sedimentary Research]]></source>
<year>1996</year>
<volume>66</volume>
<page-range>1011-22</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[L.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Limarino]]></surname>
<given-names><![CDATA[C.O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carboniferous glacigenic deposits of the proto-Precordillera of west-central Argentina]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Resolving the Late Paleozoic Ice Age in Time and Space]]></source>
<year>2008</year>
<numero>441</numero>
<issue>441</issue>
<page-range>131-42</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Iannuzzi]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sequence stratigraphy and biostratigraphy of the Late Carboniferous to Early Permian glacial succession (Itararé subgroup) at the eastern-southeastern margin of the Paraná Basin, Brazil]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Resolving the Late Paleozoic Ice Age in Time and Space]]></source>
<year>2008</year>
<volume>441</volume>
<page-range>115-29</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Wolfe]]></surname>
<given-names><![CDATA[K.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lenaker]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Timing of late Paleozoic glaciation in Gondwana: Was glaciation responsible for the development of northern hemisphere cyclothems?]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Chan]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Archer]]></surname>
<given-names><![CDATA[A. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Extreme depositional environments: mega end members in geologic time]]></source>
<year>2003</year>
<numero>370</numero>
<issue>370</issue>
<page-range>5-24</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Joachimski]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[von Bitter]]></surname>
<given-names><![CDATA[P.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Buggisch]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Constraints on Pennsylvanian glacioeustatic sea-level changes using oxygen isotopes of conodont apatite]]></article-title>
<source><![CDATA[Geology]]></source>
<year>2006</year>
<volume>34</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>277-80</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kietzmann]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Palma]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bressan]]></surname>
<given-names><![CDATA[G.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Facies y microfacies de la Rampa Tithoniana-Berriasiana de la Cuenca Neuquina (Formación Vaca Muerta) en la sección del Arroyo Loncoche-Malargüe, Provincia de Mendoza]]></article-title>
<source><![CDATA[Revista de la Asociación Argentina]]></source>
<year>2008</year>
<volume>63</volume>
<page-range>696-713</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Jarochowska]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Du]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Munnecke]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microfacies and carbon isotope records of Mississippian carbonates from the isolated Bama Platform of Youjiang Basin, South China: Possible responses to climate-driven upwelling]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2015</year>
<volume>438</volume>
<numero>10.1016/j.palaeo.2015.07.048</numero>
<issue>10.1016/j.palaeo.2015.07.048</issue>
<page-range>96-112</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Jarochowska]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Yuansheng]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Munnecke]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stratigraphical and &#948;13C records of Permo-Carboniferous platform carbonates, South China: Responses to late Paleozoic icehouse climate and icehouse-greenhouse transition]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2017</year>
<volume>474</volume>
<page-range>113-29</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lowenstam]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mineralogy, O18/O16 ratios, and strontium and magnesium contents of recent and fossil brachiopods and their bearing on the history of the oceans]]></article-title>
<source><![CDATA[Journal of the Geological Society (London)]]></source>
<year>1961</year>
<volume>147</volume>
<page-range>1-4</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Redfern]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aitken]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A regional overview of the late Paleozoic glaciation in Oman]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Resolving the Late Paleozoic Ice Age in Time and Space]]></source>
<year>2008</year>
<volume>441</volume>
<page-range>175-86</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McCrea]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the isotopic chemistry of carbonates and a paleotemperature scale]]></article-title>
<source><![CDATA[The Journal of Chemical Physics]]></source>
<year>1950</year>
<volume>18</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>849</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mii]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Grossman]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yancey]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carboniferous isotope stratigraphies of North America: Implications for Carboniferous paleoceanography and Mississippian glaciation]]></article-title>
<source><![CDATA[Geological Society of America Bulletin]]></source>
<year>1999</year>
<volume>111</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>960-73</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mii]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Grossman]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yancey]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Chuvashov]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Egorov]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotopic records of brachiopod shells from the Russian Platform-evidence for the onset of mid- Carboniferous glaciation]]></article-title>
<source><![CDATA[Chemical Geology]]></source>
<year>2001</year>
<volume>175</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>133-47</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Minjarez-Sosa]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa-Granillo]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sosa-León]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[González-León]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Vega-Granillo]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geología de la Sierra Agua Verde, NE de Villa Pesqueira (Matape) (abstract), in Tercer Simposio de la Geología de Sonora y Áreas Adyacentes: Hermosillo, Sonora, México]]></source>
<year>1993</year>
<page-range>83-5</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Navas-Parejo]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Palafox]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón-Sánchez]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Valencia-Moreno]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mid-Carboniferous shallow-water conodonts from northwest Mexico]]></article-title>
<source><![CDATA[Micropaleontology]]></source>
<year>2017</year>
<volume>63</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>383-402</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ochoa-Granillo]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sosa-León]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geología y estratigrafía de la Sierra Agua Verde con énfasis en el Paleozoico]]></source>
<year>1993</year>
<page-range>59</page-range><publisher-loc><![CDATA[Hermosillo, Sonora, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Sonora]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palafox-Reyes]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Du Craton au Rheïque: le nord et le centre de l&#8217;état du Sonora (Mexique) au Paleozoïque Superieur (Devonien-Pennsylvanien), lithostratigraphie, biostratigraphie, aproche geochimique et implications geologiques]]></source>
<year>2011</year>
<page-range>318</page-range><publisher-loc><![CDATA[Lille, France ]]></publisher-loc>
<publisher-name><![CDATA[Université de Lille 1]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Poole]]></surname>
<given-names><![CDATA[F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[L.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Repetski]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[A.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ross]]></surname>
<given-names><![CDATA[R.J.Jr.]]></given-names>
</name>
<name>
<surname><![CDATA[Ketner]]></surname>
<given-names><![CDATA[K.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Amaya-Martínez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Ramírez]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ordovician carbonate-shelf rocks of Sonora, Mexico]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Droser]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Finney]]></surname>
<given-names><![CDATA[S.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ordovician Odyssey: Short Papers for the Seventh International Symposium on the Ordovician System]]></source>
<year>1995</year>
<numero>77</numero>
<issue>77</issue>
<page-range>267-75</page-range><publisher-loc><![CDATA[Las Vegas, Nevada ]]></publisher-loc>
<publisher-name><![CDATA[Society of Economic Paleontologists and Mineralogists]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Repetski]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[A.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Poole]]></surname>
<given-names><![CDATA[F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Ramírez]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Early Ordovician conodonts from central Sonora, Mexico (abstract), in Fourth European Conodont Symposium (ECOS IV)]]></source>
<year>1985</year>
<page-range>25-6</page-range><publisher-loc><![CDATA[Nothingham, U.K. ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rocha-Campos]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[dos Santos]]></surname>
<given-names><![CDATA[P.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Canuto]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Late Paleozoic glacial deposits of Brazil: Paraná Basin]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fielding]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[T.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Isbell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Resolving the Late Paleozoic Ice Age in Time and Space]]></source>
<year>2008</year>
<numero>441</numero>
<issue>441</issue>
<page-range>97-114</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saltzman]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Late Paleozoic Ice Age: Oceanic gateway or pCO2?]]></article-title>
<source><![CDATA[Geology]]></source>
<year>2003</year>
<volume>31</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>151-4</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saltzman]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phosphorous, nitrogen, and the redox evolution of the Paleozoic oceans]]></article-title>
<source><![CDATA[Geology]]></source>
<year>2005</year>
<volume>33</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>573-6</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schlager]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sedimentology and sequence stratigraphy of carbonate rocks]]></source>
<year>2002</year>
<page-range>146</page-range><publisher-loc><![CDATA[Amsterdam (Vrije Universiteit/Earth and Life Sciences) ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Seuss]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Titschack]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Seifert]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Neubauer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nützel]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oxygen and stable carbon isotopes from a nautiloid from the middle Pennsylvanian (Late Carboniferous) impregnation Lagerstätte &#8216;Buckhorn Asphalt Quarry&#8217; -Primary paleo-environmental signals versus diagenesis]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2012</year>
<volume>319- 320</volume>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
<name>
<surname><![CDATA[McMenamin]]></surname>
<given-names><![CDATA[M.A.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Ramírez]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Upper Proterozoic and Cambrian rocks in the Caborca region, Sonora, Mexico-physical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations]]></source>
<year>1984</year>
<numero>1309</numero>
<issue>1309</issue>
<page-range>1-36</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Madrid]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Poole]]></surname>
<given-names><![CDATA[F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ketner]]></surname>
<given-names><![CDATA[K.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Almazán-Vázquez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Aguirre]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Studies of Late Proterozoic, Paleozoic, and Triassic rocks in Sonora, Mexico (abstract), in Segundo Simposio sobre Geología y Minería de Sonora]]></source>
<year>1988</year>
<page-range>60-2</page-range><publisher-loc><![CDATA[Hermosillo, Sonora, México ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Poole]]></surname>
<given-names><![CDATA[F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[A.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Repetsky]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Wardlaw]]></surname>
<given-names><![CDATA[B.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mamet]]></surname>
<given-names><![CDATA[B.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Ramírez]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neoproterozoic(?) to Pennsylvanian inner-shelf, miogeoclinal strata in Sierra Agua Verde, Sonora, Mexico]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Geológicas]]></source>
<year>1999</year>
<volume>16</volume>
<page-range>35-62</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Titschak]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Radtke]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Freiwald]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dating and characterisation of polymorphic transformation of aragonite to calcite in Pleistocene bivalves from Rhodes (Greece) by combined shell microstructure, stable isotope, and electron spin resonance study]]></article-title>
<source><![CDATA[Journal of Sedimentary Research]]></source>
<year>2009</year>
<volume>79</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>322-46</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Veevers]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Powell]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Late Paleozoic glacial episodes in Gondwanaland reflected in transgressive-regressive depositional sequences in Euramerica]]></article-title>
<source><![CDATA[Geological Society of America Bulletin]]></source>
<year>1987</year>
<volume>98</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>475-87</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Veizer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ala]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Azmy]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Bruckschen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Buhl]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bruhn]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Carden]]></surname>
<given-names><![CDATA[G.A.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Diener]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebneth]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Godderis]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Jasper]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Korte]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pawellek]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Podlaha]]></surname>
<given-names><![CDATA[O.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Strauss]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[87Sr/86Sr, &#948;13C and &#948;18O evolution of Phanerozoic seawater in Earth system evolution]]></article-title>
<source><![CDATA[Chemical Geology]]></source>
<year>1999</year>
<volume>161</volume>
<numero>1-3</numero>
<issue>1-3</issue>
<page-range>59-88</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weissert]]></surname>
<given-names><![CDATA[H.J.]]></given-names>
</name>
<name>
<surname><![CDATA[McKenzie]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Channell]]></surname>
<given-names><![CDATA[J.E.T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Natural variations in the carbon cycle during the Early Cretaceous]]></article-title>
<source><![CDATA[Geophysical Monograph]]></source>
<year>1985</year>
<volume>32</volume>
<page-range>531-45</page-range></nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Carbonate facies in geologic history]]></source>
<year>1975</year>
<page-range>471</page-range><publisher-loc><![CDATA[Berlin ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
