1026-8774 1026-8774 S1026-87742017000300234 10.22201/cgeo.20072902e.2017.3.528 Mexico Mexico 00 00 2017 00 00 2017 34 3 234 249

2014 50 171-86 2007 22 682-5 2008 28 53-60 2008 257-78 1996 529-38 2006 276-304 2009 122 91-102 1996 529-50 1997 7 1-168 2015 54 211-8 2000 80 3-11 2006 58 1295-302 1818 37 310-95 1965 50 1-64 1977 12 1-60 1997 37 1-19 2003 3404 1-35 1877 3 807-19 1886 23 121 121 1-21 2004 141 2 2 257-70 2006 46 10 10 107-23 1996 539-50 1912 8 370-8 2016 88 1277-307 2017 1973 10 8 8 1302-18 1975 175 151-77 2004 405-27 2003 1 227-330 1971 7 156-9 1982 2728 1-34 1985 181 231-372 1966 131 339-455 2007 44 775-90 2001 Serpiano-Monte San Giorgio 41 2004 449-61 1910 7 123-34 1913 26 79 2010 30 57-67 2004 233 255-74 2016 2011 1845 11 91-141 2016 2011 48 1 1 1-9 2013 267-90 2016 5th 2010 47 1183-96 1992 9 156-69 1977 158 281-172 2010 Saltillo, Coahuila, México 2000 21 571-85 1951 23 692-3 1964 39 4 4 290-7 1990 62 261-8 1994 66 131-43 1985 27 2 2 169-74 1956 4 413-8 1997 127 75-97 1959 2 304-12 2016 36 1 1 2016 53 4 4 331-42 1895 15 6 6 1-3 2004 391-404 1985 17 1-136