1026-8774 1026-8774 S1026-87742017000300170 10.22201/cgeo.20072902e.2017.3.477 Mexico Mexico Mexico Mexico Mexico 00 00 2017 00 00 2017 34 3 170 181

2005 22 3 3 329-44 1975 28 1 1 51-64 1972 77 29 29 5812-9 1975 50 145-55 2010 397 2647-58 1978 Second 1976 57 187-213 2005 37 1 1 2012 24 3 3 499-507 1986 234 189-93 2009 21 203-17 2009 Mainz, Germany 34-5 1999 82 165-8 1999 4 1 1 2014 20 ^s3 ^s3 3 698-9 2006 1960 185 301 2011 71 305-35 2002 37 501-31 INEGI (Instituto Nacional de Estadística, Geografía e Informática) 2007 2005 67 423-8 2011 The Woodlands, Texas, USA 1971 76 5635-48 2007 42 139-42 2005 7 2004 Texas, USA 2011 17 1 Monclova, Coahuila, México 1 166 1992 19 71-9 2014 2 4 4 77-82 1996 52 3-4 3-4 43-51 2003 38 11 11 1641-67 2008 League City, Texas, USA 2006 17 69-76 2006 17 67 1959 4 5 5 Servicio Geológico Mexicano 1998 1ª 2004 Texas, USA 2003 League City, Texas, USA 2006 League City, Texas, USA 2007 71 A897 1972 9 2001 Houston, Texas 2002 League City, Texas, USA