1405-3322 1405-3322 S1405-33222018000200397 10.18268/bsgm2018v70n2a9 Mexico Mexico 00 00 2018 00 00 2018 70 2 397 416

1976 261 129-30 2006 273 1849-55 1997 2004 11 371-84 1984 México 1987 Santa Cruz de la Sierra, Bolivia 2015 439 144-65 2006 191 227-54 2006 718-21 2012 57 497-508 2016 19 243-58 2016 19 131-41 1995 2000 México, México 115-9 2013 3 51-8 2009 5 81-5 2012 61-2 1993 3 349-92 1983 200 1-7 2007 24 197-215 2011 30 1883-906 2011 206-47 2016 33 72-80 2005 762 1-11 2001 4 1-9 1972 20 1-5 2003 10 99-114 2001 242-79 2001 28-9 1995 1-33 2010 84 51-65 2015 173-86 2008 1-6 2014 17 59-67 1973 21 637-59 2005 771 1-6 2002 1990 1991 2014 501-7 2007 67-72 2007 1999 16 187-207 1981 152 1-8 2003 61 159-64 North American Commission on Stratigraphic Nomenclature (NACSN) 2005 89 1547-91 1996 2018 70 2 2 417-47 2006 628-33 1989 México 2009 16 208-19 2011 283 193-202 2006 1979 1995 82-93 2001 Colorado 55-75 2006 311-27 Rock-Color Chart Committee 2009 2012 1 147-58 2004 11 27-37 2007 Madrid, España 345-8 1973 2006 268 243-54 1975 283-324 1989 369-70 1994 1-86 2002 37-50 2013 45 30-48 1982 38 227-56 1990 1984 413-517 1992 20 407-33 2010 282 291-9 2016 113 862-7 1966 1972 5 99-112 1985 5 194-210