1026-8774
1026-8774
S1026-87742018000200168
10.22201/cgeo.20072902e.2018.2.649
Mexico
Mexico
Mexico
USA
00
00
2018
00
00
2018
35
2
168
178
[
1988
62
1-4
1-4
215-35
]
[
2013
75
12
12
774
]
[
2017
]
[
2002
30
4
4
303-6
]
[
2015
129
96-110
]
[
2016
138
56-9
]
[
2008
39
2
2
237-52
]
[
1997
317
317
99-112
]
[
2000
163
1-2
1-2
69-95
]
[
2004
31
2
2
167-88
]
[
2004
109-27
]
[
1838
]
[
2006
237
2-4
2-4
483-507
]
[
1983
98
3
3
223-35
]
[
1998
50
1
1
69-95
]
[
1999
22
4
4
399-411
]
[
2013
72
3
3
512-23
]
[
2003
]
[
2004
31
2
2
139-49
]
[
2012
78
2
2
323-32
]
[
2005
34
470-5
]
[
1912
11
241-53
]
[
1830
451-500
]
[
2006
6
2
2
111-29
]
[
2003
76
1
1
15-22
]
[
1993
50
9
9
1844-56
]
[
2017
]
[
1986
21
1
1
25-37
]
[
2011
]
[
1959
VII
2
2
737-839
]
[
1992
24
24
51-78
]
[
1998
34
5
5
766-71
]
[
1996
116
1
1
vii
]
[
2009
42
4
4
587-609
]
[
1844
]
[
2011
26
1
1
109-17
]
[
2005
20
1
1
1-17
]
[
2009
106
8
8
2665-70
]
[
2002
57
1
1
91-101
]
[
2010
28
8
8
1195-206
]
[
1974
345-405
]
[
2012
43
45-60
]
[
2001
466
299-306
]
[
2005
15
1
1
01-26
]
[
2017
79
507-24
]
[
1902
2
2
2
]
[
1991
36
3
3
544-57
]
[
2014
97
33-57
]
[
1989
28
2
2
207-17
]
[
2011
26
6
6
616-26
]
[
2007
54
5
5
1191-222
]
[
2012
9
671-5
]
[
2003
29
2
2
141-54
]
[
1981
17
1
1
64-72
]
[
1984
7
37-58
]
[
2015
30
1
1
88-99
]
[
2005
34
2
2
147-57
]
[
2011
215-38
]
[
2011
849-61
]
[
2015
117
1-41
]