1026-8774
1026-8774
S1026-87742018000200179
10.22201/cgeo.20072902e.2018.2.713
Mexico
Brazil
00
00
2018
00
00
2018
35
2
179
187
[
1833
^savec
^savec
avec
]
[
2016
36
]
[
2006
24
169-207
]
[
2014
17
1, 12A
1, 12A
1-25
]
[
1996
529-38
]
[
1999
265-334
]
[
2015
63
31-79
]
[
2004
24
41-55
]
[
2015
32
293-304
]
[
2004
49
521-36
]
[
1818
27
310-95
]
[
1859
]
[
1988
21
6
6
819-23
]
[
1992
78
3
3
129-57
]
[
1997
19
618-772
]
[
2009
8
395-402
]
[
2011
A9
107-36
]
[
1994
139-40
]
[
2017
7
17830
17830
1-8
]
[
1970
154-63
]
[
1872
28
317-50
]
[
1892
2
1-7
]
[
1891
37
140-94
]
[
2015
14
4
4
291-304
]
[
1892
92
1
1
504
]
[
1919
71
208-10
]
[
2013
88
2
2
167-85
]
[
2011
9
2
2
197-215
]
[
2017
3
2
2
161-74
]
[
1991
]
[
1993
435-54
]
[
2000
21
281-314
]
[
1994
14
1
1
1-8
]
[
1889
II
2nd
]
[
1973
233-305
]
[
1977
579-643
]
[
1977
158
2
2
81-172
]
[
2008
51
1
1
117-47
]
[
1989
1
1
1
57-64
]
[
1990
62
3
3
251-60
]
[
1996
199
3
3
395-415
]
[
1969
LXXIX
3/4
3/4
261-4
]