Gsa data Repository Compilation of ages of magmatic rocks in central Mexico



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*I

Aguamilpa, Nay.

-104.77

21.86

Monzonitic dike

K/Ar

WR

11.50

0.50

Soto and Ortega, 1982

























Ped Nay 3

La Yesca, Nay.

-104.03

21.30

Basaltic dike

K/Ar

WR

11.48

0.24

Damon et al., 1979

























Mx 88-13

Sierra Los Agostinos, Mich.

-100.72

20.20

Rhyolite

K/Ar

Pl

11.40

0.60

Pasquarè et al., 1991

























*J

Mirador el Aguila, Nay.

-105.01

21.67

Basalt

K/Ar

WR

11.20

0.80

Soto and Ortega, 1982

























Jag 2

San Miguel de Allende, Gto.

-101.77

20.83

Andesite

K/Ar

WR

11.10

0.40

Perez-Venzor et al., 1997




























V. Manzano (S. Cruces), Mex.

-99.38

19.55

Dacite

K/Ar

WR

11.10




Negendank et al., 1981

























1155

Punta Mita, Nay.

-105.41

20.91

Ignimbrite

K/Ar

Feld

11.10

0.20

Gastil et al. 1979




























Concordia area, Sin.

-106.15

23.28

Basaltic dike

Ar/Ar

WR

11.03

0.16

Henry & Aranda-Gomez, 1997





































Basalt

K/Ar

WR

11.00

1.00

IMP, UNPUBLISHED

























S 6

N Atotonilco, Jal.

-102.53

20.68

Bas.-Andesite

K/Ar

WR

11.00

2.00

Verma et al. 1985

























*

Alseseca, Pue.

-97.18

19.80

Andesite

K/Ar

WR

11.00

0.00

Yanez-G. and Garcia-D. 1980





































Porfido Qz.-Dior.

K/Ar

Bio

11.00




IMP, UNPUBLISHED





































Andesite

K/Ar

WR

11.00




IMP, UNPUBLISHED





































Tonalite

K/Ar

Bio

11.00

0.87

IMP, UNPUBLISHED





































Granodiorite

K/Ar

Bio

11.00




IMP, UNPUBLISHED

























95-J8

Cerro Grande, Pue.

-97.84

19.56

Andesite

K/Ar

WR

11.00

0.60

Carrasco-Nuñez et al., 1998

























A 81

Garcia de la Cadena, Jal.

-103.48

21.18

Bas.-Andesite

K/Ar

gms

10.99

0.23

Moore et al., 1994

























Ped Zac 1

Mesa Toyahua, Zac

-102.77

21.32

Andesite

K/Ar

WR

10.96

0.57

Nieto-Obregón et al. 1981

























Ped Nay 12

La Manga Larga, Nay.

-104.34

21.43

Basaltic dike

K/Ar

WR

10.92

0.33

Damon et al., 1979

























ZA 8

Volcan Zamorano, Que.

-100.18

20.91

Andesite

K/Ar

WR

10.90

0.50

Carrasco-Nuñez et al., 1989

























GTO 1

Soria, Gto.







Andesite

Ar/Ar

WR

10.80

0.50

Cerca-Martínez, 1998

























DCH 2

E Atotonilco, Jal.

-102.22

20.57

Bas. Andesite

K/Ar

WR

10.80

0.90

Castillo-Hdz. and Romero-Rios, 1991

























EN 197

Tepotzotlán, Mex.

-99.23

19.69

Andesite

K/Ar

WR

10.74

0.40

Jacobo-Albarrán, 1986




























Concordia area, Sin.

-106.14

23.27

Basaltic dike

Ar/Ar

WR

10.70

0.20

Henry & Aranda-Gomez, 1997

























PEDHI 21-81

Potreritos, Hgo.

-99.33

20.49

Basalt

K/Ar

WR

10.70

0.20

Suter et al., 1997

























-

N of S. M. de Allende, Gto.

-100.76

21.00

Basalt

K/Ar

WR

10.70

0.70

Carranza-Castaneda et al., 1994

























Ped Zac 2

C. San Miguel, Ags.

-103.82

21.42

Bas.-Andesite

K/Ar

gms

10.52

0.22

Nieto-Obregón et al. 1981




























La Ordeña, Gto.

-101.13

20.70

Andesite

K/Ar

WR

10.50

0.10

Hasenaka et al., 1994




























La Ordeña, Gto.

-101.17

20.68

Bas.-Andesite

K/Ar

WR

10.30

0.10

Hasenaka et al., 1994

























DCH 4

Ayotlàn, Jal.

-102.30

20.55

Basalt

K/Ar

WR

10.30

0.50

Castillo-Hdz. and Romero-Rios, 1991

























A 30

S. Cristobal Barranca, Jal.

-103.42

21.05

Basalt

K/Ar

gms

10.25

0.82

Moore et al., 1994

























61-180

S. Cristobal Barranca, Jal.

-103.42

21.37

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