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



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NT 22

Aljibes, Hgo.

-99.60

20.60

Basalt

Ar/Ar

WR

7.70

0.10

Suter et al., 1995

























VE 118

NE Jalapa, Ver.

-97.58

19.78

Andesite

K/Ar

WR

7.70

0.30

Cantagrel et al. 1979

























HF 25

Pathè, Hgo.

-99.72

20.64

Rhyolite

K/Ar




7.60

0.30

Venegas et al. 1985

























W 2

S. Cristobal Barranca, Jal.

-103.42

21.03

Basalt (px)

K/Ar

WR

7.50

2.00

Castillo-Hdz. and Romero-Rios, 1991

























EN 36

N Path , Pach.

-99.74

20.76

Andesite

K/Ar

WR

7.43

0.40

Jacobo-Albarrán, 1986





































Granodiorite

K/Ar

Feld

7.30

4.00

IMP, UNPUBLISHED

























W3

S. Cristobal Barr., Jal.

-103.42

21.12

Andesite

K/Ar

WR

7.30

2.00

Castillo-Hdz. and Romero-Rios, 1991

























*

Cerro Cantera, Ver.

-96.43

19.65

Dacite

K/Ar

WR

7.20

0.20

Negendank et al. 1985

























LF 1

Mesa Los Caballos, Jal.







Rhyolite

Ar/Ar

Bio

7.20

0.30

Ferrari et al., in prep.

























KA 3100

N Guadalajara, Jal.

-103.32

20.78

Rhyolite

K/Ar

San

7.15

0.20

Gilbert et al. 1985

























1340a

La Ordeña, Gto.

-101.12

20.60

Basalt

K/Ar

WR

7.12

0.32

Hasenaka et al., 1994

























HU 44

Sierra Los Caballos, Hgo.







Rhyolite

Ar/Ar

Pl

12.70

0.40

Aguirre and Lopez, unpublished

























*L

Mesa Colorada, Jal.

-103.33

20.70

Ignimbrite

K/Ar




7.00

1.00

Soto and Ortega, 1982





































Ignimbrite

K/Ar

Pl

7.00

1.00

IMP, UNPUBLISHED





































Ignimbrite

K/Ar

glass

7.00

1.00

IMP, UNPUBLISHED





































Trachyandesite

K/Ar

WR

7.00




IMP, UNPUBLISHED

























*

Cerro Largo, Hgo.

-99.74

20.61

Rhyolite

K/Ar




6.70

0.10

Milan and Herrera 1987

























*

Cerro Largo, Hgo.

-99.74

20.61

Rhyolite

K/Ar




6.60

0.10

Milan and Herrera 1987

























OB 1

Los Pericos, Jal.







Rhyolite

FT

Obs

6.55

0.28

Ferrari et al., in prep.

























*

Gpo S. Juan, Pach.

-99.74

20.61

Basalt

K/Ar

WR

6.50

0.20

Milan and Herrera 1987

























VE 15

Cerro Cantera, Ver.

-96.45

19.68

Dacite

K/Ar




6.50

0.20

Cantagrel et al. 1979

























*

Gpo S. Juan, Qro.

-99.74

20.61

Basalt

K/Ar

WR

6.40

0.20

Milan and Herrera 1987

























CHP 555

El Divisadero, Jal.

-102.96

20.06

Basalt

K/Ar




6.26

1.21

Delgado et al., 1995

























CHP 717

S Teocuitatlan. Jal.

-103.33

20.05

Basalt

K/Ar




6.22

0.96

Delgado G. H., 1992

























LIRT 2

Chiconquiaco-Palma Sola,Ver.

-96.70

19.83

Gabbro

K/Ar

WR

6.20

0.60

Lopez-Infanzon, 1990

























CHP 563

S Tizapan el Alto, Jal.

-103.02

20.07

Alk. And.-Bas.

K/Ar




6.15

0.79

Delgado G. H., 1992

























Mx 88-19

El Terrero, Gto.

-100.57

20.13

Ignimbrite

K/Ar

Pl

6.10

0.60

Ferrari et al. 1991

























Pu 3

Sierra el Gavilan, Gto.

-101.54

20.02

Basalt

K/Ar

WR

6.00

0.40

Pasquarè et al., 1991

























Cl 14

S. Rafael, Gto.

-101.45

19.96

Basalt

K/Ar

WR

6.00

0.30

Pasquarè et al., 1991

























LIRT 202

Chiconquiaco-Palma Sola, Ver.

-96.86

19.78

Basalt alk.

K/Ar

WR

6.00

0.60

Lopez-Infanzon, 1990





































Andesite

K/Ar

WR

6.00




IMP, UNPUBLISHED




























E Amatitan, Jal.

-103.64

20.83

Ignimbrite

K/Ar




6.00




CFE 1980





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