Geochemistry of some metamorphic and sedimentary rocks from the mineral district of Zacatecas, Zac., México.

Geochemistry of some metamorphic and sedimentary rocks from the mineral district of Zacatecas, Zac., México.

The area of study is caracterized by a thick succesion of mainly rhyolitic flows which cover Mesozoic and older metamorphic rocks and a large porphyritic andesite body of Early Tertiary age. Metamorphic rocks have rare earth element (REE) patterns similar to the North American Shale Composite (NASC)...

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Bibliographic Details
Main Authors: David J. Terrell, Surendra Pal, Margarita Lopez M.
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Geofísica 1978-04-01
Series:Geofísica Internacional
Subjects:
geochemistry
metamorphic rocks
sedimentary rocks
zacatecas
mexico
Online Access:http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1473

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