GRANNY, a data bank of chemical analyses of Laramide and younger high-silica rhyolites and granites from Colorado and north-central New Mexico

Steigerwald, Celia H.; Mutschler, Felix E.; Ludington, Steve

Abstract:

GRANNY is a data bank containing information on 507 chemically analyzed Laramide or younger high-silica rhyolites and granites from Colorado and north-central New Mexico. The data were compiled from both published and unpublished sources. The data bank is designed to aid in the recognition of igneous rocks with a high exploration potential for the discovery of molybdenum (and other lithophile element) deposits. Information on source reference, geographic location, age, mineralogic and petrologic characteristics, major constituent analyses, and trace element analyses for each sample are given. The data bank is available in two formats: 1) paper- or microfiche-hardcopy, and 2) fixed format computer readable magnetic tape.

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USGS Numbered Series

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11319

Citation Author:

Steigerwald, Celia H.; Mutschler, Felix E.; Ludington, Steve

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ENGLISH

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i, 562 p. map ;28 cm.

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Open-File Report

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OFR

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83-516

Citation Search Results Text:

GRANNY, a data bank of chemical analyses of Laramide and younger high-silica rhyolites and granites from Colorado and north-central New Mexico; 1983; OFR; 83-516; Steigerwald, Celia H.; Mutschler, Felix E.; Ludington, Steve