Publications

The Center conducts analyses of and develops information on minerals-related issues, including minerals conservation, sustainability, availability, materials flow, and the economic health of the U.S. minerals industry.

Key Publications

Historical and Time Series Data

Graph from Zeolites 2016 chapter showing increasing production trend with fluctuations since 1975

A compilation of data on mineral production, imports, exports, stocks, reported and apparent consumption publications.

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Periodic Publications

sphalerite, cubes of pyrite, and covellite

A subset of our monthly, quarterly, and annual publications

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Special Publications

Fact Sheets - Short introductions to mineral commodities, materials flow, and supply chain topics

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November 1, 1950

Alteration and metallization in the Bagdad porphyry copper deposit, Arizona

The porphyritic to seriate-textured quartz monzonite host-rock at Bagdad was changed by hypogene alteration to a granular rock in which the plagioclase became albitic, orthoclase and quartz increased in amount, and hornblende and book-biotite were recrystallized to pale brown leafy biotite. Hypogene sulfides, pyrite and chalcopyrite, were added during the process of alteration, accompanied in part

Authors

Charles Anderson

National Minerals Information Center

Publications

Historical and Time Series Data

Periodic Publications

Special Publications

Alteration and metallization in the Bagdad porphyry copper deposit, Arizona

U.S. Geological Survey

U.S. Department of the Interior