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    Mineral Appraisal of Coronado National Forest, Part 14, Industrial Minerals MLA 10-94

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    Author
    Armstrong, R.C.
    Martin, C.M.
    Issue Date
    1994
    Keywords
    US Bureau of Mines (MLA)
    Coronado National Forest
    Santa Rita Mountains
    Dragoon Mountain
    Santa Cruz County
    Cochise County
    Pima County
    Lone Star Mine
    El tigre Mine
    Copper Plate Mine
    Ricketts Mine
    Southern Belle Mine
    Gold Hill Mine
    gemstones
    sand and grave
    fluorspar
    gypsum
    carbonate rocks
    Silica
    industrial minerals
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    Description
    Mineral Appraisal of Coronado National Forest, Part 14, Industrial Minerals MLA 10-94 (1994). The U.S. Bureau of Mines conducted mineral appraisals of the 13 management units in the Coronado National Forest, which comprises approximately 1.85 million acres in five counties of southeastern Arizona and one county in southwestern New Mexico. Most industrial minerals found in the Forest are commodities of low unit value. Their development is highly dependent on accessibility and location relative to potential markets. Current production is limited to one marble/limesone quarry and a few sand and gravel quarries; production there is expected to continue. Subeconomic resources of silica flux contain appreciable byproduct metals, and may become economic if further investigation establishes higher tonnage and/or grade, or if the price of gold and/or silver increases. Two areas are possible targets for development of high-brightness marble products. Development of 137,000 st indicated resource of low-grade gypsum is unlikely under reasonably foreseeable economic conditions. Gypsum deposits outside the Forest are more likely targets for development. There is little likelihood for development of f!uorspar occurrences in the Forest, due to their low volume and quality, and to decreased demand for fluorspar from the steel industry. Occurrences of common rock, and sand and gravel could be utilized as needed.
    URI
    http://hdl.handle.net/10150/629828
    Additional Links
    https://library.azgs.arizona.edu/
    Language
    en
    Rights
    Arizona Geological Survey. All rights reserved.
    Collection Information
    Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
    North Bounding Coordinate
    32.9364
    South Bounding Coordinate
    31.3551
    West Bounding Coordinate
    -111.241
    East Bounding Coordinate
    -109.055
    Collections
    AZGS Document Repository

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