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Azurite, malachite and associated minerals from the Morenci Mine, greenlee county, Arizona.(Brief article)
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The Mineralogical Record
- Article date:
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May 1, 2008
- Author:
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Copyright informationCOPYRIGHT 2008 The Mineralogical, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The Morenci Mine is located in east-central Arizona near the boundary with New Mexico. Copper deposits were discovered there in 1865 and the first claims were staked in 1872. Serious mining to exploit the rich near-surface copper carbonate veins began shortly thereafter. Morenci eventually evolved from a few underground workings to what it is today: the largest open-pit mine and the largest producer of copper in the United States. The early days of Morenci did not see the recovery of many fine azurite and malachite specimens, though they were certainly encountered during mining. It wasn't until Phelps Dodge Corporation entered into a mineral recovery contract in 1974 that ...
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