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CONNOISSEUR'S Choice: Cuprite, Mashamba West Mine, Shaba, Democratic Republic of Congo, and Red Dome Mine, Queensland, Australia.
From:
Rocks & Minerals
| Date:
July 1, 2001| Author:
Cook, Robert B.
| COPYRIGHT 2001 Heldref Publications. 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.Copyright information
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Many mineral species of particular interest to the collector are derived from near-surface processes that redistribute selected elements during a series of reactions known collectively as supergene processes. The presence of dissolved oxygen in rain water and its control of mineral oxidation, particularly in sulfides and sulfosalts, as these waters percolate downward toward the water table have favorably affected the economics of many mineral deposits, especially those of copper. At...
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CONNOISSEUR'S Choice: Cuprite, Mashamba West Mine, Shaba, Democratic Republic of Congo, and Red Dome Mine, Queensland, Australia.
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