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HERO ID
7339403
Reference Type
Journal Article
Title
Supergene Alteration of Ore Deposits: From Nature to Humans
Author(s)
Dill, HG
Year
2015
Is Peer Reviewed?
Yes
Journal
Elements
ISSN:
1811-5209
EISSN:
1811-5217
Volume
11
Issue
5
Page Numbers
311-316
Web of Science Id
WOS:000363076900003
Abstract
Supergene minerals form under near-ambient conditions on the Earth's surface. Supergene mineralization is controlled by the parent rock composition, climatic conditions, geomorphological environment, and chemical compounds added during mineral processing. They appear in alteration zones called "orecretes." Bronze Age miners exploited these easily accessible high-grade soft ores for Fe, Cu, Pb, and Ag. Some supergene minerals can also grow in poorly ventilated mining galleries and shafts, coat metal mining artifacts and smelting residues, and form from disastrous blasts and fires in ancient mining settlements. Supergene deposits bridge the gap between humans and metal resources at the interface between rock, soil, air, water, and living organisms. These deposits provide essential clues to geological, environmental, and archeological studies.
Keywords
supergene alteration; critical zone; gossan; orecrete; Bronze Age; post-mining minerals; tailings; slags
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