Opal Mine, Granite and North Granite Districts, Mineral Range, Beaver Co., Utah, USA
REF:Deposit:: EVERTS, M.L., 1979, UTAH GEOLOGICAL AND MINERAL SURVEY; ON-SITE INVESTIGATION.
Deposit:: UTAH GEOLOGICAL ASSOCIATION, 1973 GEOLOGY OF THE MILFORD AREA PUBLICATION NO. 3
Production:: EVERTS, M.L., 1979, GEOLOGIST.
Commodities (Major) - Gemstone
Development Status: Past Producer
Host Rock Unit: Banded Gneiss, Tailsman Quartzite
Structure: Basin & Range, North Trending Normal Fault
Tectonic Structure: Miogeosyncline
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