Mine detail: Griggs Mine

Previously called ''

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Location

Lat / long: 42.43382, -110.77217

Resource(M)

Primary: Copper
Secondary: Gold, Zinc, Silver
Ore: Malachite
Orebody form: IRREGULAR
Discovery year: 1895

Production

Operation type: Surface-Underground
Production size: Small
Development status: Past Producer
First production started: 1915
Last production ended: 1920

Geology

Host rock:Nugget;Nugget
Host type:Sandstone
Structure:Northerly Trending Low Angle Absaroka Thrust Fault., North-Northwest Trending Anticline
Tectonic:Overthrust Belt
Alteration processes:Mineralization Is In Sandstone That Was Originally Red But Subsequently Was Altered To Gray, Brown, Black And Green

References

MRDSW032518
MAS560230111
DEP10080977
Reference{Deposit:: LOVE, J.D., AND ANTWEILER, J.C., 1973, COPPER, SILVER, AND ZINC IN THE NUGGET SANDSTONE, WESTERN WYOMING: WYO. GEOL. ASSOC. GUIDEBOOK; 25TH ANNUAL FIELD CONFERENCE, GREATER GREEN RIVER BASIN, p. 139-147.}{Deposit:: ARMSTRONG, F.C., AND ORIEL, S.S., 1965, TECTONIC DEVELOPMENT OF IDAHO-WYOMING THRUST BELT: AAPG BULL, VOL 49, NO 11}{Deposit:: LLOYD, E.J., 1970, THE HISTORY OF COKEVILLE, WYOMING, UTAH STATE UNIV. M.S. THESIS, LOGAN, UTAH, 160 P.}{Deposit:: Osterwald and others, 1966, Mineral Resources of Wyoming: Wyoming Geological Survey Bulletin 50, p. 56.}{Deposit:: 1970 RECON LOVE, J.D., SAMPLE}{Deposit:: Osterwald and others, 1959, Mineral Resources of Wyoming: Wyoming Geological Survey Bulletin 50, p. 52.}{Deposit:: Hausel, W.D., 1997, Copper, lead, zinc, molybdenum, and associated ore deposits of Wyoming: Wyoming Geological Survey Bulletin 70, p. 138-140.}{Deposit:: Hausel, W.D., 1989, The geology of Wyomin* predious metal lode and placer deposits: Geological Survey of Wyoming Bulletin 68, p. 133, 136.}{Production:: COKEUILLE REGISTER, AUGUST 14, 1915. COKEVILLE REGISTER, NOVEMBER 13, 1920.}
ReporterSuekawa, Harry S. (Barari, Rachel A.), Wilson, Anna B.