The Griggs Mine is a copper mine located in Lincoln county, Wyoming.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Griggs Mine MRDS details
Site Name
Primary: Griggs Mine
Secondary: Lake Alice District
Commodity
Primary: Copper
Secondary: Gold
Secondary: Zinc
Secondary: Silver
Location
State: Wyoming
County: Lincoln
District: Lake Alice District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: W. A. Mckinney
Production
Year: 1920
Time Period: 1914-1920
Material type: ORE CU
Description: Cp_Grade: ^0.175 Oz. Au, 79.60 Oz Ag, 33.60% Cu
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Year First Production: 1915
Year Last Production: 1920
Discovery Year: 1895
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: R
Description: Northerly Trending Low Angle Absaroka Thrust Fault.
Type: L
Description: North-Northwest Trending Anticline
Alterations
Alteration Type: L
Alteration Text: Mineralization Is In Sandstone That Was Originally Red But Subsequently Was Altered To Gray, Brown, Black And Green
Rocks
Not available
Analytical Data
Analytical Data: AVERAGED $18.00/TOn
Analytical Data: Ba between 500 and 1000 ppm in all 6 samples from Griggs mine (Love and Antweiler, 1973, p. 144), but barite never mentioned as a product from this mine.
Materials
Ore: Malachite
Comments
Comment (Location): BULL 50 GIVES SEC. 33. Newer topo maps (Porcupine Creek 7.5' topo, 1967; Fontenelle Reservoir 30'X60', 1982, in comparision with index maps in Love and Antweiler, 1973, p. 140) indicate section 7.
Comment (Development): LAST PRODUCTION APPROXIMATELY 1920. AN ATTEMPT WAS MADE DURING WORLD WAR II TO INITIATE OPERATIONS BUT FAILED. NO FURTHER ATTEMPTS WERE MADE AS OF 1970.
Comment (Geology): OIL STAINING; SOME AZURITE AND MALACHITE MINERALIZATION OCCURS IN A 6 INCH SILTSTONE PARTING BETWEEN SANDSTONES.
Comment (General): "This site is located on patented land completely surrounded by Forest Service lands. All surface openings have been backfilled and sealed; the propery is currently [1994] used as a summer cabin site." (Martin, 1994, p. 30)
References
Reference (Deposit): Martin, Clay M., 1994, Abandoned mine lands inventory of the Bridger-Teton National Forest, Wyoming: USBM unpublished report for US Forest Service (3-ring binder, 34 p. text, 28 2-page site reports, some with photos).
Reference (Deposit): 1970 RECON LOVE, J.D., SAMPLE
Reference (Deposit): Osterwald and others, 1966, Mineral Resources of Wyoming: Wyoming Geological Survey Bulletin 50, p. 56.
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.
Reference (Deposit): LLOYD, E.J., 1970, THE HISTORY OF COKEVILLE, WYOMING, UTAH STATE UNIV. M.S. THESIS, LOGAN, UTAH, 160 P.
Reference (Deposit): ARMSTRONG, F.C., AND ORIEL, S.S., 1965, TECTONIC DEVELOPMENT OF IDAHO-WYOMING THRUST BELT: AAPG BULL, VOL 49, NO 11
Reference (Deposit): Hausel, W.D., 1989, The geology of Wyoming's predious metal lode and placer deposits: Geological Survey of Wyoming Bulletin 68, p. 133, 136.
Reference (Deposit): Hausel, W.D., 1997, Copper, lead, zinc, molybdenum, and associated ore deposits of Wyoming: Wyoming Geological Survey Bulletin 70, p. 138-140.
Reference (Production): COKEUILLE REGISTER, AUGUST 14, 1915. COKEVILLE REGISTER, NOVEMBER 13, 1920.
Reference (Deposit): Osterwald and others, 1959, Mineral Resources of Wyoming: Wyoming Geological Survey Bulletin 50, p. 52.
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