Mine detail: Buffalo Mine

Previously called 'MonitorConstitution'

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Location

Lat / long:

44.86485, -118.40994

Resource(M)

Primary:	Silver, Gold, Copper, Lead, Zinc
Ore:	Chalcopyrite, Galena, Gold, Pyrargyrite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Calcite, Quartz
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1880-1964

Geology

Host rock:	Elkhorn Ridge Argillite;Bald Mountain Batholith
Host type:	Diorite,Argillite
Associated type:	Diorite
Structure:	Ne Trending Blue Mountains Uplift, E Trending Isoclinal Folds
Tectonic:	Geosynclinal
Alteration processes:	Selvage

References

MRDS	W002493
DEP	10069100
Reference	{Deposit:: KOCH, G.S., JR., 1959, LODE MINES OF THE CENTRAL PART OF THE GRANITE MINING DISTRICT, GRANT COUNTY, OREGON: ORE. DEPT. GEOL. MIN. INDUSTRIES BULL. 49, 49P.}{Deposit:: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1941, OREGON METAL MINES HANDBOOK; NORTHEASTERN OREGON-WEST HALF: BULL. 14-B, 157 P.}{Deposit:: HEWETT, D. F., 1931, ZONAL RELATIONS OF THE LODES OF THE SUMPTER QUADRANGLE: A.I.M.E. TRANSACTIONS 5: 305-346.}{Deposit:: BROOKS, H.C. AND OTHERS, 1982, MAP OF THE GEOLOGY ANA G3 82 01}{Deposit:: 1901 RECON LINDGREN}{Deposit:: 1914 RECON ORE, BU.MINES GEOL.: MIN RES. OF ORE. 1(8): 229 P.}{Deposit:: 1941 ORE. DEPT. GEOL. MIN. IND.: BULL. 14-B: 157 P.}{Deposit:: 1959 ORE. DEPT. GEOL. MIN. IND.: BULL. 49; 49 P.}{Production:: BROOKS, H. C., AND RAMP. L., 1968, GOLD AND SILVER IN OREGON, P. 78}
Reporter	Reeves, James R., Bradley, Robin (Walker, George W.), Gray, Jerry J.