Mine detail: North Pole-Columbia Lode

Previously called 'AnaluluFrom Ne To Sw South PoleNorth PoleE & ETaber FractionColumbiaGolcondaMountain BelleAmazonBunker HillEureka & Excelsior'

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Location

Lat / long:

44.82485, -118.21688

Resource(M)

Primary:	Gold, Silver, Copper
Tertiary:	Arsenic, Antimony, Tellurium, Mercury
Ore:	Chalcopyrite, Pyrite, Sphalerite
Gangue:	Quartz
Orebody form:	TABULAR
Discovery year:	1887

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Elkhorn Ridge Argillite
Host type:	Greenstone,Argillite
Associated rock:	Bald Mountain Batholith
Associated type:	Diorite
Structure:	Blue Mountain Uplift Trends N 30 Deg E. Major Thrust Fault Trends East-West, Shear Zone
Tectonic:	Oceanic Sediments
Alteration processes:	Silicification

References

MRDS	W002492
DEP	10107273
Reference	{Deposit:: BROOKS, H. C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES BULL. 61, P. 59-62}{Deposit:: PARDEE, J. T., 1909, FAULTING AND VEIN STRUCTURE IN THE CRACKER CREEK GOLD DISTRICT, BAKER CO., OREGON: USGS BULL. 380, P. 85-93}{Deposit:: PARDEE, J. T., AND HEWETT, D. F., 1914, GEOLOGY AND MINERAL RESOURCES OF THE SUMPTER QUADRANGLE: OREGON BUREAU OF MINES AND GEOLOGY, MIN. RES. OF ORE. 1(8): 92}{Deposit:: LORAIN, S. H., 1938, GOLD MINING AND MILLING IN EASTERN OREGON: U.S.B.M. INFO. CIRC. 7015 & 5) LINDGREN, W., 1901, THE GOLD BELT OF THE BLUE MOUNTAINS OF EASTERN OREGON; USGS ANN. REPT. NO.}{Deposit:: 1909 PARDEE, J.T.; BULL. 380}{Deposit:: 1914 GEOLMAP ORE. BUREAU OF MINES AND GEOLOGY}{Deposit:: 1916 COMPILE ORE. BUREAU OF MINES AND GEOLOGY}{Deposit:: 1980 GEOLMAP ODGMI REFERENCE 8}
Reporter	Reeves, James R., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.