Mine detail: Campbell Magnetite Deposit Prospect

Previously called 'Last ChanceCampbell DepositSiegwein ClaimsBartonW.J. Bryan'

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Location

Lat / long:

44.55757, -117.01581

Resource(M)

Primary:	Iron
Tertiary:	Copper, Silver
Ore:	Chalcopyrite, Hematite, Magnetite
Gangue:	Limonite, Pyrite, Quartz
Orebody form:	PODS AND STRINGERS
Discovery year:	1897

Production

Operation type:	Surface
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Martin Bridge Formation-Marble
Host type:	Greenstone
Associated rock:	Columbia River Basalt;Granodiorite Or Granite;Seven Devils Group-Greenstone
Associated type:	Diorite,Greenstone
Structure:	High-Angle Faulting And Westward Tilting Of The Fault Blocks.
Tectonic:	Island Arc
Alteration processes:	Leaching Of Sulfides Gives Limonite - Filled Cavities

References

MRDS	W012978
MAS	160870065
DEP	10070223
Reference	{Deposit:: ASHER, R. R., 1964, MINERAL RESOURCES - IRON: IDAHO BUREAU OF MINES AND GEOLOGY SPECIAL REPORT NO. 1, P. 104 - 111.}{Deposit:: MACKIN, J. H., 1953, IRON - ORE DEPOSITS OF THE IRON MTN. DIST., U.S. GEOLOGICAL SURVEY BULL. 982 - E, P. 53 - 73}{Deposit:: BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1917, P. 98.}{Deposit:: MACKIN, J.H., 1947 , IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, WASHINGTON COUNTY, IDAHO: USGS OPEN-FILE REPT., 23 P.}{Deposit:: 5) SHANNON, E. V., 1926 , MINERALS OF IDAHO: US NATIONAL MUSEUM BULL. 131 , P. 196 .}{Deposit:: 1918 COMPILE 19TH ANN. REPT. MINING INDUSTRY}{Deposit:: 1926 COMPILE US NATL MUS BULL 131}{Deposit:: 1947 RECON MACKIN, J.H., OPEN-FILE REPT.}{Deposit:: 1953 GEOLMAP MACKIN, J.H., BULL. 982-E}{Deposit:: 1964 COMPILE IDAHO BUR MINES AND GEOLOGY SPEC REPT NO 1}
Reporter	Nakai, Terry L.; Miller, Pat, Winters, Dick