Mine detail: Big Four Placer

Previously called 'Bartlett'

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Location

Lat / long: 42.50399, -123.48644

Resource(M)

Primary: Gold
Tertiary: Platinum
Ore: Gold
Orebody form: STREAM SEDIMENT DEPOSITS

Production

Operation type: Unknown
Deposit type: Stream Placer
Production size: Small
Development status: Producer

Geology

Host type:Gravel
Tectonic:Klamath Mountains Accreted Terrane

References

MRDSM060783
DEP10109671
Reference{Deposit:: RAMP, LEN, AND BROOKS, H.C., 1969, PLATINUM GROUP METALS, IN MINERAL AND WATER RESOURCES OF OREGON: U.S. CONGRESS, 90TH, 2D SESSION, COMMITTEE ON INTERIOR AND INSULAR AFFAIRS, SENATE PRINTING, P. 170-171.}{Deposit:: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1952, OREGON METAL MINES HANDBOOK, SOUTHWESTERN OREGON--JOSEPHINE COUNTY (2D ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 14-C, V. 2, SEC. 1, P. 66-67.}{Deposit:: DILLER, J.S., 1914, MINERAL RESOURCES OF SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 546, P. 111-112.}{Deposit:: RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.}{Deposit:: PARKS, H.M., AND SWARTLEY, A.M., 1916, HANDBOOK OF THE MINING INDUSTRY OF OREGON: OREGON BUREAU OF MINES AND GEOLOGY, THE MINERAL RESOURCES OF OREGON, V. 2, NO.4, P. 36-37.}
ReporterJohnson, Maureen G., Ferns, Mark L. (Brooks, Howard C.), Peterson, Jocelyn A.