Mine detail: Columbia

Previously called 'Greenback Consolidated'

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Location

Lat / long: 42.64704, -123.31448

Resource(M)

Primary: Gold, Platinum, Chromium
Ore: Gold, Platinum
Gangue: Zircon
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

MRDSM061243
DEP10109683
Reference{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. 98.}{Deposit:: DAY, D.T., AND RICHARDS, R.H., 1906, USEFUL MINERALS IN THE BLACK SANDS OF THE PACIFIC SLOPE: U.S. GEOLOGICAL SURVEY MINERAL RESOURCES OF THE UNITED STATES, CALENDAR YEAR 1905, P. 1212-1213.}{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:: BROOKS, H.C., AND RAMP, LEN, 1968, GOLD AND SILVER IN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 61, P. 218.}
ReporterJohnson, Maureen G., Ferns, Mark L. (Brooks, Howard C.), Peterson, Jocelyn A.