The Eight Dollar Mountain is a chromium mine located in Josephine county, Oregon at an elevation of 2,598 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 2,598 Feet (792 Meters)
Commodity: Chromium
Lat, Long: 42.23778, -123.66250
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Eight Dollar Mountain MRDS details
Site Name
Primary: Eight Dollar Mountain
Secondary: Eight Dollar No. 1
Secondary: Nickel-Chrome Group
Commodity
Primary: Chromium
Tertiary: Nickel
Tertiary: Cobalt
Tertiary: Iron
Location
State: Oregon
County: Josephine
District: Illinois River
Land Status
Land ownership: Federal
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1942
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Form: SEAMS, BANDS, VEINLIKE
Structure
Type: L
Description: High-Angle, West Dipping Fault, And High-Angle, Northeast Trending Fault
Alterations
Not available
Rocks
Name: Diabase
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic
Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Name: Diabase
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic
Name: Diabase
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic
Analytical Data
Analytical Data: MASSIVE CHROMITE WITH SOME DUNITE -43.30% CR2O3, 10.60% FE NORTHERN LATERITE DEPOSIT HAS INDICATED AVERAGE GRADE OF 1.18 NI, 0.08 % CO, 24.6 % FE, AND 1.17 % CR.
Analytical Data: DISSEMINATED CHROMITE IN DUNITE: 22.81% CR2O3, 9.09% FE
Materials
Ore: Chromite
Ore: Garnierite
Comments
Comment (Deposit): APPEAR TO BE REMNANTS OF OLD LANDSLIDE OR SLUMP. ESTIMATED AVERAGE UNWEATHERED ROCK CONTENT IN SOIL OF NORTHERN AREA IS 35 % AND IN SOUTHERN AREA 45 % BY VOLUME.
Comment (Commodity): CLAIMED THAT ULTRABASIC ROCKS CONTAIN NICKEL & TIN
Comment (Location): S 1/2 NE 1/4 LAND STATUS OF THE MTN. INVOLVES PUBLIC LAND UNDER MANAGEMENT OF U.S. FOREST SERVICE AND BLM, STATE OF OREGON, JOSEPHINE COUNTY AND PRIVATE OWNERSHIP.
Comment (Workings): DEVELOPED BY SEVERAL OPEN CUTS
Comment (Deposit): RECORDS ( M013268 ) AND ( M013510 ) MERGED WITH THIS RECORD AND DELETED FROM OREGON FILE.
References
Reference (Deposit): 1957 DIREXPL NEW DELHI MINES, LTD.
Reference (Deposit): 1978 GEOLMAP ODGMI-LEN RAMP
Reference (Deposit): THAYER, T. P., 1974, UNPUBL. DATA
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1952 , ODGMI BULL. 14-C, V. 2 , SEC. 1 , P. 137 .
Reference (Deposit): RAMP, LEN, 1978 , INVESTIGATIONS OF NICKEL IN OREGON: ODGMI MISC. PAPER NO. 20 , P. 29 - 31
Reference (Deposit): 5) RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, P.37
Reference (Deposit): 1953 GEOLMAP CLIMAX MOLYBDENUM COMPANY
Reference (Deposit): RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.
Oregon Gold
"Where to Find Gold in Oregon" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Oregon. Read more: Where to Find Gold in Oregon.
