The Chollard Mine is a chromium mine located in Josephine county, Oregon at an elevation of 2,175 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: 2,175 Feet (663 Meters)
Commodity: Chromium
Lat, Long: 42.08639, -123.55250
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.
Chollard Mine MRDS details
Site Name
Primary: Chollard Mine
Secondary: Golconda
Commodity
Primary: Chromium
Location
State: Oregon
County: Josephine
District: Waldo
Land Status
Land ownership: BLM Administrative Area
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.
Administrative Organization: Siskiyou National Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1917
Material type: ORE
Description: Ap_Grade: ^45. % Cr2o3 (Conc)
Year: 1916
Material type: ORE
Description: Ap_Grade: ^45. % Cr2o3 (Conc)
Year: 1943
Material type: ORE
Description: Ap_Grade: ^39. % Cr2o3
Year: 1957
Material type: ORE
Description: Ap_Grade: ^46. % Cr2o3 (Conc.)
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENS, NARROW SEAMS
Structure
Not available
Alterations
Not available
Rocks
Name: Metavolcanic Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Analytical Data: PT GROUP LOOKED FOR, NOT FOUND
Analytical Data: MASSIVE
Analytical Data: MILL CONCENTRATES 47.8% CR2O3, 15.4% FE
Analytical Data: 5 ASSAYS - LOW GRADE DISSEMINATED ORE 24.7% & 27.0% CR2O3
Materials
Ore: Chromite
Comments
Comment (Workings): MOST ORE PRESUMABLY 10 TO 35% CR2O3; LESS THAN 50,000 TONS AVAILABLE IN 1940; NOT MUCH MINING SINCE; PROBLEMS WITH PRODUCTION STATISTICS 1952-1954 SEE GONCOLDA
Comment (Deposit): RECORD NUMBERS (M013293) AND (W017047) HAVE BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.
Comment (Production): MOST ORE PRESUMABLY 10 TO 35% CR2O3; LESS THAN 50,000 TONS AVAILABLE IN 1940; NOT MUCH MINING SINCE; PROBLEMS WITH PRODUCTION STATISTICS 1952-1954 SEE GONCOLDA
References
Reference (Deposit): THAYER, T. P., 1974, UNPUBL. DATA
Reference (Deposit): RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P
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.
