The Harrison Group is a gold, silver, and copper mine located in Grant county, Oregon at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Gold, Silver, Copper
Lat, Long: 44.6975, -118.52083
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.
Harrison Group MRDS details
Site Name
Primary: Harrison Group
Secondary: Windsor
Secondary: Psyche and Big Johnny
Commodity
Primary: Gold
Primary: Silver
Primary: Copper
Tertiary: Zinc
Tertiary: Chromium
Location
State: Oregon
County: Grant
District: Greenhorn
Land Status
Administrative Organization: Malheur Natioal Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: HIGH GRADE ORE, VALUES IN WINDSOR VEIN VARY FROM $5 TO $10 ( 1940 ) TWO SAMPLES FROM THE PSYCHE DUMP RAN 1.40 OZ/TON AU, 5.80 OZ/TON AG AND 0.64 OZ/TON AU, 3.90 OZ/TON AG RESPECTIVELY (ALLEN, 1948)
Materials
Ore: Chalcopyrite
Ore: Pyrite
Ore: Magnetite
Ore: Hematite
Ore: Chrysocolla
Gangue: Dolomite
Gangue: Calcite
Gangue: Quartz
Comments
Comment (Location): 16 UNPATENTED CLAIMS
Comment (Workings): DEVELOPED BY A 60-FOOT SHAFT AND 4 ADITS TOTALLING 3300 FEET. NO MILL RECORD. PSYCHE SAID TO HAVE PRODUCED $90,000 IN 1905.
Comment (Geology): GEOL.DESC: ORE OCCURS ALONG FAULT ZONE AS SMALL LENSES. ALSO SOME NARROW QUARTZ VEINS AND PORPHYRY DIKES. HIGH-GRADE ORE OCCURS IN SCATTERED SEAMS AND LENSES RARELY MORE THAN 8 INCHES THICK.
Comment (Production): NO MILL RECORD. PSYCHE SAID TO HAVE PRODUCED $90,000 IN 1905.
Comment (Deposit): SMALL KIDNEYS OF CHROMITE AND MAGNETITE ARE REPORTED FROM THE WINDSOR VEIN.
References
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941, ODGMI BULL. 14-B, P.40
Reference (Deposit): BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 113
Reference (Deposit): ALLEN, R.M., 1948, GEOLOGY AND MINERALIZATION OF THE MORNING MINE AND ADJACENT REGION, GRANT COUNTY, OREGON; ODGMI BULL. 39, P. 40
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.
