The Blair Group is a mercury, barium-barite, and copper mine located in Harney county, Oregon.
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:
Commodity: Mercury, Barium-Barite, Copper
Lat, Long: 42.30361, -118.71306
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.
Blair Group MRDS details
Site Name
Primary: Blair Group
Secondary: Connor - Blair
Commodity
Primary: Mercury
Primary: Barium-Barite
Primary: Copper
Location
State: Oregon
County: Harney
District: Steens - Pueblo
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Rube Blair
Years: 1963 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1940
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Model Name: Epithermal quartz-alunite Au
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Minor Silicification
Rocks
Name: Andesite
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Name: Andesite
Role: Host
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: EIGHT ODGMI ANALYSES AVERAGED 4.5 LB/TON HG. RANGE WAS FROM NIL TO 14.7 LB/TON HG
Materials
Ore: Malachite
Ore: Cinnabar
Gangue: Opal
Gangue: Quartz
Gangue: Chalcedony
Comments
Comment (Workings): PROPERTY DEVELOPED BY TWO SHORT ADITS.
Comment (Location): LOCATED AT CENTER OF SECTION RANGE 32 3/4E
Comment (Geology): PROPERTY CONTAINS TWO SILICA-LIMONITE 'REEFS' WHICH ARE ALINED WITH THE LODES ON THE MOGUL TO THE SOUTHEAST
References
Reference (Deposit): BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.
Reference (Deposit): MERCURY IN OREGON, 1965, USBM IC 8252, TABLE 26, P. 329.
Reference (Deposit): FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000
Reference (Deposit): ROSS, C.P., 1942, QUICKSILVER DEPOSITS IN THE STEENS AND PUEBLO MOUNTAINS, SOUTHERN OREGON: USGS BULL. 931-J P. 227-258
Reference (Deposit): 5) WILLIAMS, H. AND COMPTON, R.R., 1953, QUICKSILVER DEPOSITS OF STE
Reference (Deposit): LANCASTER, H.K., 1941, BLAIR GROUP, OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, UNPUBLISHED FILE REPORT.
Reference (Deposit): 1941 RECON UNPUBLISHED FILE REPOR
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.
