Fisher

The Fisher is a mercury 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

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.

Site Name

Primary: Fisher
Secondary: Regal
Secondary: Sheephered
Secondary: Doan Group

Commodity

Primary: Mercury
Tertiary: Barium-Barite
Tertiary: Copper

Location

State: Oregon
County: Harney
District: Steens - Pueblo

Land Status

Not available

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: Steens Mountain Mining Co.
Years: 1963 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1937
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: Kaolinization, Silicification

Rocks

Name: Dacite
Role: Associated
Age Type: Host Rock
Age Young: Miocene

Name: Dacite
Role: Associated
Age Type: Host Rock Unit
Age Young: Miocene

Name: Dacite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Analytical Data

Not available

Materials

Ore: Cinnabar
Ore: Chalcopyrite
Ore: Malachite
Ore: Chrysocolla
Gangue: Chalcedony
Gangue: Opal
Gangue: Kaolinite

Comments

Comment (Geology): MASSIVE FLOWS OF ANDESITE, DACITE, AND DACITE TUFF ARE OVERLAIN BY MAFIC ANDESITE AND BASALT. ALL ARE CUT BY ZONES OF INTENSE ALTERATION

Comment (Production): PRODUCTION NOTED AS "A FEW POUNDS"

Comment (Workings): PRODUCTION NOTED AS A FEW POUNDS

Comment (Deposit): Discovery Year: LATE 1930'

References

Reference (Deposit): BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.

Reference (Deposit): BAILEY, E. H., USGS, PERSONAL FILES

Reference (Deposit): MERCURY IN OREGON, 1965, USBM IC 8252

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): 5) ROSS, C.P., 1942, QUICKSILVER DEPOSITS

Reference (Production): BROOKS, 1963

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.