Continental

The Continental is a gold and silver mine located in Grant 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: Continental

Commodity

Primary: Gold
Primary: Silver
Tertiary: Lead
Tertiary: Zinc
Tertiary: Arsenic

Location

State: Oregon
County: Grant
District: Granite

Land Status

Administrative Organization: Wallowa-Whitman National Forest

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
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

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Early Triassic

Analytical Data

Analytical Data: 0.008 % PB
Analytical Data: 0.002 % CU
Analytical Data: 0.25 OZ/TON AG
Analytical Data: SIX DUMP SAMPLES TAKEN BY YOUNG (1979) HAVE AN ARITHMATIC AVERAGE OF 0.08 OZ/TON AU
Analytical Data: 0.01 % ZN AND 0.23 % AS

Materials

Ore: Pyrite
Ore: Galena
Ore: Sphalerite
Gangue: Quartz

Comments

Comment (Location): ABOUT 8 MILES BY ROAD NORTHEAST OF GRANITE.

Comment (Production): ABOUT $50,000 SAID TO HAVE BEEN PRODUCED FROM HIGH-GRADE ORE ABOUT 1915

Comment (Workings): DEVELOPED BY 4 SHORT ADITS AND SEVERAL CUTS TOTALLING ABOUT 900 FEET. ABOUT $50,000 SAID TO HAVE BEEN PRODUCED FROM HIGH-GRADE ORE ABOUT 1915

Comment (Geology): MICA SCHIST IS BELIEVED TO BE CONTACT-METAMORPHOSED ARGILLITE. ; GEOL.DESC: COUNTRY ROCK DERIVED FROM THERMAL ALTERATION OF ARGILLITE. PEGMATITES NUMEROUS. STREAK OF GOUGE BETWEEN VEIN AND HANGING WALL.

References

Reference (Deposit): BROOKS, H. C., AND RAMP, L., 1968 , GOLD AND SILVER IN OREGON, ODGMI, BULL. 61 , P. 78 .

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL. 14 - B, P. 46 .

Reference (Deposit): YOUNG, J.S., 1979, PARAGENESIS AND GEOCHEMISTRY OF THE GRANITE GOLD DISTRICT, GRANT COUNTY, OREGON; COLORADO STATE UNIV. MS THESIS

Reference (Deposit): KOCH, G.S., 1959, LODE MINES OF THE CENTRAL PART OF THE GRANITE MINING DISTRICT, GRANT COUNTY, OREGON; ODGMI BULL. 49, P.27

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.