Twin Pine

The Twin Pine is a gold, silver, copper, zinc, and iron mine located in Okanogan county, Washington at an elevation of 2,549 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

Name: Twin Pine  

State:  Washington

County:  Okanogan

Elevation: 2,549 Feet (777 Meters)

Commodity: Gold, Silver, Copper, Zinc, Iron

Lat, Long: 48.20833, -119.06028

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.


Satelite image of the Twin Pine

Twin Pine MRDS details

Site Name

Primary: Twin Pine


Commodity

Primary: Gold
Primary: Silver
Primary: Copper
Primary: Zinc
Primary: Iron


Location

State: Washington
County: Okanogan


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Late Paleozoic Sediments Were Deposited Along An Active Continental Margin.


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Paleocene

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Paleocene


Analytical Data

Not available


Materials

Ore: Malachite
Ore: Scheelite
Ore: Hematite
Ore: Molybdenite
Ore: Bornite
Ore: Chalcopyrite
Ore: Magnetite
Ore: Chalcocite
Ore: Sphalerite
Gangue: Fluorite
Gangue: Garnet
Gangue: Epidote
Gangue: Calcite
Gangue: Actinolite
Gangue: Quartz


Comments

Comment (Geology): ARGILLITE AND GREENSTONE OF PROBABLE LATE PALEOZOIC AGE ARE INTRUDED BY DIKES OF THE PORPHYRITIC GRANODIORITE OF MANILIA CREEK (PARDEE, 1918; GULICK AND KOROSEC, 1990, GEOL. MAP).

Comment (Production): REPORTED TO HAVE PRODUCED, BUT THE AMOUNT IS UNKNOWN (HUNTTING, 1956, P. 366).


References

Reference (Deposit): GULICK, C.W.; KOROSEC, M.A., COMPILERS, 1990, GEOLOGIC MAP OF THE OMAK 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-12, 52 P., 1 PL.

Reference (Deposit): HOLDER, R.W.; HOLDER, G.A.M., 1988, THE COLVILLE BATHOLITH - TERTIARY PLUTONISM IN NORTHEAST WASHINGTON ASSOCIATED WITH GRABEN AND CORE COMPLEX (GNEISS DOME) FORMATION: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 100, NO. 12, P. 1971-1980.

Reference (Deposit): DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.

Reference (Deposit): HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.

Reference (Deposit): PARDEE, J.T., 1918, GEOLOGY AND MINERAL DEPOSITS OF THE COLVILLE INDIAN RESERVATION, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 677, 186 P., 1 PL.


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