Copper World Extension

The Copper World Extension is a copper, silver, tungsten, zinc, iron, and gold mine located in Okanogan county, Washington at an elevation of 3,940 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

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: Copper World Extension
Secondary: Iron Mask
Secondary: Iron Master ?

Commodity

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

Location

State: Washington
County: Okanogan
District: Palmer Mtn

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

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

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Malachite
Ore: Gold
Ore: Sphalerite
Ore: Bornite
Gangue: Quartz
Gangue: Magnetite
Gangue: Pyrrhotite
Gangue: Chlorite
Gangue: Calcite
Gangue: Marcasite
Unknown: Pyrite

Comments

Comment (Geology): ORE IS EN ECHELON, TABULAR LENSES IN ALTERED ANDESITE OF THE PERMIAN - TRIASSIC PALMER MOUNTAIN GREENSTONE (PATTY, 1921, P. 241; RINEHART AND FOX, 1972, P. 84).

Comment (Deposit): A 300-FT. SHAFT WAS DRIVEN; CROSSCUTS ARE ON THE 100-, 200-, AND 300-FT. LEVELS (RINEHART AND FOX, 1972). ; INFO.SRC : 1 PUB LIT

Comment (Production): PRODUCED AN UNKNOWN AMOUNT OF ORE PRIOR TO 1911. PRODUCED 3486 TONS OF ORE IN 1918-1919, WHICH AVERAGED 3.147% CU, 0.42 OZ/TON AU (HUNTTING, 1956, P. 64).

References

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): MCINTYRE, A.W., 1907, COPPER DEPOSITS OF WASHINGTON: AMERICAN MINING CONGRESS, 9TH ANNUAL SESSION, REPORT OF PROCEEDINGS, P. 238-250.

Reference (Deposit): PATTY, E.N., 1921, THE METAL MINES OF WASHINGTON: WASHINGTON GEOLOGICAL SURVEY BULLETIN 23, 366 P.

Reference (Deposit): PATTY, E.N.; GLOVER, S.L., 1921, THE MINERAL RESOURCES OF WASHINGTON, WITH STATISTICS FOR 1919: WASHINGTON GEOLOGICAL SURVEY BULLETIN 21, 155 P., 1 PL.

Reference (Deposit): RINEHART, C.D.; FOX, K.F., JR., 1972, GEOLOGY AND MINERAL DEPOSITS OF THE LOOMIS QUADRANGLE, OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 64, 124 P., 3 PL.

Reference (Deposit): UMPLEBY, J.B., 1911, PART I.-- GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT; PART II. -- GEOLOGY AND ORE DEPOSITS OF THE OROVILLE-NIGHTHAWK MINING DISTRICT: WASHINGTON GEOLOGICAL SURVEY BULLETIN 5, 111 P.

Reference (Deposit): WDGER OF 90-18

Washington Gold

"Where to Find Gold in Washington" 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 Arizona. Read more: Where to Find Gold in Washington.