Methow Mine

The Methow Mine is a gold mine located in Okanogan county, Washington at an elevation of 1,499 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: Methow Mine

State:  Washington

County:  Okanogan

Elevation: 1,499 Feet (457 Meters)

Commodity: Gold

Lat, Long: 48.10694, -120.01833

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 Methow Mine

Methow Mine MRDS details

Site Name

Primary: Methow Mine
Secondary: New London
Secondary: Homestake
Secondary: Homestake-Long Adit
Secondary: Mineralite
Secondary: Roosevelt
Secondary: Tungstic
Secondary: Milwaukee


Commodity

Primary: Gold
Tertiary: Copper
Tertiary: Tungsten
Tertiary: Silver
Tertiary: Molybdenum


Location

State: Washington
County: Okanogan
District: Squaw Creek District; Methow Area


Land Status

Not available


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Methow Mining And Milling Co.
Home Office: Seattle, Wa.
Years: 1946 - 1973


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Year First Production: 1940
Year Last Production: 1941
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Model Name: Polymetallic veins


Orebody

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)

Form: PODS (SULFIDES), POCKETS AND STRINGERS (SCHEELITE)


Structure

Type: L
Description: Reverse Faults, Crosscutting Dikes


Alterations

Not available


Rocks

Name: Mafic Intrusive Rock
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic

Name: Mafic Intrusive Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic


Analytical Data

Analytical Data: USUALLY LESS THAN 0.25 % SCHEELITE.
Analytical Data: AVG. 0.44 OZ/TON AU, 0.8 OZ/TON AG, 1 % CU, TRACE W


Materials

Ore: Scheelite
Ore: Pyrite
Ore: Chalcopyrite
Gangue: Quartz


Comments

Comment (Deposit): MINERALIZED QUARTZ VEINS 3 IN.-15 FT WIDE. NEW LONDON VEIN: NARROW MINERALIZED QUARTZ VEIN ALONG FOOTWALL OF A NARROW BASIC DIKE (N60E, 55NW); HOMESTAKE VEIN: WIDE MINERALIZED QUARTZ VEIN; HOMESTAKE-LONG ADIT VEIN: 3 FT WIDE QUARTZ VEIN; MINERALITE VEIN: 2-4 FT QUARTZ VEIN; ROOSEVELT VEIN: 2.5-3 FT QUARTZ VEIN WITH PODFS OF SULFIDES IN VEIN WALLS, SCHEELITE IN POCKETS AND STRINGERS; MILWAUKEE VEIN: SCHEELITE IN FOOTWALL QUARTZ

Comment (Production): $40000 IN AU.

Comment (Location): NEW LONDON VEIN: NORTHEAST SLOPE HUNTER MTN (NW/4 SEC. 12); HOMESTAKE VEIN: CREST OF LARGE SPUR HALFWAY DOWN EAST SIDE HUNTER MTN; HOMESTAKE-LONG ADIT: EAST OF HOMESTAKE VEIN; MINERALITE VEIN: SE/4 SEC. 13 ABOUT 100 FT ABOVE HWY; ROOSEVELT VEIN: NE/4 SEC 8 ON EAST SIDE OF RIVER; TUNGSTIC VEIN: 1400 FT NORTH OF UPPER ROOSEVELT ADIT; MILWAUKEE VEIN: SE/4 SEC. 7 ABOUT 100 FT ABOVE RIVER.

Comment (Workings): NEW LONDON VEIN: LARGE OPEN CUT, 2 UNDERGROUND LEVELS. MAIN ADIT IS 350 FT LONG WITH STOPES BOTH ABOVE AND BELOW. 75 FT WINZE CONNECTS THIS LEVEL WITH LOWER LEVEL WHERE A DRIFT, WITH SOME STOPING, HAS BEEN DRIVEN FOR 100 FT ALONG ORE BODY.; HOMESTAKE VEIN: 50 FT SHAFT WITH 30 FT DRIFT AT BOTTOM FOLLOWING VEIN NORTHWARD.; HOMESTAKE-LONG ADIT VEIN: ADIT DRIVEN WESTWARD REPORTEDLY FOR 850 FT ON NEARLY VERTICAL VEIN.; MINERALITE VEIN: SEVERAL SMALL OPEN CUTS; ROOSEVELT VEIN: 2 ADITS DRIVEN EASTWARD. 700 FT LONG LOWER ADIT IS ABOUT 1700 FT EAST OF RIVER AND ABOUT 200 FT ABOVE IT. 140 FT LONG UPPER ADIT IS ABOUT 200 FT HIGHER; TUNGSTIC VEIN: NO WORKINGS; MILWAUKEE VEIN: 125 FT ADIT DRIVEN EASTWARD ON VEIN.

Comment (Geology): NARROW INCLINED DIKE ALONG NEW LONDON VEIN IS CUT BY 3-4 FT WIDE VERTICAL BASIC DIKE (N60E). SOUTHWARD (UPPER) PART OF INCLINED DIKE HAS BEEN FAULTED SEVERAL FT UPWARD ALONG VERTICAL DIKE RELATIVE TO LOWER PART. ORE BODY IS IN THE PART OF THE VERTICAL DIKE BETWEEN FAULTED PARTS OF THE INCLINED DIKE AND HAS SAME MINERAL COMPOSITION AS NARROW VEIN. ORE BODY IS CUT BY SEVERAL REVERSE FAULTS (ABOUT N75W, 55SW). EACH FAULT DISPLACES UPPER PART OF ORE BODY AS MUCH AS 10 FT TO THE NE.

Comment (Deposit): 4 CLAIMS ON EAST SIDE OF HUNTER MTN ON WEST SIDE OF METHOW RIVER AND AT LEAST 3 CLAIMS EAST OF RIVER. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT


References

Reference (Deposit): BARKSDALE, J.D., 1975, GEOLOGY OF THE METHOW VALLEY, OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 68, P. 8-9, PL. 1.

Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 144, 147, 345-346.

Reference (Deposit): DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 233.

Reference (Deposit): BUNNING, B.B., 1990, GEOLOGIC MAP OF THE EAST HALF OF THE TWISP 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-9, SCALE 1:100,000.

Reference (Production): WASH. DMG BULL 37, P. 144


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