Elkhorn

The Elkhorn is a manganese and iron mine located in Jefferson county, Washington.

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: Elkhorn  

State:  Washington

County:  Jefferson

Elevation:

Commodity: Manganese, Iron

Lat, Long: 47.73833, -122.99999

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 Elkhorn

Elkhorn MRDS details

Site Name

Primary: Elkhorn
Secondary: Karnes


Commodity

Primary: Manganese
Primary: Iron


Location

State: Washington
County: Jefferson


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: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Olympic Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Eocene

Name: Limestone
Role: Host
Age Type: Associated Rock
Age Young: Eocene


Analytical Data

Not available


Materials

Ore: Bementite
Gangue: Hematite


Comments

Comment (Deposit): THE AREA IS UNDERLAIN BY BASALT LAVA FLOWS AND INTERCALATED TUFF AND RED ARGILLACEOUS LIMESTONE; MUCH OF THE BASALT IS ALTERED. PILLOW BASALT IS EXPOSED IN PLACES. THE BASALTIC FLOWS GENERALLY TREND NORTH AND STAND NEARLY VERITCAL; LOCALLY, THEY ARE GREATLY DEFORMED AND FRACTURED. THREE RED LIMESTONE BEDS AND INTERCALATED BASALTS FORM THREE OR MORE DISTINCT PARALLEL RIDGES EXTENDING FROM THE DOSEWALLIPS RIVER NORTHWARD TO THE TOP OF THE DIVIDE. THREE LIMESTONE INTERBEDS IN BASALT CONTAIN LENSES OF MANGANESE ORE, SOME AS MUCH AS 25 FT. THICK. THE CRESCENT FORMATION, WHICH HOSTS MANGANESE MINERALIZATION ON THE OLYMPIC PENNINSULA, CONSISTS OF PALEOCENE? AND EOCENE PILLOW BASALTS COMPOSITIONALLY SIMILAR TO OCEAN RIDGE BASALTS. ASSOCIATED PELAGIC LIMESTONES WERE DEPOSITED IN DEEP WATER (SNAVELY, 1987, P. 306-308). ; INFO.SRC : 1 PUB LIT

Comment (Location): ABOUT 3.5 MILES NORTHEAST OF THE MT JUPITER LOOKOUT. THE ELKHORN GROUP OF CLAIMS IS ON THE SOUTH SLOPE OF MOUNT CONSTANCE. THE CLAIMS ARE BOUNDED BY BULL ELK CREEK ON THE WEST, MINER'S CREEK ON THE EAST, AND THE DOSEWALLIPS RIVER ON THE SOUTH. THE PROPERTY IS REACHED FROM BRINNON ON US HIGHWAY 101 BY FOLLOWING THE ROAD ALONG THE DOSEWALLIPS RIVER WESTERLY FOR ABOUT 13 MILES. THE MAIN WORKINGS RANGE IN ELEVATION FROM 1200 TO 4200 FT.

Comment (Development): ECON.COM: PRODUCED IN THE 1940'S (DATA FROM USGS, MRDS, 1990).


References

Reference (Deposit): WDGER OFR 90-18

Reference (Deposit): PARK, C.F., JR., 1942, MANGANESE RESOURCES OF THE OLYMPIC PENNINSULA, WASHINGTON--A PRELIMINARY REPORT: U.S. GEOLOGICAL SURVEY BULLETIN 931-R, P. 435-457, 2 PL.

Reference (Deposit): SNAVELY, P.D., JR., 1987, TERTIARY GEOLOGIC FRAMEWORK, NEOTECTONICS, AND PETROLIUM POTENTIAL OF THE OREGON-WASHINGTON CONTINENTAL MARGIN. IN SCHOLL, D.W.; GRANTZ, ARTHUR; VEDDER, J.G., GEOLOGY AND RESOURCES POTENTIAL OF THE CONTINENTAL MARGIN OF WESTERN NORTH AMERICA AND ADJACENT OCEAN BASINS--BEAUFORT SEA TO BAJA CALIFORNIA: CIRCUM-PACIFIC COUNCIL FOR ENERGY AND MINERAL RESOURCES EARTH SCIENCE SERIES , V. 6, P. 305-335.

Reference (Deposit): SOREM, R.K.; GUNN, D.W., 1967, MINERALOGY OF MANGANESE DEPOSITS, OLYMPIC PENNINSULA, WASHINGTON: ECONOMIC GEOLOGY, V. 62, NO. 1, P. 22-56.

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): MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OLYMPIC PENNINSULA, WASHINGTON: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, 82 P.

Reference (Deposit): GARRISON, R.E., 1973, SPACE-TIME RELATIONS OF PELAGIC LIMESTONES AND VOLCANIC ROCKS, OLYMPIC PENNINSULA, WASHINGTON: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 84, NO. 2, P. 583-594.


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