Shady Cove

The Shady Cove is a chromium mine located in Josephine county, Oregon at an elevation of 4,039 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: Shady Cove  

State:  Oregon

County:  Josephine

Elevation: 4,039 Feet (1,231 Meters)

Commodity: Chromium

Lat, Long: 42.45806, -123.72472

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 Shady Cove

Shady Cove MRDS details

Site Name

Primary: Shady Cove
Secondary: Part of Sordy Group


Commodity

Primary: Chromium
Tertiary: Iridium
Tertiary: Platinum
Tertiary: Palladium
Tertiary: Ruthenium
Tertiary: Rhodium


Location

State: Oregon
County: Josephine
District: Chrome Ridge District


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: Siskiyou National Forest


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Tulare, George
Years: 1958 -


Production

Year: 1958
Time Period: 1951-1958
Material type: TOTAL
Description: Cp_Grade: ^50.34% Cr2o3 (Weighted Average Grade)
Year: 1958
Time Period: 1956-1958
Material type: ORE
Description: Cp_Grade: ^50% Cr2o3, 2.8 Cr:Fe3
Year: 1953
Time Period: 1951-1953
Material type: ORE
Description: Cp_Grade: ^51% Cr2o3


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains


Mineral Deposit Model

Model Name: Podiform chromite (minor)


Orebody

Form: LENS, LINEAR ZONES, BANDED, DISSEMINATED


Structure

Not available


Alterations

Not available


Rocks

Name: Peridotite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Name: Peridotite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic


Analytical Data

Analytical Data: RH=N(5)-19.
Analytical Data: RU=<100 PPB (2 NOT ANALYZED)
Analytical Data: IR=30 PPB (2 NOT ANALYZED)
Analytical Data: PD=<4-3 PPB
Analytical Data: CONCENTRATES 52.60% CR2O3, 14.28% FE. 3 PGE ANALYSES: PT=N(10)-20
Analytical Data: 4 ASSAYS: MASSIVE ORE 45.31% CR2O3, 14.52% FE, AND 45.73% CR2O3
Analytical Data: ORE FROM ASHLAND MILL 39.40% CR2O3, 12.83% FE, 11.64% SIO2


Materials

Ore: Chromite
Gangue: Talc


Comments

Comment (Location): IN A HOLLOW ON THE EAST SIDE OF CHROME RIDGE. UTM GIVEN IS FOR PGE SAMPLE SITE LCOATION. LAT/LONG GIVEN ARE FOR MINE SYMBOL NEAR CENTER NE/4 SEC. 11; UTM FOR THIS IS 4700670N, 440400E.

Comment (Production): ORE WAS FRIABLE (49% CR2O3, 12% FE, 5% SIO2), SOME HAD TO BE CONCENTRATED (52.7% CR203, 13.1% FE, 2.45% SIO2)

Comment (Deposit): OFFSET BY FAULTS, COMPLEX STRUCTURE OF FOLDS

Comment (Workings): 40 FT INCLINED SHAFT IN LARGE OPEN CUT AREA. OTHER CUTS AND SHAFTS

Comment (Deposit): SEE ALSO: MRDS M060523.

Comment (Geology): PERIDOTITE IS BLOCKY AND HAS VARIED AMOUNTS OF SERPENTINE


References

Reference (Deposit): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1952, OREGON METAL MINES HANDBOOK, SOUTHWESTERN OREGON--JOSEPHINE COUNTY (2D ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 14-C, V. 2, SEC. 1, P. 145-146.

Reference (Deposit): PAGE, N.J, JOHNSON, M.G., HAFFTY, JOSEPH, AND RAMP, LEN, 1975, OCCURRENCE OF PLATINUM GROUP METALS IN ULTRAMAFIC ROCKS OF THE MEDFORD-COOS BAY 2 DEGREE QUANDRANGLE, SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-694, SCALE 1:250,000.

Reference (Deposit): THAYER, T.P., 1974, U.S. GEOLOGICAL SURVEY, UNPUB. DATA

Reference (Deposit): RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.

Reference (Deposit): CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.

Reference (Deposit): RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 77-79.


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