Black Bear No. 1 & 2

The Black Bear No. 1 & 2 is a chromium mine located in Josephine county, Oregon at an elevation of 2,700 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: Black Bear No. 1 & 2  

State:  Oregon

County:  Josephine

Elevation: 2,700 Feet (823 Meters)

Commodity: Chromium

Lat, Long: 42.01694, -123.81028

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 Black Bear No. 1 & 2

Black Bear No. 1 & 2 MRDS details

Site Name

Primary: Black Bear No. 1 & 2
Secondary: Black Bear Chrome


Commodity

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


Location

State: Oregon
County: Josephine
District: Waldo Area


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

Not available


Ownership

Owner Name: Myrtle Creek Mining Co.
Years: 1961 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
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: DISSEMINATED


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: RH=16 PPB.
Analytical Data: RU=200 PPB
Analytical Data: IR=20 PPB
Analytical Data: PD=<4 PPB
Analytical Data: 1 PGE ANALYSIS: PT=<10 PPB


Materials

Ore: Chromite
Gangue: Olivine


Comments

Comment (Workings): SEVERAL LARGE BULLDOZER CUTS

Comment (Geology): COUNTRY ROCK HAS BEEN SERPENTINIZED

Comment (Location): UNSURVEYED. UTM GIVEN IS FOR PGE SAMPLE SITE LOCATION. LAT/LONG GIVEN ARE FOR PROSPECT SYMBOLS SHOWN ON TOPO MAP AT SHARP TURN IN TRAIL; UTM FOR THIS IS 4651700N, 432980E.

Comment (Deposit): SEVERAL BANDS OF DISSEMINATED CHROMITE LESS THAN 4 IN. WIDE. ODGMI'S MILOC FILE INDICATES PRESENCE OF MASSIVE ORE AS WELL.


References

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 QUADRANGLES, SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-694, SCALE 1:250,000.

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

Reference (Deposit): RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 157.

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.


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