Carla

The Carla is a chromium mine located in Del Norte county, California at an elevation of 2,300 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: Carla  

State:  California

County:  Del Norte

Elevation: 2,300 Feet (701 Meters)

Commodity: Chromium

Lat, Long: 41.70694, -123.96000

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 Carla

Carla MRDS details

Site Name

Primary: Carla


Commodity

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


Location

State: California
County: Del Norte
District: Smith River 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.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: C. Stevens, J. Wilson
Years: 1946 -


Production

Year: 1944
Material type: ORE
Description: Ap_Grade: ^38-45% Cr2o3


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1944
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: UNKNOWN


Structure

Not available


Alterations

Not available


Rocks

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

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

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


Analytical Data

Analytical Data: IR=40, 48 PPB
Analytical Data: RH=3, 5 PPB. AVE CR2O3 IS 42%. CR:FE=2.2-2.8.
Analytical Data: RU=<100, 130 PPB
Analytical Data: PD=13, 1 PPB
Analytical Data: 2 PGE ANALYSES: PT=18, <10 PPB


Materials

Ore: Chromite
Gangue: Olivine


Comments

Comment (Deposit): LITTLE DESCRIPTIVE INFORMATION AVAILABLE

Comment (Location): IN SIX RIVERS NATIONAL FOREST. UTM LOCATION GIVEN IS FOR PGE SAMPLE SITE LOCATION. LAT/LONG GIVEN ARE FOR PROSPECT SHOWN ON TOPO SHEET; UTM COORDINATES 4617500N, 420100E


References

Reference (Deposit): O'BRIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY V. 48, NO. 4, P. 286.

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): WELLS, F.G., CATER, F.W., JR., AND RYNEARSON, G.A., 1946, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 1, CH. 1, P. 67, PL. 1


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