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Mill Gulch Mine, North Elder Creek group (Joyce Mine; Hill Mine; Noble Electric Steel Company Mine; SW Hill Mine; Elder Creek Mine), Tehama County, California, USAi
Regional Level Types
Mill Gulch MineMine
North Elder Creek group (Joyce Mine; Hill Mine; Noble Electric Steel Company Mine; SW Hill Mine; Elder Creek Mine)- not defined -
Tehama CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
40° 1' 36'' North , 122° 39' 11'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Paskenta112 (2011)18.2km
Rancho Tehama Reserve1,485 (2011)21.5km
Flournoy101 (2011)21.9km
Red Bluff14,131 (2017)39.3km
Richfield306 (2011)41.0km
Mindat Locality ID:
96006
Long-form identifier:
mindat:1:2:96006:0
GUID (UUID V4):
c780c587-ece7-4ac1-95fc-4b1081bb03fd


A former Cr mine located in sec. 16, T25N, R7W, MDM, 2.8 km (9,300 feet) NW of Copple Place, along the North Fork Elder Creek. Discovered in 1886. Produced 1928-1955. Operated by the Tehama Consolidated Chrome Co. (1946). MRDS database accuracy for this location is not stated.

Mineralization is hosted in rocks of the Knoxville Formation (dunite). Associated rocks include diorite. The ore body is lenticular, strikes N35W, dips moderately NE at a thickness of 9.75 meters, width of 22.86 meters, and a length of 213.36 meters. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains).

Workings include surface and underground openings comprised of at least 4 tunnels and numerous small pits and trenches (1940/s).

Production data are found in: Stinson, Melvin Clarence (1975) California Division of Mining and Geology Mineral Property Report (unpublished).

Reserve/resource data are found in: Rynearson, Garn Arthur (1946): 208-209.

Reserves and resources: In-situ (1944): Total resources: 27,935,000 metric tons of ore at a grade of 10 weight percent Cr2O3.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Chromite
Formula: Fe2+Cr3+2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4

List of minerals for each chemical element

OOxygen
O ChromiteFe2+Cr23+O4
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4

Other Databases

Link to USGS MRDS:10043460

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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