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
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Latitude & Longitude (WGS84):
40° 1' 36'' North , 122° 39' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Paskenta | 112 (2011) | 18.2km |
Rancho Tehama Reserve | 1,485 (2011) | 21.5km |
Flournoy | 101 (2011) | 21.9km |
Red Bluff | 14,131 (2017) | 39.3km |
Richfield | 306 (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data are found in: Stinson, Melvin Clarence (1975) California Division of Mining and Geology Mineral Property Report (unpublished).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 ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | ⓘ Chromite | Fe2+Cr23+O4 |
Cr | Chromium | |
Cr | ⓘ Chromite | Fe2+Cr23+O4 |
Fe | Iron | |
Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
Link to USGS MRDS: | 10043460 |
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Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Franciscan DomainDomain
- Great Valley BasinBasin
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