A former Cu-Au occurrence/mine located in secs. 33, 34, 35 & 36, T29S, R45E, MDM, 4.9 km (3.0 miles) ENE of Copper City (site), 7.6 km (4.7 miles) WSW of Eagle Crags (summit) (coordinates of record) and 9.2 km (5.7 miles) E of Granite Mountain (coordinates of record), on military reservation land (China Lake Naval Weapons Center). MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in granite and limestone. Talcose veins occur near the contact of granite and limestone. There are 3 veins, 30 feet apart. The ore body hanging wall is granite and the footwall is limestone. Local rocks include Quaternary alluvium and marine deposits.

Workings include underground openings with an overall depth of 64.62 meters and comprised of many shafts, as much as 212 feet deep, and a crosscut on the 212 foot level.

Analytical data results: 17% Cu and $3.00 (period values) Au/ton.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Talc

1 valid mineral.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Granite

ⓘ Limestone

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	Oxygen
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Mg	Magnesium
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	Silicon
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂

Other Databases

Link to USGS MRDS:	10034060

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

USA

Sierra NevadaMountain Range

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References

(1908, September) The Copper Resources of California. Bulletin 50. California State Mining Bureaup.335

Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): tabulated list No. 38, p. 14.

U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060711249.

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

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