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The Glidden Company deposit (Glidden Barytes Mine; Glidden deposit; Loftus deposit; Loftus Mine; Marion; Barite No. 1 Mine; Barite No. 2 Mine), Castle Crag, Klamath Mts, Shasta Co., California, USA

Baryte
The Glidden Company deposit, Castle Crag, Klamath Mts, Shasta Co., California, USA

Photo: Weinrich Minerals, Inc.
Latitude: 41°8'9"N
Longitude: 122°14'55"W
A former baryte mine located in secs. 18 & 19, T38N, R3W, MDM, 4.7 km (2.9 miles) SE of Castle Crag, on Girard Ridge near Tom Neal Creek and in the headwaters area of Fall Creek. MRDS database stated accuracy for this location is 500 meters.

Mineralization is a bedded baryte deposit (Deposit model Model code 212; USGS model code 31b; deposit model name: Bedded barite), hosted in slate and limestone of Devonian or Carboniferous age. The ore body is a bed. Local rocks include Devonian marine rocks, unit 2 (Eastern Klamath Mountains).

Workings include surface and underground openings.

Analytical data results: 88-96% BaSO4.

Mineral List

Baryte


1 entry listed. 1 valid mineral.

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References

Laizure, Clyde McK (1921), Redding field division: California Mining Bureau. Report 17: 515.

Logan, Clarence August (1926), El Dorado, Shasta and Trinity Counties: California Journal of Mines and Geology, California Mining Bureau. (Report 22): 22: 130.

Averill, C.V. (1939), Mineral resources of Shasta County: California Journal of Mines & Geology (Report 35): 35(2): 114-115.

Brobst, D.A. (1958), Barite Resources of the United States, USGS Bull. 1072-B: 108 (Table 10).

Davis, Fenelon Francis (1963), Highlights in California Mining, 1962. California Division Mines & Geology, Mineral Information Service: 16: 5.

Weber, F.H., Jr. (1963b), Barite in California: California Division Mines & Geology, Mineral Information Service: 16: 4.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 99.

Weber, F.H., Jr. (1966b), Mineral resources of California: Barite. California Division of Mines and Geology Bulletin: 191: 96-97.

Weber, F.H., Jr., and Matthews, R.A. (1967) Prospecting for barite in Shasta County. California Division of Mines and Geology Mineral Information Service: 20: 107-114.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 294.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10077526, 10140865, & 10262709.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060890080 & 0060890081.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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