Unnamed Cu occurrence (2), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA
A Cu occurrence located in sec. 24, T11N, R8W, MDM, 3.4 km (2.1 miles) NE of Castle Rock Springs, and 500 feet W of the Copper Prince Mine. NOTE: MRDS database stated accuracy for this locality is 1,000 meters. Operated by Mr. Ed Reynolds.
Mineralization is associated with rocks of the Franciscan Complex, unit 1 (Coast Ranges).
Workings include surface opening(s).
ReferencesAverill, Charles V. (1929), Redding field division, Lassen and Modoc, Napa, Lake, Glenn, Mendocino Counties: California Journal of Mines and Geology, California Division Mines (Report 25): 25(3): 341-342.
Eric, J.H. (1948), Copper in California, California Division of Mines Bulletin 144: 857.
USGS MRDS database (2005), loc. file ID #10211852 & 10030667.
Minerals Availability System (MAS) file ID #0060330103.
No entries listed.
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Locality Updated: Larson Exploration Prospect, Menominee Range, Florence Co., Wisconsin, USAFrom Bill Cordua, 19th Jun 2013 03:45:17