Du Frene prospect (Empire Mine; Pacific Mine), Amador Co., California, USA
Latitude: 38°20'30"N
Longitude: 120°52'7"W
A Mn prospect located in the SW¼ sec. 27, T6N, R10E, MDM.
References
Taliaferro, Nicholas Lloyd & A.J. Solari (1943a), Manganese deposits of the Sierra Nevada: their genesis and metamorphism: California Division Mines and Geology Bulletin 125: 327.
Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 102-103.
Carlson, D.W. & W.B. Clark (1954), Mines and Minerals of Amador County, California: California Journal of Mines and Geology: 50(1): 268, Pl 1.
Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 27-35.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 321.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 164, 410.
Mineral List
4 entries listed. 3 valid minerals.
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