| References: | Turner, Henry Ward (1896), Further contributions to the geology of the Sierra Nevada: USGS, 17th. Annual Report, part 1: 679; Logan, Clarence August (1934), Mother Lode Gold Belt of California: California Division Mines Bulletin 108, 221 pp.: 189; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 76, 321; Rocks & Minerals 82 (2007): 402-407. |