Latitude: 33°22'40"N
Longitude: 117°3'42"W
Located near the center of the NE4SW4 Sec. 23 T9S R2W SBM, about 1.25 miles northeast of Pala, the workings are situated low at the southeastern base of Tourmaline Queen Mountain. The principal development was a shallow cut made in the extreme southern exposure of the Douglass pegmatite dike.
History:
In 1914, Frederick Merrill reported that the American Lithia and Chemical Company owned a half interest in the Douglass claim, with the remaining interest held by T. A. Blakeley, of San Bernardino.
In 1951, Richard H. Jahns listed the principal output as gem and specimen quality tourmaline and quartz. In 1958, ownership of the mine was considered undetermined by F. H. Weber, while noting that the area was located on patented non-mining land. The private property is encompassed by lands managed for the benefit of the Pala Band of Mission Indians by the Bureau of Indian Affairs (BIA).
References
Merrill, F. J. H. (1914), Geology and Mineral Resources of San Diego and Imperial Counties: Gems, Lithia Minerals. California State Mining Bureau, San Francisco, Cal. California State Printing Office. Chapter 1, pages 61-78.
Jahns, R. H. and Wright, L. A. (1951), Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: p. 14, 72 pp.
Weber, F. H. (1963), Geology and mineral resources of San Diego County, California. California Division of Mines and Geology, County Report 3: p. 109.
Mineral List
13 entries listed. 9 valid minerals.
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