Clay minerals from


USA
California Los Angeles County Lakewood ⓘ Torrance Brick Company - Torr Plant No. 1 Mine	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4) USGS MRDS database.
Long Beach ⓘ R. Loynes Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 657
Pico Rivera ⓘ Gladding McBean-Pico pit	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 113, p. 654
Pomona ⓘ Pomona Brick Company prospect	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 516-517, 659
Santa Fe Springs ⓘ Atlas Sewer Pipe Company prospect	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 512-513, 651.
ⓘ Pacific Clay Products Company Mine (East pit; Plant No. 6)	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 514-515, 658
Whittier Arroyo Pescadero Park ⓘ W. H. Russell property	USGS MRDS database (2005). California Journal of Mines and Geology (1937), map of mines and oil fields of Los Angeles County (Report 33): 33: Map No. 52
Orange County Beeks Place ⓘ Sierra Mine (Gladding-McBean Mine)	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 45
ⓘ Unnamed Clay prospect (3)	USGS MRDS database (2005), loc. file ID #10236735. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 46
Coto de Caza ⓘ Crow Canyon pit	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 61
Fountain Valley ⓘ Los Angeles Pressed Brick Company Mine	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 66
Gypsum Canyon ⓘ Gypsum Canyon pit	USGS MRDS database (2005). California Division of Mines and Geology Active Mines Database (1991)
ⓘ Irvine Shale Mine	USGS MRDS database (2005).
ⓘ Marine Mine (Gladding-McBean Mine)	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 44.
Huntington Beach ⓘ La Bolsa Tile Company Mine	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 65-66
Olive ⓘ Garber Brick & Tile Company Mine	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 65
Portola Hills ⓘ Serrano Mine	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 54
ⓘ Unnamed Sand & Clay Mine (2)	USGS MRDS database (2005), loc. file ID #10116170. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197 Map No. 56
Rancho Santa Margarita ⓘ Bell Canyon prospect	Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 64.
ⓘ Cal China pit	California Division of Mines and Geology Basin Planning area 9 (1972).
ⓘ California Nonmetalics	USGS MRDS database (2005).
ⓘ Liston Clay pit	USGS MRDS database (2005). California Division of Mines and Geology Basin Planning area 9 (1972)
ⓘ W. A. Schoeppe Clay Company	USGS MRDS database (2005). California Division of Mines and Geology Basin Planning area 9 (1972)
San Clemente ⓘ Old North Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: map No. 69.
ⓘ Rancho Mission Viejo Quarry	USGS MRDS database (2005).
ⓘ Unnamed Clay prospect (4)	USGS MRDS database (2005), loc. file ID #10237458.
ⓘ Vitrefax Company Middle Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: No. 70.
ⓘ Vitrefrax Company Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map. No. 68.
ⓘ Vitrefrax Company South Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 71.
San Juan Capistrano ⓘ Gladdin-McBean Company North Mine	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 67
ⓘ Mission Viejo Sand plant (Mission Viejo Clay pit)	USGS MRDS database (2005). California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103
ⓘ Unnamed clay pit	USGS MRDS database (2005), loc. file ID #10135007.
Silverado ⓘ Unnamed Clay prospect (2)	USGS MRDS database (2005), loc. file ID #10189157. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 51
Trabuco Canyon [town] ⓘ Hicks Canyon prospect (Joplin Ranch Mine)	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 64
ⓘ Unnamed Sand & Clay Mine (1)	USGS MRDS database (2005), loc. file ID #10115711. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 58
Yorba Linda ⓘ Claymont Mines	Cleveland, G.B. (1957), Clay: California Division Mines & Geology Bulletin 176: 138.
Riverside County Cahuilla Mining District Little Cahuilla Mountain ⓘ Audrey Lynn Mine (Audrey Lynne Mine; Jumping Joe claims)	Osborn, P. 2006. Personal communication between Philip Osborn, Hemet CA. (discoverer/owner) and Scott L. Ritchie, SDMC 07/25.
ⓘ Sly Rick prospect (Green Centipede claim)	San Diego Mining Company (1998), Sly Rick lode field analysis and valuable mineral discovery, Jan.
Red Mountain ⓘ Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine)	San Diego Mining Company (1998), Anita mine field analysis, Jan.
Tripp Flats ⓘ Petra Mine	Rynerson, F. J. 1967. Exploring and Mining Gems & Gold in the West Ch. 17, p. 118-120: Naturegraph Publishers, Inc., Happy Camp, California.
San Jacinto Mountains Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring) ⓘ Unnamed Corundum occurrences [2]	Gochenour, K. L. 2000. The Rediscovery of Corundum Crystals from the San Jacinto Mountains, Riverside County, California Lithosphere bulletin, May/June. Fallbrook Gem and Mineral Society, Inc., Fallbrook, California.
Temescal Valley Alberhill ⓘ Alberhill Clay pits (Alberhill Coal & Clay Company deposit)	Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Engel, R., T.E. Gay, and B.L. Rogers (1959) Mineral deposits of Lake Elsinore quadrangle, California California Division Mines and Geology Bulletin 146: 77-95 Van Nostrand Reinholt Press: 438.
Whitewater (White Water) ⓘ Desert Gold claims	Alfredo Petrov, field observations, 14-06-2009
San Bernardino County Bear Valley District Furnace Spring ⓘ Gold Point Mine (Golden Chariot group; Gold Button Mine; Murray; Henshaw)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lucerne Valley Limestone District Lucerne Valley ⓘ Kaiser Cement Lucerne Valley (Lucerne Valley Quarry and Mill)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
San Diego County Bonsall ⓘ Schier Clay deposit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 21, p. 66.
Encinitas ⓘ Gladding McBean & Company Mine	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 11, p. 64.
Escondido ⓘ Morris Clay deposit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 17, p. 65.
ⓘ Mesa Grande Mining District	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, December. Chapter 1, pages 61-110.
Gem Hill ⓘ Himalaya Mine	Carnahan, V. 1960. The Treasure of the Himalaya Mine. Gems & Minerals magazine, November, pages 21-25, 55-57.
Olivenhain ⓘ Robert Charles and Thomas Hewitt claims	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 20, p. 66.
Pala Mining District Pala Chief Mountain Elizabeth R. Mine (Hazel W. claim) ⓘ Oceanview Mine (Oceanview adits; new Oceanview workings)	Stephenson, J. (2007), Pala District Opens Wide: Oceanview Mine Strikes It Big. Mineral News: Pala International, Fallbrook, CA. December.
Tourmaline Queen Mountain (Pala Mtn; Queen Mtn) ⓘ Ed Fletcher Jr. Mine	Schaller, W. T. 1919. Gems & Precious Stones. Mineral Resources U.S., 1916, Part II - Nonmetals. Department of Interior, US Geological Survey, Government Printing Office, Washington p. 897.
ⓘ Gem Star Mine	Jahns, Richard Henry & Lauren A. Wright (1951), Gem and lithium bearing pegmatites of the Pala district, San Diego County, California: California Division Mines Special Report 7-A: 57-59.
ⓘ Tourmaline King Mine	San Diego Mining Company (1998)
ⓘ Tourmaline Queen Mine	San Diego Mining Company, 2000.
Ramona Mining District Ramona ⓘ Coyote diggings	San Diego Mining Company (1996), Field investigations of the Sunshine Valley area undocumented pegmatites and gemstone prospects. Ramona, San Diego County, California.
ⓘ Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine)	San Diego Mining Company, 1995-1997.
Rancho Santa Fe ⓘ Dorothy and Pearl claims (Pearl and Dorothy Ann claims; Pearl and Dorothy claims)	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 8, p. 63.
ⓘ Huchting Ranch deposit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 12, p. 64.
Rincon Mining District Rincon Rincon Mountain ⓘ Mack Mine (John Mac mine; Mac mine; San Luis Rey claim)	Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
Warner Springs Mining District Chihuahua Valley ⓘ Carmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine)	San Diego Mining Company, 1996.

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