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Montmorillonite from San Diego County, California, USA

USA
 
  • California
    • San Diego County
      • Jacumba Mts
        • Jacumba Mining District
          • Jacumba
            • Tule Mountain (Mount Tule; Tulley Mountain)
Todd, V. R. et al. 1987. Mineral Resources of the Sawtooth Mountains and Carrizo Gorge/ Eastern McCain Valley Wilderness Study Areas, San Diego County, California. U.S. Geological Survey Bulletin 1711-B, 26 p., maps.
Todd, V. R. et al. 1987. Mineral Resources of the Sawtooth Mountains and Carrizo Gorge/ Eastern McCain Valley Wilderness Study Areas, San Diego County, California. U.S. Geological Survey Bulletin 1711-B, 26 p., maps.
      • Mesa Grande Mining District
        • Gem Hill
Carnahan, V. 1960. The Treasure of the Himalaya Mine. Gems & Minerals magazine, November, pages 21-25, 55-57.
      • Otay
Irelan, William, Jr. (1890a), Ninth annual report of the State Mineralogist: California Mining Bureau. Report 9, 352 pp.: 139; Hertlein, Leo George & Ulysses S. Grant, IV (1944), The geology and paleontology of the marine Pliocene of San Diego, California, part I, geology: San Diego Society of Natural History Memorandum, vol. 2, 72 pp.: 57; Kerr, Paul Francis & John Laurence Kulp (1949), Clay localities the United States: American Petroleum Institute Project 49 Preliminary Report No. 2 on clay mineral standards, Columbia Univ., 101 pp.: 51; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 273.
      • Pala Mining District
        • Pala
          • Chief Mountain
Jeffrey E. Patterson analysis
Osborn, P. (2007), Personal communication between Phil Osborn of Hemet and Scott L. Ritchie; Overview of work including adit development, petrology, lithology, bonanza pocket zone encountered, and gemstones recovered during the Oceanview mining operation. Feb.
            • Pala Chief Mine (Chief mine; MS 6452; Salmons mine)
Hapeman, Jeffrey R. (2011)
          • Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)
www.gemandmineral.com/stewartmine.html.
Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
San Diego Mining Company (1998)
San Diego Mining Company, 2001.
      • Ramona Mining District
        • Ramona
Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: pages 140-142.
Foord, Eugene E. et al (1989), Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. Mineralogical Record, 20(2): p. 106.
Foord, Eugene E. et al (1989), Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. Mineralogical Record, 20(2): p. 123.
San Diego Mining Company, 1995-1997.
      • Warner Springs Mining District
        • Chihuahua Valley
Ritchie, S. 2000. History of the Carmelita Gem Mine in the 20th Century. Southern California Gem Industries web publication: July.
 
Mineral and/or Locality  
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