 | | Journal (article/letter/editorial) | | Temperatures and duration of crystallization within gem-bearing cavities of granitic pegmatites David London...Temperatures and duration of crystallization within gem-bearing cavities of granitic pegmatites, LITHOS(2020)...TEMPERATURES AND DURATION OF CRYSTALLIZATION WITHIN GEM-BEA RING CAVITIES OF GRANITIC PEGMATITES David London... University of Oklahoma, Norman, Oklahoma 73019 USA * Corresponding author. ABSTRACT of Crystallization...carbonates, and finally dense clay. The euhedral and gem-quality crystals for which many pegmatites are mined |  | Fisher, Jesse, Foord, Eugene E., Bricker, Garth A. (1998) The Geology, Mineralogy, and History of the Himalaya Mine, Mesa Grande, San Diego County, California. Rocks & Minerals, 73 (3) 156-180 doi:10.1080/00357529809603033 | Journal (article/letter/editorial) | | the ba a la j Mllle, Mesa kande, San Diego Eountg, Ealifiornia 7 Los Angeles County II ,J - r J--4...J--4 ‘*- \ Orange County f San Bernardino Coun -----. I--L-L--- \,-. 1 Cahuilla Mt. X x Thomas... JESSE FISHEK 380 Pennsylvania Ave. San Francisco, California 94107 EUGENE E. FOOKD M.S.905, U.S. Geological...BRICKER 410 East Elder Fallbrook, California 92028 T he Himalaya mine has been the largest producer of...years ago, and it ranks among the most productive gem pegmatites in the world. Virtually all major mineral |  | | Report (issue) | | Archive in 2012 with funding from University of California, Davis Libraries http://www.archive.org/det...MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California Division of Mines...Stewart COUNTY REPORT California Division of Mines Ferry Building, LIBRARY UNIVERSITY OF CALIFORNIA DAVIS...DAVIS San 3 and Geology Francisco, 1963 ^ OF STATE OF CALIFORNIA EDMUND G. BROWN, Governor J?...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT |  | | Journal (article/letter/editorial) | | Inclusion Studies of GEM-Bearing Granitic Pegmatite-Aplite Dikes, San Diego Co., California Bruce E. Taylor...Geology, Stanford University, Stanford, California 94305, USA aAbteilung Geochemie, Mineralogisches Institut...pegmatite-aplite dikes in southern California have been known for gem-quality minerals and as a commercial...zone, nearly to 565 ~ C. Subsolidus formation of gem-bearing pockets took place over a relatively narrow...rocks (6D .... = - 9 0 to - 1 3 0 ) in the Mesa Grande district crystallized in the presence of, or exchanged |  | | Journal (article/letter/editorial) | | Pala Chief and Elizabeth R composite dikes, California Adriana Heimann 1 & Jason A. Yonts 1 & Michael...Elizabeth R layered pegmatite-aplite dikes, Pala District, California, and the significance for felsic melt evolution...27858, USA 2 Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20013, USA incompatible...Gahnite . Aplite . California . Elizabeth R . Pala Chief . Zoning . Evolution . Pala District Introduction...Soares et al. 2007; Beurlen et al. 2014), as well as gem-quality minerals (e.g., Soares et al. 2007; Beurlen |  | | Book | | GEOLOGY OF THE ELSINORE FAULT ZONE SAN ·DIEGO REGION • , . San Diego Association of Geologists South... GEOLOGY OF THE ELSINORE FAULT ZONE SAN DIEGO REGION San Diego Association of Geologists South Coast...Elsinore Fault Zone San Diego Region Geology of the Elsinore Fault Zone. San Diego Region Copyright ©...© 2003 by the San Diego Association of Geologists (SDAG) and South Coast Geological Society (SCGS) Individual...and inquiries to: SDAG P.O. Box 1911 26 San Diego, California 92 159- 11 26 w. w. w.sandiegogeologists |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino... Number Five Articles Gem and rare-element pegmatites of southern California . . . . . . . . . . . ... History of the Tourmaline Queen mine, San Diego County, California . . . . . . . . . . . . . . . . ...discovered at the Tourmaline Queen mine, San Diego County, California, by Ed Swoboda and Bill Larson. The...web site at www.wmtucson.com DANBURITE – Aurora Mine, Charcas, SanLuis Potosi, Mexico When in Tucson |  | London, D., Morgan, G. B., Paul, K. A., Guttery, B. M. (2012) Internal Evolution of Miarolitic Granitic Pegmatites at the Little Three Mine, Ramona, California, USA. The Canadian Mineralogist, 50 (4) 1025-1054 doi:10.3749/canmin.50.4.1025 | Journal (article/letter/editorial) | | GRANITIC PEGMATITES AT THE LITTLE THREE MINE, RAMONA, CALIFORNIA, USA David LONDON§, George B. MORGAN VI,...Oklahoma 73019, USA Abstract Miarolitic granitic pegmatites at the Little Three mine property near Ramona...Ramona, San Diego County, California, USA, possess a bulk composition that closely matches that of a hydrous...history, field diffusion, Little Three mine, Ramona, California. Introduction The coarse grain-size and...dike section from the Little Three mine, Ramona, California, USA, to derive the modal mineralogy and |  | | Journal (issue) | | THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN GEM MOLOGICAL ASSOCIATION OF GREAT BRITAIN SAINT DUNSTAN'S...of precious stones is a source of worry for the gem jeweller. A n actual case is described here, with...other than those of the usual commercial scale for gem diamonds, which includes colourless stones to those...N G There is no point whatsoever in irradiating gem diamonds of good original colour as this would probably...for a gemstone variety although by no means all gem materials show definite absorption bands. There are |  | | Journal (issue) | | of the Little Three mine pegmatites, Ramona district, San Diego County, California ..................... B. Spaulding R. A. Mason & R. F. Martin , California locality index ...........................................129 by A. R. Kampf & the Southern California Chapter of the Friends of Mineralogy, Locality...Ramona in e P e g m a t it e s , istrc San Diego D ,California Eugene E. Foord U. S. Geological Survey...Louis B. Spaulding, Jr. P. O. Box 807, Ramona, California 92065 Roger A. M ason Dept, of Earth Sciences |  | Webber, Karen L., Simmons, William B., Falster, Alexander U., Foord, Eugene E. (1999) Cooling rates and crystallization dynamics of shallow level pegmatite-aplite dikes, San Diego County, California. American Mineralogist, 84 (5) 708-717 doi:10.2138/am-1999-5-602 | Journal (article/letter/editorial) | | shallow level pegmatite-aplite dikes, San Diego County, California KAREN L. WEBBER,1,* WILLIAM B. SIMMONS...Pegmatites of the Pala and Mesa Grande Pegmatite Districts, San Diego County, California are typically thin,...performed for four dikes in San Diego County including the 1 m thick Himalaya dike, the 2 m thick Mission...days for the Mission dike, and ~5 days for the Himalaya dike. Based on these calculations, growth rates...large pegmatitic minerals such as the 10 cm long Himalaya hanging wall tourmaline crystals may have been |  | | Journal (article/letter/editorial) | | F)(BOt] from the Little Three mine, near Ramona, San Diego County, California, disciosed that the minerai...Hambergite from a second California localitl., the Himalaya mine near Mesa Grande, contains 0.2 per cent...Anjanabanoana, Madagascar, and the Little Three mine, California, follow: Madagascar-BeO 53.6, 8z0136.0, HrO...orthorhombic,a:9.76+O.Ol, b:12.23+O-01' c:4.43*0.01 A. California-BeO 529,82Ot36.6, HrO 6.7,F 6 0, O=F 2.5, sum...recentlY in California and Czechoslovakia. A chemical analysis of hambergite from the Little Three mine, San |  | | Report (issue) | | STATE OF CALIFORNIA EARL WARREN. Governor DEPARTMENT OF NATURAL RESOURCES WARREN T. HANNUM, Director...BUILDING. SAN FRANCISCO OLAF P. 11 JENKINS. Chief SPECIAL REPORT 7-A 5AN FRANCISCO JUNE GEM- AND LITHIUM-BEARING...LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA By RICHARD H. JAHNS and LAUREN...University of California, Davis Libraries http://archive.org/details/gemlithiumbearin07jahn GEM- AND LITHIUM-BEARING...LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA! By Richard H. Jahns* and Lauren |  | | Journal (article/letter/editorial) | | t0"*(OH)o.1, from the Himalaya mine in the Mesa Grande pegmatite district, California, has been refined with...Si occupancy. This ordered orthoclase occurs in gem pockets in a microcline-bearingpegmatite. The association...from an overgrowthwhich occurs on perthite individuals from the Himalaya 500 NEATRON DIFFRACTION OF... locality20) in the Mesa Grande pegmatitedistrict, San Diego County, California. As in other granite...dikesof SanDiego County,long pendantsof microM I C R O C L I N EP E R T H I T E cline perthite having quafiz |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...Five Tourrmline-1 the first special issue in the Gem Minerals Series Introduction Notes from the Editor....................365 by C. A. Francis Pakistan Gem pegmatites of the Shingus-Dusso area, Gilgit, Pakistan............413 by A. M. Bassett California Recent work at the Himalaya m in e ..........................lepidolite, mined recently at the Himalaya mine, Pala, California. William Larson collection; photo by |  | | Journal (issue) | | ber-D ecem ber 1977 ISSUE! TourmalineGolconda mine, Minas Gerais, Brazil SHOWS Sul/urPerticara, Romagna...U E S t AVETltlB 0)A C L PyromorphiteWheatley mine, Hours: Wed-Sat. 10-5 Sunday 12-5 [evenings by...in e ra l fro m th e B e n ito ite G em M in e , San B e n ito C o u n ty, C a lif o r n ia ............lf Pabst, Jam es R. H in th o rn e Artinite fro m San B e n ito C o u n ty , C a lifo r n ia ............ike S y s te m , M e sa G ra n d e D is tric t, San D ie g o C o u n ty , C a lifo r n ia .......... |  | | Journal (issue) | | . . . . . . . . . 19 by J. A. Scovil The Machow mine, Tamobrzeg, Poland . . . . . . . . . . . .. .. ...after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural...altered either by nature, by construction, by further mining, or by subsequent collecting. If there is the slightest...Post has been appointed Curator of the National Gem and Mineral Collection of the National Museum of...to be donated in his name to the California Academy of Sciences in San Francisco. Friends and admirers |  | | Journal (article/letter/editorial) | | There, it is aggressive toward the microcline perthite, which is replaced by cleavelanditic albite +...in their own juices’. Plagioclase released from perthite is stripped of its small 166 the canadian mineralogist...canadian mineralogist Madagascar. The Anjanabonoina gem-tourmaline deposit is composed of a series of aplite–pegmatite...altered marble, and contains amazonitic microcline perthite, pyrochlore-group minerals and fersmite, zircon...fluorite follows the replacement of microcline perthite by albite. In their investigation of the Oregon |  | | Book (volume) | | colorful and fabulous tourmalines and kunzites of California and Maine, the sparkling sapphires of Montana...contains all the basic information about the exciting gem resources of our continent. In careful, accurate...gemologists will find the latest and most accurate gem-identification data under each species. Finally,...unique and valuable reference by every collector, gem cutter, miner, geologist, mineralogist, jeweler,...up to the end of 1974. John Sinkankas San Diego, California July, 1975 JOHWSTUPAW.N19,901 Gene |  | | Journal (article/letter/editorial) | | three thin granitic pegmatite dikes in southern California are derived from feldspar solvus thermometry...surface. Keywords Pegmatite · Geothermometry · Perthite · Plagioclase · Rubidium · Cesium · Fractionation...Norman, OK 73019, USA 2 Drillinginfo, 440 Louisiana St., Suite 400, Houston, TX 77002, USA characteristic...for three thin pegmatite dikes from southern California. Assessments of chemical fractionation trends...Swamp dike (Fig. 1) at the Little Three mine, Ramona, California, but additional details are presented |  | | Journal (article/letter/editorial) | | Three layered pegmatite-aplite dike, Ramona District, California Received: 24 March 1998 / Accepted: 10...dikes form. The Little Three dike near Ramona, California, is representative of such zoned bodies in this...100 East Boyd Street, SEC 810 Norman, OK 73019, USA; Fax: (405) 325-3140; e-mail: gmorgan@ou.edu Editorial...Three pegmatite-aplite dike from the Ramona district, California, feldspar compositions and thermal modeling...aplite of the George Ashley Block pegmatite (Mesa Grande District, CA) accumulated by crystal settling. Consistent |  | | Book (volume) | | The Bowers Museum of Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter C. Keller...Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California; brownish yellow octagonal calcite (21.30 ct)...ct), Ramona, California; deep red cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless...Kern County, California; octagonal step cut violetish pink kunzite (26.61 ct), Pala, California. NECKLACE...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 |  | | Journal (article/letter/editorial) | | Mexico, U.S.A.; and the Crestmore pegmatite, California, U.S.A. The results of more than 350 isotopic...address: Department of Geology, University of California, Davis, CA 95616, U.S.A. 0167-6695/83/$03.00...to 2.0%0 between pegmatite dikes in San Diego County, California, U.S.A., can also be explained by exchange...layered footwall aplitic zones within the Southern California pegmatites record some aspects of the thermal...studied in this paper, and the location of the San Diego County pegmatites (B.E. Taylor et aI., 1979). 129 |  | | Journal (article/letter/editorial) | | phosphatemineralsat the Stewart Pegmatite, Pala District,lSan Diego County, California J,c,MssE. Stncr,svr exo GonooN...pegmatitesin the Pala pegmatitedistrict, San Diego County, California. At the Stewart pegmatite, lithiophilite...a century the granitic pegmatitesof southern California have been a well-known source of gemstones and...1951; Sinkankas,1957; Foord, 1976').ln addition to gem material, some of thesepegmatites contain interesting...GemologicalInstitute of America,1660StewartStreet,SantaMonica, California 904O4. 000H04x/85/0304-{395$02.00 generalsusceptibilityto |  | | Book | | ^ '“ P r . . . I West Orange SOUTH SAN FRANCISCO PUBLIC LIBRARY 9048 00992838 7 257989 R q549...q549 PEMBERTON, H.E MINERALS OF CALIFORNIA P 2995 IpSl q 49 f 07. 257889 ^ pe B T 5 w! balJ E...org/details/mineralsofcalifoOOpemb MINERALS OF CALIFORNIA MINERALS OF CALIFORNIA H. Earl r i L ] Pemberton ...H. Earl, 1907Minerals of California. An updating of: Minerals of California: 1866-1966 / by Joseph Murdoch...Includes index. 1. Mineralogy -California. 2. Mines and mineral resources- California. I. Murdoch, Joseph, 1890Minerals |
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