 | | 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) | | Fluorescence | New Finds at the Tourmaline King Mine, Pala, California, USA | A New Amber Imitation: Amber-Epoxy...Cambridge, Massachusetts, USA Edward Boehm RareSource, Chattanooga, Tennessee, USA Maggie Campbell Pedersen...Emmett Crystal Chemistry, Brush Prairie, Washington, USA Emmanuel Fritsch University of Nantes, France Alan...Mary L. Johnson Mary Johnson Consulting, San Diego, California, USA Stefanos Karampelas Laboratoire Français...Shigley Gemological Institute of America, Carlsbad, California Christopher P. Smith American Gemological Laboratories |  | | Journal (article/letter/editorial) | | field carry columbite-(Fe), columbite-(Mn) and tantalite-(Mn) with low Ti and Mg contents. The structural...pegmatite field. Limited concurrent fractionation of Mn from Fe and Ta from Nb observed in the Brunswick...(stability field of topaz). However, the extensive Fe–Mn fractionation preceding moderate to strong enrichment...pegmatites, minerals of the columbite group, (Fe,Mn)(Nb,Ta) 2O6, have long been recognized as economic...paragenetic variations of CGM at the field or district scale. In this study, which is part of an extensive |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer...left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp photo...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead... . . . . . . . . .89 by W. E. Wilson The Palomo mine, Huancavelica Department, Peru . . . . . . . . ...White Ca-Mg-Fe-rich rhodonite from the Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil . ....BaCa2(CO3)2F2, a new mineral species from the Kirovskii mine, Khibiny, Kola Peninsula, Russia . . . . . . . ...crystal cluster, 3.5 cm, from the Mashamba West mine, atanga, Republic of the Congo. Rob Lavinsky (The |  | | Journal (issue) | | Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………..21 DOLGOPOLOVA, A.,...Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual para...evolutions of primary and secondary (metasomatic) tourmaline from elbaite-subtype pegmatites Pikárec and Rečice:..., RODA-ROBLES, E., VILLASECA, C., SIMMONS, W. Fe-Mn-(Mg) distribution in primary phosphates and silicates...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA |  | Bradley, Dwight, Shea, Erin, Buchwaldt, Robert, Bowring, Sam, Benowitz, Jeff, O'Sullivan, Paul, McCauley, Andrew (2016) Geochronology and Tectonic Context of Lithium-Cesium-Tantalum Pegmatites In the Appalachians. The Canadian Mineralogist, 54 (4) 945-969 doi:10.3749/canmin.1600035 | Journal (article/letter/editorial) | | Morefield, Virginia, at ca. 253 Ma; and Hurricane Mountain, New Hampshire, which cross-cutting relations...aureoles are sources of gemstones such as watermelon tourmaline, the spodumene variety kunzite, and the beryl...Mesozoic igneous rocks are recognized. The White Mountain igneous province consists of semicircular, mainly...summarized in Figure 4. Black Mountain LCT pegmatite, Maine The Black Mountain occurrence is part of a cluster...Migmatite Domain of Solar & Tomascak (2009). Mountain zircon separate (11Dw301a) owing to metamictization |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...16129; Andrea Voss 16406; Jacob Walker 16413; Stewart Huckaby 16590; Wayne Shoemaker 16600; Chris Dykstra...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years... 52002 SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...16129; Andrea Voss 16406; Jacob Walker 16413; Stewart Huckaby 16590; Wayne Shoemaker 16600; Chris Dykstra...museum-quality Tourmalines, including the 2nd largest Sapo Mine “shaving brush” and an exceptional Elbaite on Feldspar...CALEDONITE Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA Named by the Romans for the area |  | | Book | | PhD, President, Bowers Museum, Santa Ana, California, USA and Dr Demetrius Pohl, PhD (Stanford), former...geology), American Museum of Natural History, New York, USA. CONTENTS Foreword 6 Preface 7 Introduction 8 ...(Taita), hessonite (Taita), aquamarine and yellow tourmaline The importance (Taita), malaya (Samburu), chrome...interesting material (for example, the gem-quality tourmaline that can be found in Rwanda). Literature on the...sapphire corundum; orange spessartine garnets; green tourmaline; red garnet (pink ruby corundum crystal 3.6 cm) |  | | Book (edition) | | (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia). Fabio Bellatreccia...(Italy), T.S. Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada)...Henderson. Jr. (USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave! M. Kartashov...Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria)...Republic). Per Nystcn (Sweden), David O'Hanlcy (USA). Filippo Olmi (deccased) (ltaly). Werner H. Paar |  | Zhang, Zeyang, Jiang, Yuhang, Niu, Hecai, Qu, Pan (2021) Fluid inclusion and stable isotope constraints on the source and evolution of ore-forming fluids in the Bailongshan pegmatitic Li-Rb deposit, Xinjiang, western China. Lithos, 380. 105824pp. doi:10.1016/j.lithos.2020.105824 | Journal (article/letter/editorial) | | 26% of global Li resources e.g., Bessemer City, USA; Greenbushes, Australia; Bikita, Zimbabwe (Kesler...evolution (London, 1986; Redden and Norton, 1990; Stewart, 1978). Granitic pegmatites usually contain a large...(2020) xxx 46–165 m have been documented in the mining area, many of which reach ore grade (Wang et al...ore body is located in the western part of the mining area and strikes WNW–ESE. The surface of the mineralised...ore body is located in the central part of the mining area and strikes WNW–ESE. The surface of this mineralised |  | | Journal (article/letter/editorial) | | December 2013 Micas, feldspars and columbite–tantalite minerals from the zoned granitic lepidolite-subtype...thermometry records a decrease in temperature. Columbite-(Mn) shows a compositional trend from the outer intermediate...an undercooled melt. They are associated with tantalite, and Ta precipitation may have been caused by...lithium micas, albite, K-feldspar, columbite–tantalite minerals, gahnite, electron microprobe, pegmatite...presents the study of micas, feldspars and columbite–tantalite minerals to provide information on their geochemical |  | | Journal (article/letter/editorial) | | by microlite, of tantalite-(Mn) by microlite and (later) fersmite, and of columbite-(Mn) by fersmite. Chromium-bearing...silicates such as bavenite, bertrandite and bityite. Tourmaline crystals vary from schorl–dravite to Fe-rich...fersmite, emerald beryl, schorl–dravite, columbite, tantalite, Vigezzo Valley, Western Alps, Italy. Sommaire... de la tantalite-(Mn) par le microlite et (éventuellement) la fersmite, et de la columbite(Mn) par la...bavénite, bertrandite et bityite. Les cristaux de tourmaline varient de schorl–dravite à dravite ferrifère |  | | Journal (article/letter/editorial) | | spodumene, triphylite,eassiterite, eolumbite-tantalite, poilucite, tracesof sulfosalts, andmultigenerational...andmultigenerational sequences of amblygonite-montebrasite, tourmaline, A1 to Li,A1micasandapatite. Besides extensive...7.5-2.5,Cs = 0.18-1.2wt %), andeolumbite-tantalite (Mn/(Mn+ Fe) at. = 0.42-0.99,Ta/(Ta+ Nb) at. = 0.22-0...onthegeochemical gradients withinsuchpegmatite "white"micas,tourmaline, garnet,andothers(e.g.,Solodov, available Subhorizontal...requiredfor access fromthe of the batholithic Taneo mine site. areof thesameageastheTancoandSilvedeaf bodies(2640 |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | S. Geological Survey (Emeritus), Farmington, ME, USA The SpringerBriefs in World Mineral Deposits book...Neo-Archean ages at *2625 Ma. A closure of the Tanco Mine for safety reasons and an imminent depletion of...and Colin Morgan for getting access to the Bikita mining facility and their support during the fieldwork...Limited) for permissions to enter and sample the mine site at Cattlin Creek. Peter Stockman, Michael Herbert.... . . . . . . . . 2.3.2 The Wodgina Pegmatite District in the Pilbara Craton References . . . . . . |  | | Book (edition) | | HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Elsevier...OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...brownish grey; 12.00 Internal Twinning Reflect. Tantalite-(Fe) Melanovanadite yellow to yes orange near...Ilmenorutile Powellite Davidite(Ce, La, Y) Tapiolite-(Mn) Sphalerite Wurtzite Groutite Wolframite Thorianite... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre |  | | Journal (article/letter/editorial) | | barren pegmatites. The Li+ accompanied with Fe, Mg and Mn substitute for Al3+ at the octahedral site in muscovite...Brl, beryl; CGM, columbite-group minerals; Tur, tourmaline; Grt, garnet; Bi, biotite. Minerals 2022, 12...Brl, beryl; CGM, columbite-group minerals; Tur, tourmaline; Grt, garnet; Bi, biotite. The samples KMNG-1...Brl, beryl; CGM, columbite-group minerals; Tur, tourmaline; Grt, garnet. Photos g and k are from [72]. ...pyrope (Mg-Kα), diopside (Si-Kα; Ca-Kα), bustamite (Mn-Kα), rutile (Ti-Kα), K-feldspar (K-Kα), crocoite |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered with the Copyright...made in the USA. All other copyright questions, including photocopying outside of the USA, should be referred...J ■ I p r e s e n t l i m i t of 1 underground mining ■ ■ 1 1 •H CO CO cd •H cd \ i 4-1 •H c ...+j//+V+\ Henderson^*/-\ El Teniente K\ ^ΐ&^" 4km tourmaline f breccia pipes Chile Fig. 27-4. + + + Porphyry...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best |  | Liu, Chen, Wang, Ru-Cheng, Wu, Fu-Yuan, Xie, Lei, Liu, Xiao-Chi, Li, Xing-Kui, Yang, Lei, Li, Xue-Jiao (2020) Spodumene pegmatites from the Pusila pluton in the higher Himalaya, South Tibet: Lithium mineralization in a highly fractionated leucogranite batholith. Lithos, 358. 105421 doi:10.1016/j.lithos.2020.105421 | Journal (article/letter/editorial) | | associated with minerals such as beryl, columbite–tantalite, and cassiterite, which are found in the albite...2006). This collision e- produced the Himalayan mountain range, which is geologically divided into the...divided into two- mica (biotite and muscovite), tourmaline, and garnet subtypes according to the presence...f leucogranites, which contain garnet and/or tourmaline to varying extents (Guillot and Le Fort, 1995;...by alternating dark and light layers that are tourmaline- and albite-rich, respectively (Fig. 2d). Notably |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered w i t h the...made in the USA. A l l other copyright questions, including photocopying outside of the USA, should be...u n d e r g r o u n d 1 of QJ · · u , Ό mining 1 1 IL··I _ l ~ U C > cd rH cd 3 1 "1...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...outlined as xenoliths, nor linear as the schlieren. Tourmaline and cordierite nodules tend to be the most common |  | Ballouard, Christophe, Elburg, Marlina A., Tappe, Sebastian, Reinke, Christian, Ueckermann, Henriette, Doggart, Shane (2020) Magmatic-hydrothermal evolution of rare metal pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Ore Geology Reviews, 116. 103252 doi:10.1016/j.oregeorev.2019.103252 | Journal (article/letter/editorial) | | proposed (e.g. Norton, 1973; Zasedatelev, 1974, 1977; Stewart, 1978; Shmakin, 1983; Matheis, 1987; Kontak et...pegmatite bodies of the region (Noumas I, Blesberg mine and Kokerboomrand I) are currently re-evaluated...mineralization. Despite several decades of exploration, mining and geological research, the nature of the source(s)...with zircon, monazite, titanite, magnetite and tourmaline as accessory minerals. The heterogeneous pegmatites...garnet, with apatite, zircon, monazite and rare tourmaline, CGM and beryl as accessory minerals. Heterogeneous |  | | Journal (article/letter/editorial) | | 1960s to 1980s [6–15], but later, their small-scale mining progressively declined, even though the research...[19], and some syntheses of the pegmatite lithium mining in Argentina, became outdated [20]. In this paper...with lithium mineralization extend from Salta to San Luis provinces along ~800 km, grouped in several...the south, the pegmatites of the Valle Fértil district are dominantly of muscovite class, with minor...Córdoba. 3.1. El Quemado Pegmatite District (QPD) The geology of the district consists of a thick turbiditic |  | | Book | | a world leader in the production of e0pper. the mining areas of Cornwall and Devon became important producers...player in world zinc produ.:tion. Th· development of mining tin particular during the 18th and 19th centuries)...continue unabated despite there n '" being , ·~- link mining acti,·ity in Britain or Ireland. My original intention...onNewMinerals,Nomenclature andClass::ication. Co. County. EMPElectronmicroprobe - an instrument usedto ...with older fluorite specimens from Weardale in County Durham being a case in point. Many of these specimens |  | | Journal (issue) | | Pegmatitic District, Argentina Fernando Guillermo Sardi Abstract: The Velasco Pegmatitic District is located...Sanagasta granites. The pegmatites in the Velasco district have a spatial and genetic relationship with these...also present in some pegmatites from the Velasco district. Keywords: aquamarine, gemstone, heliodor, pegmatite... 29°30′ 30 km Study area Velasco Pegmatitic District Figure 1: Location of the study area. On the...geological context of gems in the Velasco Pegmatitic District, Argentina 67°10′ 66°50′ 67°00′ Pinchas N |
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