 | Strnad, Ladislav, Goliáš, Viktor, Mihaljevič, Martin, Pudilová, Marta (2012) The Variscan Kašperské Hory orogenic gold deposit, Bohemian Massif, Czech Republic. Ore Geology Reviews, 48. 428-441 doi:10.1016/j.oregeorev.2012.06.001 | Journal (article/letter/editorial) |
| Albertov 6, 128 43 Prague 2, Czech Republic a r t i c l e i n f o Article history: Received 5 January 2012...the formation of the Q1 and Q2 quartz veins (Stage I) under brittle-ductile conditions with the N–S extension;...extension; these quartz veins were filled mainly by apatite, plagioclase1, muscovite and arsenopyrite-1. Revised...calcite (Stage II). The corresponding fluids of Stages I and II belong to the C-H-O-N system. The P–T conditions...correspond to 590–520 °C and to 0.44– 0.25 GPa for Stage I and 480–390 °C and ~0.2 GPa for Stage II. Stage III |
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| CORDIERITE IN PEGMATITE NEAR MICANITE, COLORADO E. Wtu. Herwucn, UniversityoJ Michigan,Ann Arbor, Mi...Mi.chigan. ABsrRAcr The Climax pegmatite of the Micanite district in Colorado contains unusually large...garnet, zoisite, and tourmaline. Data on 50 other occurrences of pegmatitic and vein cordierite are summarized...is discussed. IurnooucttoN The Micanite pegmatite district iies acrossthe Park-Fremont County line in...recognizedcordieritein the Climax deposit. The pegmatite was studied by the writer in 1946 and 1949, at |
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| located near Pleystein our “scientific field camp”. I could not imagine to see him without a judo mat close...Berthold was superb and gained the highest honors. I got in contact with him, sharing the same passion...daily routine, he did not postpone my questions. I did not receive an answer from him, he provided me...to send me the scale bar for each photograph. So I left his legacy as it stands. Those images (if some...shared by Germany, the Czech Republic, Poland and Austria, has been focused on these industrial minerals |
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| 272 ROCKS AND MINERALS WORLD NEWS ON MINERAL OCCURRENCES Items On New Finds Are Desired. Alabama—Mr....turquoise which due to war-time gasoline restrictions I was never able to visit. "An engineer with the U....Bureau of Mines.gave me a specimen for identification. I found it to be turquoise and requested a larger specimen...specimen if possible for him to obtain same. I found that the late Dr. George F. Kunz had seen this material...1902, pp 856-857. Specimen of fine blue color which I identified in 1943 was found on the property of George |
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| by K. L. Triscori & T. /. Campbell The Urucum pegmatite, Minas Gerais, Brazil...........................of the “rockhound”? And how might he be defined? I would say that the average rockhound is a dabbler...must assume that not every rockhound subscribes. I wouldn’t be surprised if the total U.S. rockhound...reverse it. A better question would be: is it too late? I suspect that in trying to revive rockhounding, we’d...sciences today? And (2) where do we go from here? I think the number of people who begin with a general |
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| Antero: The Peak of Colorado Beryl Collecting Mark I. Jacobson Page 14 Crystal Structure of Beryl and...William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...diameter; Ohigashi, Japan; and in Dronning Maud Land, Antarctica, where meter long blue green crystals |
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| from left: Fluorite, 6.7 cm, from the Weisseck, Austria. Collected by Reinhold Bacher; Reinhold Bacher...corner of the Fairfax quarry in Centreville, Virginia. I visited the quarry the next weekend. Nothing showed...from the wall. “A week or so later I loosened a large piece of what I thought was thaumasite from the base...inches on an edge and 6 inches in maximum dimension. I have since cleaned off the thaumasite to expose the...were removed from the mine, in addition to many lower-quality specimens. Harry J. Olson, a local mineral |
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| TR1 2DA Italy Renato & Adriana Pagano P.O. Box 37 I-20092 Cinisello Balsamo MI Japan Bon Earth Sciences...Show (also in Southern California). Personally I think I would prefer “The L.A. Show” as simple, short...every year we sell out of some of the old ones. When I first became editor, and exhorted people in this column...of fine elbaite, morganite, kunzite, and other pegmatite minerals in North America since their discovery...the major gem-producing and specimen-producing pegmatite regions in the world. Specimens from mines such |
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| Tory Peterson ' R I Peterson Songs (eastern) Cornell Laboratory of Ornithology R I Peterson l. Western...Tracks 10. Ferns (ne. and cen. N. America)— Cobb I. Mmls [eastern] 1A. Bird ( 11. Eastern Trees...index. ISBN 0-395-72777-4 (pbk.) ISBN 0-395-72778-2. I. Title, n. Series. Determinative. 2. Rocks 1. Mineralogy...additional observations on tests and mineral occurrences that can be included in later editions of this...arranged, is the more common one,- the right-hand (or lower) is a less frequent but still important habit. Occasionally |
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| ......................................... 37 Pegmatite dikes........................................................................................ Apatite.............................................................. 73 81 ILLUSTRATIONS. Page. PLATE I. A, Wedge-shaped ferberite crystals from "Crow patent...Colo.; B, Hubnerite crystals from Regan mining district, 35 miles north of Osceola, Nev.................crystals from Zinnwald,.Bohemia...................... I.. Large, imperfect crystals of wolframite embedded |
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| Mine, Cleveland (seearticle in this issue). David I. Green specimen and photo. SOUTH CROFTY MINE -------------...special issue, Minerals of the Peak District, jointly with the Peak District Mines Historical Sociecv, che...Cornwall and Devon, the Lake District, the Caldbeck Fells and the Peak District. Richard Bevins' ~1ineralog)...described in uch detail. MINERALCONFERENCE INERALOGY I 1 THE FIELD-1995 is the title of a one days mposium...Sarurday the 18th ~larch ac Oxford 'niver icy. The aim i co bring rogether peakers on a wide range of topics |
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| 2005 by the Mineralogical Association of Canada JSB!\I 0-921294-39-5 Preamble At an advanced stage in...Discovered in Canada, and Species Named after Canadians, I casually mentioned to the authors of the book before...hyperagpaitic mineral species at Mont Saint-Hilaire, Quebec. I am very happy that Ole V. Petersen and Ole Johnsen...the cloth? What was his connection with Greenland? I quite naturally turned to Jay Lininger, founding editor...minerals", and a resident of Dillsburg, Pennsylvania. I suggested to him that if he was successful in tracking |
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| Four Articles The Palitra Pegmatite, a newly discovered hyperalkaline pegmatite in the Lovozero Massif,... Kola Peninsula, Russia . . . . . . . 397 by I. V. Pekov The Minerals of West-Central Illinois . . ....STEVE SMALE The Palitra Pegmatite a newly discovered hyperalkaline pegmatite in the Lovozero Massif,...119899 Vorobievy Gory, Moscow, Russia The Palitra pegmatite, recently discovered during underground mining...potassicarfvedsonite. INTRODUCTION The Palitra pegmatite, located on the northern flank of Kedykverpakhk |
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| C C3 c ax 1) a .I h c 1 1° 1 .5 1 CX 3 C_ > > * S as X Γ CO 3 O •-I C X y-, w CU O...OC co i-H C U C U x: .—ι en CO · en en O Û X C U CO v _... DIKES granite, diorite, eu c VJ XI >> C/3 x: i CX t>0 1 1 — 8 km 1c 1 t3 4 km _ 1 •H f=... HIGH >v LEVEL N. (HYPABYSSAL) co | P L U T 0 N I C | eu e eu cO MEDIUM LEVEL C Is equigranular...H H O H Ctf c/3 O H DEEP LEVEL aplite, pegmatite foliated, gneissic, migmatitic granite ω pc |
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| VOLUME X X I SPRING 1985 The quarterly journal of the Gemological Institute of America SPRING 1985...Colombia Peler C. Keller, Iohn I. Koivula, and Gonzalo Ipra r 26 I . NOTES * AND NEW TECHNIQUES ... 40 Interesting Red Tourmaline from Zambia Iohn I. Koivula and C. W. Fryer REGULAR FEATURES 43 49...in the world-Minos Gerais, Brazil; the other with (I new locality for red tourmaline-Zcrmbia. The pendanr... Contributing Editor and Editor, G e m News John I. Koivula PRODUCTION STAFF Art Director Susan Kingsbury |
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| , I NC. MINERAL SPECIMEN S· BOOKS-MICRO SCOPES COL�ECTING EQUIPMENT and SU P PLIES SC OTT S DA L E ..., A R I Z_O N A MINERAL SPECIMENS incluJing Micromount and Fluorescent columns . PETROLOGIC (ROCK)...color and high degree of brilliance. TT LIAM$ , I NC. 440 N. SCOTTSDALE ROAD • SCOTTSDALE, ARIZONA...gue p:: � 2 f5 == u I ::r::: u 0 � r.n 2 c:Q .:3 c::::=:::::> I DO NOT KNOW A THAN A CATALOGU...opalescence ............. Fl. ALBITE PERlCLrNE Italy, Austria, Switzerland Alpine areas. Fine large white twin |
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| chlorite; in addition, associated biotite, feldspar, apatite, fluorite, and carbonates were examined. The major...publications describe hydrothermal scheelite, apatite, fluorite, carbonates, barite, feldspars, tourmaline...associated with tin ore (Tables 1, 2) in granite, pegmatite, greisen, skarn, and hydrothermal rocks (Bortnikov...are widespread in tin ore from the Kavalerovo district, Primorsky krai, where they pertain to the preore...Geochemistry, Russian Academy of Sciences. Fluorite, apatite, feldspars, biotite, carbonate, and chlorite were |
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| other by the "Witham at Lincoln. N O T I C E S OIF IMIIEIMIOIIRS- I.—MINERALOGICAL OBSERVATIONS IN THE...represent a highly quartziferous variety of pegmatite. I Downloaded from https://www.cambridge.org/core...m. in diameter and 30 c. m. in length; whilst apatite is found in similar, though much smaller, green...quartz-stocks, and their relation to similar occurrences elsewhere. Alternating with the old crystalline...No. 1, pp. 1-8, with 2 plates of sections. nnHE district in Galicia over which signs of mineral oil occur |
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| \ \I Cover: The De Wet Shaft, Tsumeb mine (photograph by Dr Gabi Schneider, Geological Survey of Namibia)...their kind/or any given deposit worldwide. 3 1 � I ! � L CONTENTS l . Introduction 7 2. Approved...terised eight (8) new and valid minerals. 8 ! L I l 1. Introduction Approved mineral names Arsen...Maigruen Zinc-lavendulan Cu-austinite Mangano-apatite Zinc-stottite Cuprosmithsonite Mawsonite-(Ge)...s111dies on each mineral; listings of other known occurrences and etymology. No attempt however is made to |
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| Triassic deposits 31 Mineral localities 38 District of Columbia Mavtrl a Tirl IWlCfci JT XClilUl...XClilUl Q ~ __ ___ « - - : _ ___ .__ - -»-i- - 38 _ __ - - ________________ m~m~m~ m~ m~ «M »...Generalized cross section of a typical complex pegmatite of the Washington, D.C. area. Figure 5. Rhythmically...Maryland. <_ Titanite crystal (1.3 x 0.8 cm) in pegmatite from the Frost quarry, Woodstock, Maryland. Figure..."gold" prospect (see p. 116). Figure 54. The ; i Black Hills gold mine, Boyds, Maryland, now a storage |
 | Ashworth, L., Kinnaird, J.A., Nex, P.A.M., Harris, C., Müller, A.B. (2020) Origin of rare-element-mineralized Damara Belt pegmatites: A geochemical and light stable isotope study. Lithos, 372. 105655pp. doi:10.1016/j.lithos.2020.105655 | Journal (article/letter/editorial) |
| were used to identify possible sources for these pegmatite melts. Two groups of pegmatites can be identified...U-enriched pegmatitic SLGs with a Nb–Y–F (NYF) pegmatite affinity (Nex and Kinnaird, 2007; Freemantle,...source of compositional variability in LCT and NYF pegmatite melts. 1. Introduction Granitic pegmatites are...field exposure. Here, post- Jo ur orogenic pegmatite dikes have been emplaced in metasedimentary and...and H-isotope studies to identify the source of pegmatite magmas, as a source of mineralogical heterogeneity |
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| -::__ ::...,.;_! ... ~i~ ;..~: .: ! ;,;. . . -·,;;:;. --,:;-... ·"'l"- i~i~ ; ·::.. -; ,".,...illustrated with the most exceptional photographs. I would like to invite fellow Namibians and visitors...isactually blessedwith superb and scenicgeology. I do hope that this book can entice many peopleto visit...thecollectionof the Bergakademie. The the elementgermanium. I mentionthis mineralogyprofessorat the time, Kolbeck...Schneider was kind enough to sponsorthis book and I would like to take this opportunity to thank him for |
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| '···••::::•• .:·-·.... :::- ,• ._:~-~~t;~~~ f• I" .• !_._.,.• ' 1~~{}..'. •h'· .:, .? t:. ,u...~•::,fj'"' .: .-.:_'.: \ . I •'·· ., .• 11 • I ,111";\t:~~ne1 •i f l JJ 1atYON RALPH Moore's...-~~1---------- 1960-2015 by Thom.as P. Moore Volume II I-Z Published by the Mineralogical Record, Inc., Tucson...while supplies last, at www.MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac...dolomite, and rarely as doubly terminated crystals to I cm floating in vugs of crystalline talc. Easily the |
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| recognized, olivine-clinopyroxene pegmatite and Fe-Ti oxide pegmatite. With increased stratigraphic height... olivine-clinopyroxene pegmatite is prevalent in the Upper Critical and Lower Main Zones, whereas Fe-Ti...Fe-Ti oxide pegmatite is restricted to the Upper Main and Upper Zones. Zoned pegmatite, with a core of...of Fe-Ti oxide pegmatite, is transitional between the two subgroups. New whole-rock and electron microprobe...analyses of olivine-clinopyroxene pegmatite from the Upper Critical and Lower Main Zones provide convincing |
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| carborate pods) Metapyroxenite-Skarn Deposits Vein Occurrences Carbonate Veins Pyroxene Veins GENESIS OF URANIUM...Sundstrom (North) Sundstrom (South) Plexman Cam-Lower Dungannon Card Highway 500 McLean -, PAGE vil...Clear Opeongo Mine Bordun Honsberger James Minor Occurrences SELECTED REFERENCES INDEX IV 57 57 58 60 62...130 , ... 131 134 .. 136 137 138 143 151 TABLES I —Classification ol Uranium Deposits 2—Mineralogy and...5—Trace element content of some samples from the Cam-Lower Dungannon Occurrence 6—Trace element contents of |
Pegmatite I, Pegmatite occurrences, Zwettler Leiten, Felling, Gföhl, Krems-Land District, Lower Austria, Austria