 | | Journal (article/letter/editorial) | | monazites from several well-studied pegmatites and pegmatite districts in the western states have been analysed...only of individual pegmatites but also of entire pegmatite districts. WITHIS the last fifteen years there...from t*he Shelby district. Norbh (âarolina; two are from quartz monazite pegmatite and three from the...order t,o obtain data on the following problems : 1. \Vhether different specimens of paragenetically identical...monazite from different pegmatites in a single district show any composiCona1 variation. 3. General compositional |  | | Journal (article/letter/editorial) | | was done by the senior author in New Mexico and Colorado at various times during the summers of 1948, 1949...GeologicalSurvey; + Contribution from the Department Michigan, No. 169. of Mineralogy and Petrography, University...154), "There is an abundanceof coarsegranite pegmatite bouldersin the immediate neighborhood of the quarry...unusually large scale . . . is due to the action of pegmatite intrusions upon the materials of the gneisslimestone...contact zone." Specimensof rose mica-bearing pegmatite from Bolton show the following megascopiczonal |  | | Journal (issue) | | Mineral News Vol. 14 No. 6 June, 1998 The Mineral Collector's Newsletter Pebble Beach Pegmatites Lake...Lake Buchanan, Llano County, Texas Art Smith 9118 Concho Str. Houston, Texas 77036 Ray Stegemoller...Canine Road Marble Falls, Texas 78654 .7 l Llano County has long been known for its rare-earth granitic...the year. Continued on page 6 l. âą Figure 1. Smoky quartz crystals from Pebble Beach pegmatites; Art...Geologist for Texas Gulf at their Frasch sulfur mine at New Gulf, Texas, I noticed a small vial with |  | | Journal (article/letter/editorial) | | coupling various acidic groups to silicon wafers. We had no expectation of creating a geometric lattice of functional...February 2015 MINERALS FROM THE HYATT MINE, TALCVILLE, ST. LAWRENCE COUNTY, NEW YORK. S. C. Chamberlain, Department...Zinc Corporation of America operates the new Hyatt mine on an orebody just south of the Oswegatchie River...Talcville in the Town of Edwards, St. Lawrence County, New York. The orebody consists of massive iron-rich...of sepiolite in the form of mountain leather, the mine has not, until recently, produced anything of particular |  | | Journal (issue) | | RECORD JANUARY-FEBRUARY 1995 âą VOLUME 26 NUMBER 1 âą $10 Wayne & Dona Leicht, 875 North Pacific Coast...Menzies Pink topaz from the Thomas Range, Juab County, U ta h .........................................to 4 cm, on matrix, from Ghundao Hill, Mardan district, Pakistan. F. John Barlow collection; photo by...edition is still reasonably priced, at $18 plus $1 postage ($2 foreign). We had originally planned to...College in Northfield, Minnesota, and made off with no less than 626 museum-quality specimens of minerals |  | | Journal (article/letter/editorial) | | This review indicates two composition fields, the 1 Journal Pre-proof first is that of hydrothermal...secondary hydrothermal and lP vapor-phase topaz. 1. Introduction na Keywords: topaz-bearing rocks;...F-rich topaz is typically confined to (see Table 1): i) highly evolved felsic igneous rocks enriched...shallow-intrusive textures are composed almost entirely of quartz and of topaz (Johannson, 1932); ii) late-stage...rhyolites ro and granites, and greisen-, pegmatite-, quartz-type veins; and iii) cavities formed by the |  | | Book | | Natural, Cultured and Imitation Alexander E. Fam Quartz Michael O'Donoghue Also availablefrom Butterworth-Heinemann...Butterworth-Heinemann Ltd 1992 All rights reserved. No part of this publication may be reproduced in any...xi Profile xii 1 Topaz - Historical perspectives 1 Introduction 1 Etymology of topaz 1 Topaz in ancient...and red topaz 71 Localities 72 Genesis 72 Orange-brown, or sherry coloured 'imperial' topaz Irradiation...Preto, Brazil, in the world gem trade. In addition, no one had previously made a comprehensive study of |  | ÄernĂœ, Petr, Chapman, Ron, Ferreira, Karen, Smeds, Sten-Anders (2004) Geochemistry of oxide minerals of Nb, Ta, Sn, and Sb in the VarutrĂ€sk granitic pegmatite, Sweden: The case of an âanomalousâ columbite-tantalite trend. American Mineralogist, 89 (4) 505-518 doi:10.2138/am-2004-0405 | Journal (article/letter/editorial) | | granitic pegmatite, Sweden: The case of an âanomalousâ columbite-tantalite trend PETR CÌERNĂ,1,* RON CHAPMAN...CHAPMAN,1 KAREN FERREIRA,1 AND STEN-ANDERS SMEDS2 Department of Geological Sciences, University of Manitoba...36 Uppsala, Sweden 1 ABSTRACT The complex, petalite-subtype VarutrĂ€sk pegmatite in the Proterozoic rocks...is, as a whole, rather poor in Nb and Ta. The pegmatite consolidated in eight units, but the (Nb,Ta)-oxide...abundance of native antimony and stibarsen in the pegmatite, and the absence of Bi-bearing minerals. Rare |  | | Book | | 42 C-BE WITHDRAWN FROM STOCK QMUL LIBRARY STOCK No. 55392 QMC 315880 8 llllllllll l/11111111111111"...slightly more than 1,700,000 tons \1/as produced domestically. 1-'Ieasured, indicated, and inferred uraniun1...mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...minerals exploration, not only a1nong themselves but \1/ith spectacular success also with "weekend" and professional...mass efforts vvere organized in the United States, \1/here in 1955 some 10,000 laymen and prospectors, replete |  | | Book | | (34) Production and layout: Granit Ltd., Praha ISBN 1 84013 404 6 All rights reserved. Copying of the entire...consent of the publisher. Contents Introduction 7 1. Elements 9 2. Sulphides 19 3. Halides 67 4...known to humankind since prehistoric times such as quartz and gold, but also minerals first described quite...Secondary minerals are divided into following groups: 1. oxidation, when minerals result from the oxidation...magmatic or hydrothermal origins of elbaite in the pegmatite cavities; the mctamorphic or hydrothermal origins |  | | Book | | Special Publication No. 7 ___ __fu_r_G--eo_l_o-gy__________ o_f_t_h_e_S_o_c_I·e_ry Deposits to Mineral...Petr Cerny, and Francis Saupe. (Special publication no. 7 of the Society for Geology Applied to Mineral...Society for Geology Applied to Mineral Deposits; no. 7. TN490.A2L36 1989 669' .29-dc19 88-31553 This...nearly all metals and the inevitable closing of many mining operations, it is a matter of the industry's survival...decision, not only is a handy volume affered to the mining and processing community but also duplication of |  | | Book | | consent of the publisher. Contents Introduction 7 1. Elements 9 2. Sulphides 19 3. Halides 67 4..."1ost of those publications though only deal with a 1!W dozen of the most common minerals or ~emstones....ninerals, aesthetic criteria such as size of crystal 1.nd color played a role in addition to their mportance...known to 1umankind since prehistoric times such as quartz 1nd gold, but also ~minerals first described quite...Primary minerals are divided into following groups: 1. magmatic, when a mineral ;rystallizes directly from |  | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Van Nostrand Reinhold Book -- . DATE DUE f,J+B 1 3 2Ul$J . . ~-âąn ~ NUV V ',- /..VI,;, âą I J...Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere nee Not to...Sagtiache Co1tntr Publlc I...ibran' Saguache, Colorado ~ VANNOSTRAND REINHOLD ~ - - - - N e w York |  | | Book (edition) | | 74-1155 ISBN: 0-442-26820-3 All rights reserved. No part of this work covered by the copyright hereon...of minerals. Includes bibliographical references. 1. Mineralogy-Dictionaries. I. Rapp, George Robert,...author. II. Weber, Ju”us, joint author. III. Title. 1 QE355.R6 549 .03 74-1155 ISBN 0-442-26820-3 151044...illustrations for AXINITE, Hyuga, Japan (12, column 1) and AZURITE, Concepcion del Oro, Zacatecas, Mexico...Vesuvius, Italy (12, column 2) and SEMSEYITE, Julcani mine, Huancavelica, Peru (#3, column 2). Color, page | | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, NâChwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For Reference Not to...Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD New York ...Number 89-5633 ISBN 0-442-27681-8 All rights reserved. No part of this work covered by the copyright hereon |  | | Book | | con-1 Web: ,:v,v,v.scb ifferbooks.con1 Copyright © 2016 by Robert J. Lauf All rights reserved. No pan.................................. 306 . APPENDIX 1 OBSOLETE NAMES, VARIETAL NAMES, AND SYNONYMS .......is a fue l for reactors to produce electricity, mining operati ons. Robert Lau f presents here a highly...species are no\.V being reported at the rate of several thorium mineralogy. each year, v.1 ith 1nost of...understand the specimens in his or her collection. It ,1/ill also be of use to the exploration geologist who |
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