 | | Journal (article/letter/editorial) | | JULY_AUGUST, 1967 MICAS OF THE BROWN DERBY PEGMATITES, GUNNISON COUNTY, COLORADO1 and,Mineralogy,The E...Michigan. Ansrnecr The Brown Derby No. 1 pegmatite, of Gunnison County, Colorado, contains a highly diversified...diversified suite of micas: biotite, muscovite, zinnwaldite, rose muscovite, sericite, and five major varieties...elements with respect to their positions in the pegmatite and probably with respect to relative time of...replacement layers formed by reactions between zonal pegmatite rock and deuteric, residual pegmatitic fluids |  | | 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 (‘arolina; 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) | | Toxicologicalevaluation of preliminary animal studies reveais no sensitivity reactions or harmful effectson lung tissue... 1960 STIBIOTANTALITE FROM THE BROWN DERBY No. I PEGMATITE,COLORADO* E. Wu. HotNntcu, Departmenl of...M'ich'igan. The Brown Derby group of pegmatitesand especiallythe Brown Derby No. 1 pegmatite on the east...east side of Quartz Creek Valley in Gunnison County, Colorado, "are famous for the exceptionaldevelopment...al., 1956).The geologyof the dikes and of the district has been thoroughly investigated (Hanley et al |  | | 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 (article/letter/editorial) | | AssrnA.cr Columbites may be radioactive because: 1) they contain isomorphous t/+(and Thar?) substituting...Radioactive columbite is related to a particular pegmatite district, its paragenetic position, and the presence...of the properties and textures of the opaque pegmatite minerals in polished section. Species studied...the discovery, at the Mica Lode pegmatite in Fremont County, Colorado (Heinrich, 1948), of a relatively...Phoenix Memorial Project, Nos. 150 and 204. 1 Contribution No. 250 from the Mineralogical Laboratory, Department |  | | 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 (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 |  | | Journal (issue) | | RECORD JANUARY-FEBRUARY 1995 • VOLUME 26 NUMBER 1 • $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) | | presented hereis (1) plagioclase, quartz,muscovite, (2) plagioclase, quartz, (8) quartz,perthite,plagioclase...perthite,quartz,(5) quartz,plagioclase, perthite,spodumene(or petalite),amblygonite, (6) quartz,spodumene...spodumene (or petalite),(7) quartz,microcline or perthite,(8) quartz,and (9) lepidoliteor lithian mica, plagioclase...plagioclase, quartz,microcline. Assemblages $ and 5 are subdividedto showverticalchangesin perthiteabundance...lastpositionin the sequence, followingthe monomineralic quartz assemblage, because sizableconcordant quartzbodiesarein |  | | Journal (article/letter/editorial) | | Chemical Geology, 19 (1977) 1--42 1 © Elsevier Scientific Publishing Company, Amsterdam -- Printed... FLUORINE IN GRANITIC ROCKS AND MELTS: A REVIEW .1 J.C. BAILEY Institute for Petrology, University...granitic rocks and melts: A review. Chem. Geol., 19: 1-42. Proposed average fluorine contents for granite... with lesser amounts in hornblende, muscovite, quartz and accessories. However, accessory minerals --...delays the onset of crystallization, and promotes quartz, topaz and feldspars above biotite in the order |  | | 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 |  | | Report (issue) | | 130 131 131 134 138 IV CONTENTS TABLES TABLE 1. 2. 3. 4. 5. 6. Relation between Li2O content, octahedral...Al by Li, in ratios varying between 2 and 3 Li for 1 octahedral Al. The aluminum lithium micas are not...ferrous lithium micas are also trioctahedral and no structural adjustments are necessary. The ferrous...occupied by Li+1, protolithionite, having between 0.25 and 0.75 sites occupied by Li+1, zinnwaldite, having...lepidolite, having more than 1.25 sites occupied by Li+1 . The high-Li members of both series are lepidolites |  | | 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 |  | | Journal (issue) | | , and D. R. Cook Hyalite from the Spruce Pine District, North Carolina ................................Pretoria Belgium: Paul Van Hee Deuzeldlaan 16-bus 1 B-2120 Schoten England: Roger S. Harker 2 Wellsic...of the editor. suggestions for authors See vol.9, no.3, p. 135, or write to the editor for a copy. The...permanence, early issues of the Record will probably fare no better. However, in recent years the Record has been...Show— 1 9 7 8 / Some specimens from this unique private collection ore currently available. 1 4 2 2 |  | | 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 (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, Juµus, 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) 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 . . ~-•n ~ NUV V ',- /..VI,;, • 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) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning 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 | | 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 |  | | Report (issue) | | between (OH,F) and 0 in trioctahedral micas __ F1 1 2 3 3 Relation between (OH,F) and 0 in lithium...__ _ F3 5 6 6 7 15 ILLUSTRATIONS Page PLATE 1. Relation between (OH,F) and 0 in dioctahedral and...and between (OH) and 0 in chlorites ___ In FIGURE 1. 2. 3. 4. Relation Relation Relation Relation between...___________ pocket F4 5 5 7 TABLES Page TABLE 1. 2. 3. 4. 5. 6. 7. 8. Degree of completeness, with...deficiency in micas· and chlorites that contain little or no iron, or any other oxidizable ion like Mn or Ti. |
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