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| Belt, central Namibia: the Hureb Formation of the Khomas Zone Gerrit S. de Kock* Department of Geology...Geology, University of the Orange Free State, Bloemfontein, South Africa (Received January 24, 1991; accepted...in the Pan-African Damara Belt, central Namibia: the Hureb Formation of the Khomas Zone. Precambrian Res...Hureb Formation in central Namibia is one of the uppermost stratigraphic units of the Precambrian Pan-African...Sequence. The Hureb Formation occurs only in a part of the Khomas Zone, a forearc basin which evolved complexly |
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| By H. W. Sloc11111 ......892 OUR SUMMER ACTIVITIES OF 1948. By E. Lau•rence Sa,npter ....................····························905 VESUVIANITE CRYSTALS FROM ESSEX COUNTY, N. Y. By E. B. Rou iey 906 MONAZITE OCCURRENCE......................................918 STATEMENT OF OWNERSHIP ........., .. .................... .......................................919 IMPRESSIONS OF LIGHTNING RIDGE, AUSTRALIA. By S. / . Sq11ires ....································931 REDISCOVERY OF A VARISCITE DEPOSIT ............................ |
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| MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...semiprecious stones, which are plentiful in every section of this I continent. A precise location guide, by...organized describes tested digging under the names of the nearest towns and counties. More than fifty maps...stretches of stream beds, and easily identifiable land- marks. Here is a precise explanation of h< to recognize...Edition Russell P. MacFall Thomas Y. Crowell New York / Company Established 1834 Copyright © 1975 |
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| Anthropology. The American Association for the Advancement of Science :Pre-Cambrian Sediments i n the Adirondacks...Forests and Forestry; Rydberg's Catalogtte of the Flora of Mont a m and tlke Yellowstone National Park...Discussion and Correspondence :The International Catalogue of Scienti$c Literature: PROFESSORHENRY F. OSBORN. The...Bansmissibility of Acquired Characters : C. G. 8. 113 Ourrent Notes on Meteorology :Report of the Chief of the Weather...Sea ;The Gulf Stream Drifl ;Hydrography and Faunas of Spitebergen Coast- Waters : DR. REGINALDA. DALY. |
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| HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...maximum advantage. The book features a directory of locations the United States, Canada, and Mexico where...precautions to take, likely places to look, the etiquette of col- lecting—and how to polish, classify and...explains the physical properties of minerals and gems and the science of crystallography— the six crystal...quarry" and more than eighty photographs of minerals in color, manv of which may be found by the searches |
 | | Journal (article/letter/editorial) |
| in the coastaliron province of northern Chile, a north-trending belt of magnetitedepositsabout 30 km...between two lobes of the Romeral diorite pluton. The North orebody consistsof conformablepods of magnetite in...eastern contact of the western lobe of the diorite pluton and within a northtrending network of anastomosingstrike-slip...clinozoisite,sphene, chlorapatite,marialitic scapolite,tourmaline,chlorite,pyrite, calcite,micas,and...and clays. The schists, phyllites, and quartzites of E1 Romeral probably are late Paleozoic, whereasthe |
 | Graupner, Torsten, Klemd, Reiner, Henjes-Kunst, Friedhelm, Goldmann, Simon, Behnsen, Helge, Gerdes, Axel, Dohrmann, Reiner, Barton, Jay M., Opperman, Rehan (2018) Formation conditions and REY enrichment of the 2060 Ma phosphorus mineralization at Schiel (South Africa): geochemical and geochronological constraints. Mineralium Deposita, 53 (8) 1117-1142 doi:10.1007/s00126-018-0791-7 | Journal (article/letter/editorial) |
| ARTICLE Formation conditions and REY enrichment of the 2060 Ma phosphorus mineralization at Schiel (South...Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract Rocks of the rare-earth element (REY)-enriched...(REY)-enriched apatite deposit in the eastern part of the Schiel Alkaline Complex (SAC; Southern Marginal...trace element chemistry of soils make it possible to constrain the distribution of the hidden P-REY-rich...Uranium-lead ages of zircon from phoscorite (sensu lato) and syenite are in the range of 2.06–2.05 Ga. Samarium-neodymium |
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| just a picture book. Rather, it is a veritable mine of information, telling everything the collector needs...maximum advantage. The book features a directory of locations in the United States, Canada, and Mexico...precautions to take, likely places to look, the etiquette of collecting-and how to polish, classify and catalog...tests the author explains the physical properties of minerals and gems and the science o f crystall ography-...quarry" and more than eighty photographs of minerals in color, manv of which may be found by th e collectn |
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| Number 0-913312-98-3 Printed in the United States of America American Geological Institute 4220 King...Acknowledgement .iv Introduction.v Source and Development of the Vocabulary .v Changes in this Edition .vi Indexing...Sediments .711 ListO Geographic terms.711 List P Fields of interest .720 Maps & Charts.726 Stratigraphic Chart...Pacific Ocean.731 Acknowledgements The 5th edition of the Thesaurus was prepared at AGI by Ruth Shimomura...mittee of the GeoRef Advisory Committee, assisted in the preparation. The VTF reviewed all new Term proposals |
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| MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...the nugget Jim, Placer County, California, in 1871 by a small girl in who town kept her possession throughout...lost identity of the nugget's finder, and the lock of record of her lifetime part of the mystery that...nugget was acquired by the California Federation of Minerologicol Societies insignia fornia by undetermined...1952. of Mines and Geology mineral exhibit in in the Cali- San Francisco MINERALS OF CALIFORNIA |
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| Geological Institute All rights reserved Library of Congress Catalog Card Number 85-073613 International...Number 0-913312-78-9 Printed in the United States of America American Geological Institute 4220 King...84n,Suita a &.m.9e em & Vv Source and development of the vocabulary......................000- Vv PREIDACKNE....acmxa-arat dete GG tee oo) 501 List P Fields’ oF interest |. .vudees.chort Postowns doers ane « 509... Foreword AGI wishes to acknowledge the contributions of the GeoRef Advisory Committee's Vocabulary Task Force |
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| KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com........................................411 What’s New in Minerals Tucson Show 2023 by T. P. Moore........only): $139/one year (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription...contributions from The Fellows and Sponsoring Organizations of the Mineralogical Record We invite you to become...Johan Maertens in memory of John Medici (2022) Agatha Galas in Loving Memory of Chris Galas (2022) Jonathan |
 | | Book (edition) |
| COMPLETE DIRECTORY OF THE BEST HUNTING LOCATIONS WITH 89 DETAIL MAPS AND 8 PAGES OF COLOR PHOTOGRAPHS...MacFall Fourth Revised Edition This latest edition of revised and updated, Gem lists Hunter's Guide...plentiful in every section of the continent. With its up-to-date listing of locations, Gem Hunter's Guide...states, it describes sites under of the nearest town and county. and the many maps included book contain...and stretches of directions in the stream beds. Here is a precise explanation of how to recognize |
 | | Book |
| MINERALOGIST AND FORMER KEEPER OF MINERALS AT THE NATIONAL MUSEUMS OF SCOTLAND, EDINBURGH m HERMES HOUSE...published by Hermes House Hermes House is an imprint of Anness Publishing Ltd Hermes House, 88-89 Blackfriars...Publishing Ltd 2006 All rights reserved. No part of this publication may be reproduced, stored in a retrieval...or otherwise, without the prior written permission of the copyright holder. A CIP catalogue record for...and Dr John Schumacher (Department of Earth Sciences, University of Bristol, England) Editorial Readers: |
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| U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY GEOLOGIC RADON POTENTIAL OF EPA REGION 1 Connecticut...Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont OPEN-FILE REPORT 93-292-A Prepared in... U.S. DEPARTMENT OF THE INTERIOR U. S. GEOLOGICAL SURVEY GEOLOGIC RADON POTENTIAL OF EPA REGION 1 Connecticut...Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont R. Randall Schumann EDITOR...A: Geologic Time Scale 19 Appendix B: Glossary of Terms 20 Appendix C: EPA Regional Offices, State |
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| Ireland: 0870 890 2730 Australia: (03) 9872 4000 New Zealand: (09) 308 2871 South Africa: (011) 265 4304...4000 New Zealand: (09) 308 2871 South Africa: (011) 265 4304 What are minerals? 1 Glossary of terms...Collecting; Science Photo library: Discovery 6;TRH: Story of the Earth, Editorial and Design by T he Brown Reference...plenty of water. Avoid contact with mouth. If swallowed, seek medical advice immediately. Keep out of the...the reach of small children. Griffi n House, 16 1 Hammersmith Road, London W 6 8SD © 2007 De Agostine |
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| Mineralogist, Volume 98, pages 1120–1132, 2013 A study of ruby (corundum) compositions from the Mogok Belt...Planetary Sciences, American Museum of Natural History, New York, New York 10024-5192, U.S.A. 2 Whitman College...Abstract For centuries the Mogok metamorphic belt of Myanmar (a.k.a. Burma) has been famous for producing...formation of rubies hosted in marble from the Himalayan arc is a closed-system metamorphism of former clays...included in this model. Involvement of igneous intrusions and the formation of skarn with the marble has been |
 | | Report (issue) |
| MINERALS OF CALIFORNIA BULLETIN No STATE ; . .. : DlViSIi BUILDIN 113 COLLEGE OF AGRICULTURE... STATE OF CAUFORNIA DEPABTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director DIVISION OF MINES...1938 MINERALS OF CALIFORNIA By ADOLF PABST Associate Professor of Mineralogy University of California...Printer SACRAMENTO. 51440 1938 TABLE OF CONTENTS Page Letter of Transmittal 5 Map 6 Outline o['...and Tellurides of the Semi-metals 36 Sulphides, Selenides, Tellurides, and Arsenides of the Metals 4-} |
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| AIM • f •• ,t ' I ·• L We "vonder how many of our subscribers realize ho"v valuable the articles...MINERALS. . Many of them are actual lessons in some branch of the fascinating study of mineralogy. This...This issue marks the beginning of another series - the identification of minerals by polishing and etching...etching "vith acids, a method "vhich \.Ve are sure some of our readers ,vill wish to try. We should like to...the success they may have in this interesting form of identification. We feel that ROCKS and tf lNERALS |
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| C 257989 (x q549 P PEMBERTON, H.E. MINERALS OF CALIFORNlA 299" 257889 PEMBERTON' HOFE CALIFORNIA...org/details/mineralsofcalifo00pemb MINERALS OF CALIFORNIA - MINERALS OF CALIFORNIA H. Earl Pemberton ~ VAN...VAN NOSTRAND REINHOLD COMPANY ~ NEW YORK CINCINNATI TORONTO LONDON MELBOURNE ' Copyright© 1983 by...Library of Congress Catalog Caid Number: 81-15963 ISBN: 0-442-27 488-2 All rights reserved. No part of this...systems - without permission of the publisher. Manufactured in the United States of America Published by Van |
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| Th is is the uJtimate photograph ic guide to 220 of the world 's most essential minerals. From precious...by Mount Vesuvius, each one exemplifies the wonder of nature. Often emanating from the parent rock in brilliant...the pride of any geological collection. From the green, gold and blue iridescent sheen of labradorite...list of notable locations given in the directory. Special feature boxes build a bigger picture of the...explain the evolution of the natural world, but also formed the entire basis of the industrial age. With |
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| Both rotary and vibratory adjustable with a turn of the dial. Solid vinyl hopper, remove or replace without...subject to change without notice. Minimum Purchase of $10.00 with your !!'!!!! - PLEASE send your card...00 minimum. LAPIDARY AND JEWELERS SUPPLIES 4959 York Boulevard, Loa Angeles, Callfornla 90042 Telephone...CUTTING POWER FOR DRILLING ... WIDEST SELECTION OF DIAMOND 'MICRO' DRILLS, CORE DRILLS AND DRILL KITS...is metal-bonded and locked firmly onto the points of d urable steel mandrels. DRILL POINT DIAMETER MM |
 | | Book |
| former =i Soviet Union based on =1 =5 3 =1 World of Stones Compiled for the 30th Rochester Mineralogical...Localities for the former Soviet union BASED ON WORLD OF STONES -) The 12-volume set, World ofStones, stands...changes in spelling and generally follows the text of the World ofSlones. Obvious typographical errors... Tire letter C means the cover of tire issue. All data from parts of the former Soviet Union were included...in this index; however, references to, and photos of, minerals from other regions have been excluded. |
 | | Book |
| identification of minerals, rocks and gemstones is notable for its compactness and ease of reference. It...giving the properties, uses, mode of occurrence and localities of nearly 200 minerals. These are first...and structural properties, and includes a glossary of important rock names and petrographic terms. The...section gives a fairly detailed account of the properties of over 280 gemstones and ornamental stones...illustrated, will appeal to university students of geology, jewellers, amateur geologists and gemmologists |
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| STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES DIVISION OF MINES FERRY BUILDING, SAN FRANCISCO...1943 No. CALIFORNIA JOURNAL OF MINES AND GEOLOGY QUARTERLY CHAPTER OF STATE MINERALOGIST'S REPORT...STATE DIVISION OF MINES FERRY BUILDING, SAN FRANCISCO CALIFORNIA 21200 LIBRARY UNIVERSITY OF CALIFORNIA...CALIFORNIA DAVIS 1 DIVISION OF MINES EXECUTIVE AND TECHNICAL STAFF WALTER W. BRADLEY State Mineralogist...ADMINISTRATION 7 Organization and service of the Division of Mines, by Walter W. Bradley SAN FRANCISCO |
