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| et re" De Beers o Geool E ff the Sot āFe lhvoll exploring South Africa's hidden treasures Nick Norman...Norman varied rock outcrop. The Richtersveld offers geologists rich and DEDICATION To Sue, Sarah and...are thy works! in wisdom hast thou made them all: the earth is full of thy riches.ā Psalm 104, verse 24...1144, Cape Town, 8000 South Africa Visit www.randomstruik.co.za and join the Struik Nature Club for...recording or otherwise, without the prior written permission of the copyright owner(s). ISBN 978 1 43170 |
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| PROCEEDINGS OF THE 30TH INTERNATIONAL GEOLOGICAL CONGRESS VOLUME 16 MINERALOGY PROCEEDINGS OF THE VOLUME...INTERNAnONAL GEOLOGICAL CoNGRESS :ORIGIN AND HISTORY Of THE EARTH : GEOSCIENCES AND HUMAN SuRVIVAL. ENVIRONMENT...GLOBAL CHANGES AND FUTURE ENVIRONMENT : STRUCTURE Of THE lrrHOSPHERE AND DEEP PRocESSES I SeiSMIC GEOLOGY...8 VOLUME 9 :ENERGY AND MINERAL RESOURCES FOR THE VOLUME VOLUME :GLOBAL TECTONIC ZONES DISPOSAL ...EDUCATION 1 HISTORY Of GEOSCIENCES PROCEEDINGS OF THE 30TH INTERNATIONAL GEOLOGICAL CONGRESS BEIJING, |
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| ā¢ . ā¢ CĀ· THE GEOLOGY OF PART OF SOUTH-EASTUGANDA WITH SPECIAL REFERENCE TO THE ALKALINE COMPLEXES...UGANDA No. VIlI THE GEOLOGY OF PART OF SOUTH-EAST UGANDA WITH SPECIAL REFERENCE TO THE ALKALINE COMPLEXES...20 Published by authority of the Uganda Government and printed by the Government Printer, P.O. Box 33... PREFACE In this Memoir Dr. K. A. Davies describes the geology and economic mineralogy of ~n area on which...and direct supervision throughout his service with the Geological Survey of Uganda, of which he was Director |
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| THE MINERALOGICAL RECORD NOVEMBERāDECEMBER 2007 ā¢ VOLUME 38 ā¢ NUMBER 6 $15 Wayne & Dona Leicht, 875... Publisher & Editor-in-Chief Wendell E. Wilson The Editor Thomas P. Moore Mineralogical record Circulation...circulation manager for rates.) ā¢Individuals (outside the U.S.): $65 for one year, $120 for two years. (Airmail...Articles Rumpfās Ambonese Curiosity Cabinet (1705) and the first color-plate illustrations of minerals . . ...C. Schuh & W. E. Wilson The Minh Tien tourmaline mine, Luc Yen Mining District, Yenbai Province, Vietnam |
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| SOUTH WEST AFRICA DEPARTMENT OF Memoir No. MINES If THE GEOLOGY OF THE WARMBAD DISTRICT SOUTH...SOUTH WEST AFRICA An Explanation of Geological Sheets Amib (H-33-F), Umeis (H-34-A) and Nakop (H-34-B)...of the Union of South Africa and H. F. FROMMURZE, B. Sc., Geologist, ā¢ Geological Survey of the Union...Union of South Africa. Published by authority of His Honour the Administrator Price 70/6 (including Map)...VDHOEK. The Secretary for South West Africa, Windhoek Sir, I have the honour to submit the following |
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| DEPARTMENT OF THE INTERIOR BULLETIN OF THB UNITED STATES GEOLOGICAL SURVEY No. 157 WASHINGTON GOVERNMENT...GEOLOGICAL SURVEY CHARLES D. WALCOTT, DIRECTOR THE OF SOUTHWESTEEN MINNESOTA BY CHRISTOPHER WEBBER...characters of the rocks of the Minnesota River Valley............................... Courtland district ........Probable continuation of the quartzite in surrounding areas......... Age of the quartzite....... ........................................ Fort Ridgely district.............................................. |
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| DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN 483................................... Description of the rocks.........................................:.......................................... Outlier south of Manchester. ........................................................................ Quarries south of James River....................................geology of Richmond, Va., and vicinity.... II. A, The Lafayette plain near Richmond, Va.; B, James River |
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| inferred from structural and textural evidence that the augen have formed by metasomatic processes. HE augen...gneisses from a locality near the main road about one mile south of Ilorin. The banded gneisses consist essentially...textural continuity one with another. Frequently the rock shows broader, impersistent, but conformable...lenticular, correspondingly disturb the contiguous dark folia. They resemble the normal thin leucocratic layers...and potash felspar). The augen are sporadically distributed throughout certain of the banded gneisses and |
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| SURVEY PROFESSIONAL Prepared in cooperation with the Geological Survey Division^ Michigan Department of...PROFESSIONAL PAPER 310 Prepared in cooperation with the Geological Survey Division, Michigan Department of...WASHINGTON : 1961 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY...SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U.S. Government Printing...work and organization of the report______---_ Previous work and summary of the literature_______ Topography |
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| Introduction The Early Days- The EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists...29 37 Minerallocalities The North TsumebSpecial The Otavi Mountainland The Central Northern to Northwest...Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains The RossingMountains...RossingMountains The Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central...Central and South-CentralDeposits Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central |
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| Publisher & Editor-In-Chief Wendell E. Wilson THE Editor Thomas P. Moore MINERALOGICAL RECORD Circulation...Thirty-five, Number Two Articles The sclerometer and the determination of the hardness of minerals . .. ..... . . 109 by U. Burchard Recent discoveries at the Jeffrey mine, Asbestos, Quebec . .. ...............Miglioli & F Spertini Aragonite from Cicov Hill in the Czech Republic ....... . ... . .. . . . . . . 137...Filippi & J. Hyrsl Columns Guest Editorial: It's the artifacts, stupid! . ......... . .. . ... .... . |
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| Figure 1 Figure 2 The Occurrence of Wollastonite and Titanite NATURAL BRIDGE, LEWIS COUNTY, NEW YORK...Chamberlain T W O S M A L L T R E N C H E S near the village of Natural Bridge in northern New York have...beĀ came available in the mid-nineteenth century and are repĀ resented in the world's major mineral collections...today. This article describes the locality, reviews its history, reports the results of a detailed study...study of its mineralogy, and reviews the data and theories about its origin. Preliminary reports 78 ROCKS |
 | Andrade, M. B., Atencio, D., Filho, L. A. D. M., Ellena, J. (2011) TThe structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Rendondo Mine, Coronel Murta, Minas Gerais. The Canadian Mineralogist, 49 (2) 615-621 doi:10.3749/canmin.49.2.615 | Journal (article/letter/editorial) |
| 615 The Canadian Mineralogist Vol. 49, pp. 615-621 (2011) DOI : 10.3749/canmin.49.2.615 THE CRYSTAL...MICROLITE-GROUP MINERAL WITH A FORMULA NEAR NaCaTa2O6F FROM THE MORRO REDONDO MINE, CORONEL MURTA, MINAS GERAIS,...from the Morro Redondo mine, Coronel Murta, Minas Gerais, Brazil. On the basis of these data, the formula...00 Y(F0.73ī0.27)S1.00. According to the new nomenclature for the pyrochlore-supergroup minerals, it is...fluornatromicrolite and āfluorcalciomicroliteā. The crystal structure, Fd3m, a = 10.4396(12) Ć
, has been |
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| - VOLUME XX SUMMER 1984 The quarterly journal of the Gemological Institute of America EDITORIAL...Santa Monica, C A SUBSCRIPTIONS Subscriptions in the U.S.A. are priced as follows: $24.50 for one year...listed at the time your subscription is entered. Single issues may be purchased for $7.00 in the U.S.A....regarding subscriptions and the purchase of single copies of back issues to the Subscriptions Manager. MANUSCRIPT...Gemology welcomes the submission of articles on all aspects of the field. Please see the Suggestions for |
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| (Print) ISSN 1750-8568 (Online) Proceedings of the Shropshire Geological Society No. 16 2011 Contents...ā¦ā¦ā¦ā¦ā¦ā¦ā¦... 25 4. Liu, A.G.: Reviewing the Ediacaran fossils of the Long Mynd, Shropshire ā¦ā¦ā¦..ā¦ā¦...ā¦.....Rosenbaum, M.S.: Field Meeting Report: The glacial geology of the Church Stretton Valley, led by Simon...uk/SGSpublications Issued January 2012 Published by the Shropshire Geological Society ISSN 1750-855X (Print)...unconformities. Proceedings of the Shropshire Geological Society, 16, 1ā12. The remarkable variety of rock |
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| DEPARTMENT OF THE INTERIOR FRANKLIN K. LANE, Secretary UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH...SMITH, Director Bulletin 663 THE STRUCTURAL AND ORNAMENTAL STONES OF MINNESOTA BY OLIVER BOWLES ... Prepared in cooperation with the Minnesota State Geological Survey W. H. Emmons, Director WASHINGTON....................................... Geology of the building stones....................................45 46 46 46 46 46 CONTENTS. ' 5 Geology of the building stones Continued. Page. Mesozoic....... |
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| THE MINERALOGY OF M ONT SAINT-HILAIRE QUEBEC by lAszlo ho rv Ath and ROBERT A. GAULT with notes...Velthuizen, George Y. Chao and Ronald P. Conlon 1990 The Mineralogical Record July-A ugust 1990 volum e 21...Single copies of this issue are available, w hile the su p p ly lasts, at $12 p er copy p o stp aid Special...class an d airm ail rates available on req u est The M ineralogical Record P.O. Box 35565 Tucson, A rizona...a Tucson, A rizona 85715 (602) 299-5274 Ā© 1990 The M ineralogical Record Inc. All rights reserved u |
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| this excellent work has been undertaken. The mineral section of the Rochester AcadĀ emy of Sciences completed...search which showed this series is in the public domain in the United States. They have, therefore, already...already printed and bound some of the volumes. The edition is a facsimile, perfect bound, and printed...copies) on acid-free paper. The full eighteen volumes should be available by the end of two more years. Initial...Initial sales were made to attendees of the Rochester AcadĀ emy of Sciences Mineral Symposium. Inquiries |
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| Prices on request. The Mineralogical Record Inc. is a non-profit organization The Mineralogical Record...Record magazine (USPS-887-700) is published by the Mineralogical Record Inc., 7413 N. Mowry Place Tucson...& phone nos.: Circulation, back issues, reprints The Mineralogical Record P.O. Box 35565 Tucson, Arizona...85715 602-299-5274 A D O - I I I Notes from the Editor..................................168 W. E...prevailing exchange rates, without surcharge, to the following people: Belgium: Paul Van Hee Marialei |
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| I-Z Published by the Mineralogical Record, Inc., Tucson, Arizona Copyright~ 2016 The Mineralogical Record...or made available on the Internet without the express written permission of the Mineralogical Record...publication. The Mineralogical Record, Inc. does not endorse, warrant or guarantee the validity, authenticity...Ariege. Operated for talc since the beginning of the 20th century, the Trimouns quarry became well known...known to collectors around 1990 for the superb specimens of a series of rare-earth species found as small |
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| Geologist HARRISBURG, PA. 1931 COPYRIGHTED, 1931 BY THE Commonwealth op Pennsylvania ā¢..."Woodward, Secretary of Internal Affairs. Sir: 1 have the honor to transmit herewith a manuscript on Feldspar...this Survey. The feldspar industry is one of the smaller industries of the State. During the first twenty...twenty years of this century the production of feld spar in this State amounted to 265,000 tons valued at...Twenty years ago Pennsylvania ranked second among the States for crude feldspar production; ten years ago |
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| 2 Article - Windy Point 3 Article - Chasinā the Blues 7 Pebble Pups 15 Article - Impact Gold...16 Haiku - A Stone Mayan Bead 18 Presidentās Corner - vote 19 Secretaryās Spot 20 Classifieds -...visitors from the pastā¦pg. 3 Photo: Nils Tycho Impact!ā¦pg. 16 Photo: J. Hair Got the BLUES? We do tooā¦pg...some recent meetings that you may have missed on the FSS YouTube Channel: https://www.youtube.com/cha...Raven hills in the Cripple Creek Mining District, have turned up in the archives of the Cripple Creek |
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| Colorado does not have the many lostmine stories of the sort that prevail in the Southwest generally. These...magazine or another, especially Desert. Most of the stories doubtless have in them some element of truth...have taken place in Colorado that might be put into the class of lost and found localities, or at least mislaid...described here. There are likely many others. The Mount of the Holy Cross, for some years a national monument...attracted a good deal of popular attention because of the distinctive, snow-filled ravine that gave it its |
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| DEPARTMENT OF THE INTERIOR HUBERT WORK, Secretary UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH...SMITH, Director Bulletin 738 THE COMMERCIAL GRANITES OF NEW ENGLAND BY T. NELSON DALE WASHINGTON GOVERNMENT...COPIES OF THIS PUBLICATION MAY BE PROCUEED FEOM THE SUPERINTENDENT OF DOCUMENTS GOVEENMENT FEINTING OFFICE...New England granite quarries____ Descriptions of the quarries, granites, and product__________ Method..._________________________________ Distribution of the granites and quarrying centers______. Geologic relations |
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| fcTl r a ir(0 - ! ? A GUIDE TO FOSSICKING IN THE NORTHERN TERRITORY NORTHERN TERRITORY DEPARTMENT...TO FOSSICKING IN THE NORTHERN TERRITORY This book was prepared by the staff of the Northern Territory...however, particular acknowledgeĀ ment is made of the detailed field information provided by staff members...Horsfall, as well as from David Moore and John Shields. The assistance of land holders, local fossickers, gem...many company geologists helped to make the volume more complete. The second edition was revised and updated |
