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| Gemstones AMERICAN Gems Sources of Excellence A Publication of the International Colored Gemstone...InColor InColor Cutters & Exporters of Gemstones Cutters & Exporters of Gemstones Quality cut Quality cut...at the Pala Chief Mine, San Diego Country, California, circa 1903. On the back of the original photograph...photograph 30 by H. C. Gordon are the words: Near view of American Gems worked ledge. Kunzite and gem tourmaline...Library of William F. Larson). The kunWhere They are Found zite (201 cts) is from the Oceanview Mine in Southern |
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| ROCKS AND MINERALS OF THE PACIFIC NORTHWEST Proceedings of the 25th Forum on the Geology of Industrial Minerals...Oregon 1990 STATE OF OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES 91 0 State Office Building...ROCKS AND MINERALS OF THE PACIFIC NORTHWEST Proceedings of the 25th Forum on the Geology of Industrial Minerals...Donald A. Haagensen Portland STATE GEOLOGIST Donald A. Hull DEPUTY STATE GEOLOGIST John D. Beaulieu C... C HRONOI.O«;Y O F TH E FOR UMS O N THE GEOLOGY OF I NDUSTRIAL MINERALS 1st 1965 2nd 1\166 Columbus |
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| belt guard and motor mount that you attach to rear of unit. • 1/3 HP, 1725 RPM thermal protected ball bearing...1/4-20 right hand canvas polishing disc o 2 grams of 14000 diamond compound o Wheel wetter watering system...belt guard and motor mount that you attach to rear of unit. • 1/3 HP, 1725 RPM thermal protected ball bearing...1/4-20 right hand canvas polishing disc 00 o 2 grams of 14000 diamond compound o Wheel wetter watering system...resin-bonded diamond belt that is mounted on a 3/8” of soft sponge rubber on a hard plastic hub wheel. All |
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| COLONIAL GEOLOGICAL SURVEYS MINERAL RESOURCES DIVISION LONDON: HER MAJESTY'S STATIONERY OFFICE 1952...NBT • ! ' . ' . . . NIINERAL RESOURCES DIVISION COLONIAL GEOLOGICAL SURVEYS Tl1e forn1er Mineral...the Statistical Section of the Imperial Institute ca1ne under the control of the Colonial Office in April...l\iineral I{esources Division, Directorate of Colonial Geological Surveys. The main purpose of the Divisio11...the industrial utilization of the n1i11eral · ra\v 1naterials of the British Colonies and Dependetjcies |
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| -ur·- _AA ~~.:.u···~n~~ Bibliography of North American Geology, 1954 ""y RUTH REECE KING and others...o·FF1C~, ',WASHiNGtdN 195 7 UNITED STATES DEPARTMENT OF THE INTERIORFRED A. SEATON, Secretary GEOLOGICAL... Nplan, Director For sale by the Superintendent of Documents, U.s. Government Prlntln!l Waahfu!lton...------------------------ '273 DI BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1954 By RUTH REECE KING and...that appeared during 1954 concerning the geology of the North American continent, including Greenland |
 | Finch, John Wellington, Bateman, Alan M., Butler, B. S., Loughlin, G. F., McLaughlin, D. H., Singewald, J. T. Jr. - Eds. (1933) Ore Deposits of the Western States. The American Institute of Mining and Metallurgical Engineers, New York. | Book |
| .. ORE DEPOSITS OF THE WESTERN ST A TES Rocky Mountain Fund Series THE PORPHYRY COPPERS By A. B...B. Parsons ORE DEPOSITS OF THE WESTERN STATES Edited by the CommiUee on the Lindgren Volume • .....Lindgren (Pronlilpie;:1. ) -r 1 -1.z ORE DEPOSITS OF THE VVESTERN STA TES T11 E Edited by ·ruE L1NDGREN... E01T10N Published by THE AilIERICAN I NSTITUTE OF :\IrnING AND METALLURGICAL ENGINEERS sponsored...C'OPYRIOnT, 1033, IJY TIit. \,1 1:m< , , l,•Tnl TE OF ) l 1s1so ,so ) I ET..i,1.1 R<.t< ,L E-.O1s1111s |
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| Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S. LOUD, MILDRED CHALLMAN...OFFICE, WASHINGTON ; 1965 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL...Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402. Price $10.75 per Set of Four...Introduction _ __ ________ ____.____________ Organization of the index__________________________ Serials _ __...GEORGIANNA D. CONANT INTRODUCTION This bibliography of North American geology lists publications that appeared |
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| ' 'l I .Cl -~j,~~Hlll ,. Fropert!J of IK5SAS Unit 7 E_arth & E_11vironme11tal Sciences fh!Jsical... Mineral Deposits of Northern Cordillera Proceedings of the Mineral Deposits of Northern Cordillera...for the Geology Division of Cl M as SPECIAL VOLUME 37 by THE CANADIAN INSTITUTE OF MINING AND METALLURGY...INSTITUTE OF MINING AND METALLURGY Suite 400, 1130 Sherbrooke St. West, Montreal, Quebec, Canada, H3A 2M8...Quebec FOREWORD "Mineral Deposits of Northern Cordillera" was the title of a symposium held December 5-7 |
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| Library of Congress Catalog Card Number: 78-26141 ISBN: 0-442-24593-9 All rights reserved. No part of this...systems—without permission of the publisher. Manufactured in the United States of America Published by Van...simultaneously in Canada by Van Nostrand Reinhold Ltd. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Library of Congress...nomenclature of its own. Nearly all began with “triv¬ ial” names, i.e., names not produced by the use of a systematic...“trivial” names and adopted names based on a system of nomenclature. Thus, for example, chemistry was forced |
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| BUTTE, MONTANA Butte, Montana Minerals, Mines and History The Mineralogical Record Volume 33 • Number...Printing & Mailing Cadmus Journal Services Single Copies of this issue are available, while supply lasts, at...copy plus $1 postage (softcover). A limited edition of 300 copies hardcover will be available, while supply...Record [ISSN 0026-4628] is a bimonthly publication of the Mineralogical Record Inc., a non-profit organization...crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection; Jeff Scovil |
 | | Book |
| for Exploration of the Atomic Energy Commission. It covers with authority the geology of these minerals...to use in exploration and the evaluation of the results of successful searching. Comprehensive illustration...and white aid the presentation. The organization of the contents is designed to make the book equally...deposits that are the sources and potential sources of uranium, thorium and beryllium, with full attention...description of the identifying marks of likely deposits. Part Two is a comprehensive survey of the various |
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| science for a changing world Preliminary release of scientific reports on the acidic drainage in the...with the North American Stratigraphic Code. Any use of trade, firm, or product names is for descriptive...endorsement by the U.S. Government. U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY 1 Denver Federal...Federal Center, Denver, Colorado 80225 Table of Contents Chapter 1. Geologic control on acidic and metal-rich...............................1-1 Chapter 2. Pre-mining bed sediment geochemical baseline in the Animas |
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| QUARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Russia's Lomonosov Diamond Mine Carbonado Diamond...Diamond PL Mapping of Optical Defects in HPHT Synthetics Sapphire Inclusions Chart Editorial Staff Editor-in-Chief...S. Keller Customer Service Subscriptions Copies of the current issue may be purchased for $29.95 plus...Index—Expanded, including the Web of Knowledge) and other databases. For a complete list of sources abstracting G&G...Robert E. Kane Guanghai Shi London, UK Helena, Montana Beijing, China John L. Emmett Stefanos Karampelas |
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| JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Characterization of Montana Sapphire Morphology of Colombian...ARTICLES 2 p. 20 Gemological Characterization of Montana Sapphire from the Secondary Deposits at Rock...Richard B. Berg Examines the mining history and geological characteristics of the three secondary sapphire...sapphire deposits in the state of Montana, as well as the properties of these sapphires (unheated and heat-treated)...heat-treated). 46 Morphology of Colombian Emerald: Some Less Common Cases and Their Growth and Dissolution |
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| Mozambique History of Diamond Treatments VOLUME 44 NO. 1 Purple Diamonds THE QUARTERLY JOURNAL OF THE GEMOLOGICAL...GEMOLOGICAL INSTITUTE OF A MERICA ® Spring 2008 VOLUME 44, NO. 1 EDITORIAL ________ 1 The Dr. Edward...Riccardo Befi, and Alexander U. Falster The geology, mining, and properties are described for this tourmaline...heat treatment. pg. 14 32 Carat Points A History of Diamond Treatments Thomas W. Overton and James E...the history, characteristics, and identification of diamond color and clarity enhancement techniques |
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| Critical Mineral Resources of the United States— Economic and Environmental Geology and Prospects for...1802 U.S. Department of the Interior U.S. Geological Survey Periodic Table of Elements 1A 8A 1 2...from Los Alamos National Laboratory Chemistry Division; available at http://periodic.lanl.gov/images/periodictable...permanent magnets composed of neodymium-iron-boron. Photograph courtesy of Iberdrola Renewables, Inc....and mechanical components made of beryllium alloys. Photograph courtesy of the U.S. Air Force. Flat-panel |
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| -vV > ffif mmm m -j Ipreaenteo to of tbe TTlniversits of Toronto bB J. B- U^»v>OlX1 Sa^ ( 3s~cX*...Bingham, Utah, Mining Black Sand Page. Abbott, James W A Visit to Ely, Nevada Mining at Bingham, Utah...Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The Requirements of Modern Mining 70S 52...In 574 Them 284 Those Bob-Tailed Words Letters of a Seir-Made Miner to His New Foreman 431 Alderson...(I, II, III, Ilia Work with IV) A Clever Bit of Engineering Blake. J. R Blast-Furnace Boundary |
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| "^'^^S'''^^^''^ 107 V, '^'^M^i^ JULY TO DECEMBER 1913 Mining and 429 MARKET STREET Scientific Press SAN FRANCISCO...FRANCISCO, CALIFORNIA^ 1'^ h i* zcv >- IIMDEX: Page. of Costa Rica Abanearez Gold Fields 206, 358, 511...Mines, Ltd., company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, Editorial. Accident...prevention . . . Queen Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper...Accidents, coal-mine in United States Compensation for Workingmen's compensation Acid mine water Acidity |
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| quarterly journal of the Gemological Institute of America SPRING 1985 Volume 21 Number 1 TABLE OF CONTENTS...FEATURE ARTICLES Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Araquai Districts Keit-h... NOTES * AND NEW TECHNIQUES Altering the Color of Topaz Kurt Nassau 35 A Preliminary Report on the...-- ~p -- - ABOUT THE COVER: Because of the wide vnriety of colors in which it occurs, and its attractiveness...bicolored tounnaline (12.90 ct), all from the Himalaya mine (California). Thestones were faceted by PalaInteri~ntional |
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| 2015 VOLUME LI THE QUARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Colombian Trapiche Emeralds...HPHT-Grown Synthetic Diamonds Diamonds from the Letšeng Mine Fall 2015 VOLUME 51, No. 3 EDITORIAL 221 Trapiche...Paul Johnson, and Wuyi Wang Examines a new source of colorless and near-colorless gem-quality HPHT synthetic...history, geology, and current production of this unique source of large diamonds. NOTES AND NEW TECHNIQUES...TECHNIQUES 300 Origin Determination of Dolomite-Related White Nephrite through Iterative-Binary Linear Discriminant |
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| 3> ^tv- Xhe Mining Magazine nj Edited by T. A. RICKARD. PUBLISHED AT SALISBURY HOUSE, LONDON...1914. Exi'LAXATORY NoTK Items in italics are names of books reviewed illustrated articles are denoted by...Asterisks (*) the letters (c./.) refer to notices of articles under the heading 'Current Literature' the...letters (p. (.) to abstracts appearing in 'Precis of Technology.' ; ; ; PA«E *4 Abbontiakooii Abosso...Gold Abosso, Progressat Report Characteristics of Refined Copper Addicks, L S. Croasdale Ajo, Copper |
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| JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Burmese Sapphire and Peridot from Mogok History of Emerald...Emerald Mining at Habachtal, Part I New Regular Feature: Colored Stones Unearthed Winter 2021 VOLUME 57...Sapphire and Peridot from Mogok and a History of Emerald Mining in Habachtal, Austria Duncan Pay FEATURE...gemological analysis of blue Burmese sapphires from Mogok, based on a series of field expeditions over...the last decade. 318 Gemological Characterization of Peridot from Pyaung-Gaung in Mogok, Myanmar Montira |
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| Geochemistry, Mineralogy and Mineral Beneficiation of Platinum-Group Elements Edited by Louis J. Cabri...Geological Society of CIM as CIM SPECIAL VOLUME 54 by CANADIAN INSTITUTE OF MINING, METALLURGY AND PETROLEUM...PETROLEUM COPYRIGHT © 2002 CANADIAN INSTITUTE OF MINING, METALLURGY AND PETROLEUM Suite 1210, 3400 de...de Maisonneuve Boulevard West Montréal, Québec, Canada H3Z 3B8 ISBN 1-894475-27-5 Papers in this volume... T., 2002. Platinum-group element mineralization of the Great Dyke, Zimbabwe. In The Geology, Geochemistry |
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| National Zoological Park. The total number of artifacts, works of art, and specimens in the Smithsonian’s...estimated at 138 million, much of which is contained in the National Museum of Natural History, which holds...Department of Mineral Sciences and Curator, National Gem and Mineral Collection. National Museum of Natural...Copyright © 2016 Dorling Kindersley Limited DK, a Division of Penguin Random House LLC Foreword copyright @...the rights under copyright reserved above, no part of this publication may be reproduced, stored in, or |
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| Petrology of the Northern Elkhorn Mountains I I Jefferson and Broadwater Counties, Montana GEOLOGICAt...SURVEY PROFESSIONAL Prepared partly, on behalf of the U.S. Atomic Elnergy Commission I I I I I...Petrology: of the Northern Ell(horn Mountains Jefferson. and Broadwater CountieS, Montana By HARRY w...PROFESSIONAL PAPER 510 Prepared partly o behalf of the U.S. Atomic Ene gy Commission UNITED STATES... WASHINGTON : 1966 1 UNITED STATES DEPARTMENT OF THE INTERIOR 1 ,1 I I I STEW ART L. UDALL, Secretary |
