 | | Report (issue) | | WYOMING STATE GEOLOGICAL SURVEY Ronald C. Surdam, State Geologist SEARCHING FOR PLACER DIAMONDS by...LARAMIE, WYOMING 2004 WYOMING STATE GEOLOGICAL SURVEY Ronald C. Surdam, State Geologist GEOLOGICAL SURVEY...Likwartz, Oil and Gas Supervisor Ronald C. Surdam, State Geologist Appointed Ronald A. Baugh, Casper Gordon...and other publications available from: Wyoming State Geological Survey P.O. Box 1347 Laramie, WY 82073-1347...publication should contact the Editor, Wyoming State Geological Survey at (307) 766-2286. TTY Relay operator |  | Schulze, Daniel J., Coopersmith, Howard G., Harte, Ben, Pizzolato, Lori-Ann (2008) Mineral inclusions in diamonds from the Kelsey Lake Mine, Colorado, USA: Depleted Archean mantle beneath the Proterozoic Yavapai province. Geochimica et Cosmochimica Acta, 72 (6) 1685-1695 doi:10.1016/j.gca.2007.09.037 | Journal (article/letter/editorial) | | inclusions in diamonds from the Kelsey Lake Mine, Colorado, USA: Depleted Archean mantle beneath the Proterozoic...Associates, P.O. Box 1916, Fort Collins, CO 80522, USA School of GeoSciences, Grant Institute of Earth Science...the Kelsey Lake Mine in the Colorado-Wyoming State Line Kimberlite district. Eighteen olivines, seven Cr-pyropes...contrast to the other diamond suites studied in the State Line district (Sloan, George Creek), which...worldwide, but unlike the more Fe-rich (lherzolitic) Sloan olivine suite. Mg-chromites (wt% MgO = 12.8ā13.8; |  | | Journal (article/letter/editorial) | | Significance of Ilmenite Megacrysts and Macrocrysts from Kimberlite a a b Daniel J. Schulze , Patrick F. N. Anderson...Significance of Ilmenite Megacrysts and Macrocrysts from Kimberlite, International Geology Review, 37:9, 780-812...Significance of Ilmenite Megacrysts and Macrocrysts from Kimberlite D A N I E L J. S C H U L Z E , P A T R I C K...magnesite megaĀ crysts during kimberlite ascent may have enriched kimberlite hosts in Mg, contributing to...suggesting that the oxidation state of the kimberlite, and thus its potential for diamond resorption, can be overestimated |  | | Book | | Bottom 3 4 5 1 DIAMOND DEPOSITS Origin, Exploration, and History of Discovery 2 Top 6 Top Bottom...Bottom 7 3 4 5 Bottom 2 Bottom 1 2 EDWARD I. ERLICH W. DAN HAUSEL SME diamond_title2 9/3/02 9:29...9:29 AM Page 1 DIAMOND DEPOSITS Origin, Exploration, and History of Discovery EDWARD I. ERLICH W. DAN...Society for Mining, Metallurgy, and Exploration, Inc. Ā© 2002 by the Society for Mining, Metallurgy,... Society for Mining, Metallurgy, and Exploration, Inc. (SME) 8307 Shaffer Parkway Littleton, CO, USA 80127 (303) |  | Schulze, Daniel J., Valley, John W., Spicuzza, Michael J., Channer, Dominic M. DeR. (2003) Oxygen Isotope Composition of Eclogitic and Peridotitic Garnet Xenocrysts from the La Ceniza Kimberlite, Guaniamo, Venezuela. International Geology Review, 45 (11) 968-975 doi:10.2747/0020-6814.45.11.968 | Journal (article/letter/editorial) | | Peridotitic Garnet Xenocrysts from the La Ceniza Kimberlite, Guaniamo, Venezuela Daniel J. Schulze , John...Peridotitic Garnet Xenocrysts from the La Ceniza Kimberlite, Guaniamo, Venezuela, International Geology Review...Peridotitic Garnet Xenocrysts from the La Ceniza Kimberlite, Guaniamo, Venezuela DANIEL J. SCHULZE,1 Department...Wisconsin 53706 AND DOMINIC M. DER. CHANNER Guaniamo Mining Company, Centro Gerencial Mohedano, 9D Urb. La...heavy mineral concentrate from the La Ceniza kimberlite, approximately 23% of the garnet xenocrysts are |  | Griffin, W.L., O'Reilly, Suzanne Y., Doyle, B.J., Pearson, N.J., Coopersmith, H., Kivi, K., Malkovets, V., Pokhilenko, N. (2004) Lithosphere mapping beneath the North American plateā. Lithos, 77 (1) 873-922 doi:10.1016/j.lithos.2004.03.034 | Journal (article/letter/editorial) | | Sydney, NSW 2109, Australia b CSIRO Exploration and Mining, North Ryde, NSW 2113, Australia c Kennecott Canada...V6C 1S4 d Great Western Diamond Co., PO Box 1916, Fort Collins, CO 80522, USA e Kennecott Canada Exploration...2003; accepted 17 February 2004 Available online 2 June 2004 Abstract Major- and trace-element analyses...Laurentian continental core (W. Greenland, Colorado ā Wyoming district, Arkansas) show discontinuities and gaps...beneath the Colorado Plateau is significantly less refractory. The SCLM beneath the Kansas kimberlite field |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | 5 1/4" (2)) 89-0206-C disk (Wordstar; 1.2 mb, 5 1/4") 89-2026-D disk (Wordstar; 1.44 mb, 3 1/2") 1989...Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...(Wordstar; 89-0206-C 89-0206-D data file disk 360K, 5V, 2 disks) data file disk 1.2 megabyte, 5V) data file |  | | Book (volume) | | Kimberlites, Diatremes, and Diamonds.- Their Geology, Petrology, and Geochemistry Henry O. A. Meyer...AmericanGeophysicalUnion Washington,D.C. 20009 1979 Kimberlite Conference Preface Since the first edition...was published in 1979, the Third International Kimberlite Conference was held in Clermont-Ferrand in 1982...concerning rocks now misleadingly referred to as Kimberlite will be removea. Diamonds received attention...diamonds anā¢ kimberlite are genetically related. And this in spite of the fact that the richest diamond-bearing |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Book | | petrology. Bibliography: p. Includes index. I. Kimberlite. I. Title. QE462.K5M58 1986 552' .3 ISBN 978-1-4899-0570-3...critique of the advances which have been made in kimberlite studies over the last twenty-five years. Kimberlites...mantle, to volcanologists pondering the origins of diatremes, to exploration geologists seeking new occurrences...in this book will serve to stimulate further kimberlite studies. Some of the hypotheses discussed will...University and for his help in the continuance of my kimberlite research. This book would not have been possible |  | | Journal (article/letter/editorial) | | Copyright Ā© 2001 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/01 $20.00 ā«¹ .00 Pergamon...in Cr-poor megacrysts from kimberlite DANIEL J. SCHULZE,1,* JOHN R. VALLEY,2 DAVID R. BELL,3 and MICHAEL...L5L 1C6 2 Department of Geology and Geophysics, University of Wisconsin, Madison, WI 53706, USA Geophysical...Institution of Washington, Washington, DC 20015, USA and Department of Geological Sciences, University...Cr-poor megacrysts from kimberlite demonstrate that the megacrysts and kimberlite hosts are genetically |  | | Journal (article/letter/editorial) | | 2175-2179 DIAMOND ECLOGITE FROM SLOAN RANCH, COLORADO, AND ITS BEARING ON THE DIAMOND GRADE OF THE...THE SLOAN KIMBERLITE DaNtEL J. SCHtmZE Departmentof Geology,University of Toronto,ErindaleCollege,Mississauga...however,and the true primary growth forms. One diamond is broken. Features rehostrocksof diamondarethe...concernsa diamondeclogitefrom the Sloan 2 kimberlite in northern Colorado. The chemical characteristics of...of its constituent minerals and its diamond-rich character bear on the factors control- ling the abundance |  | | Book (volume) | | and Other Volcanics SECOND INTERNATIONAL KIMBERLITE CONFERENCE SPONSORS American Geophysical ...International Volume 2 AmericanGeophysicalUnion Washington,D.C. 20006 1979 the Second Kimberlite Conference ...of diamond will find much to excite them in Volume I of these Proceedings--Kimberlitesā¢ Diatremes and...primarily a book about the bus. Papers contained Kimberlite this in these volumes were presented at the...of mantle models developed through study of kimberlite xenoliths, basalt xenoliths and through geophysical |  | (Fanus) Viljoen, K.S., Dobbe, RenĆ©, Smit, Braam, Thomassot, Emilie, Cartigny, Pierre (2004) Petrology and geochemistry of a diamondiferous lherzolite from the Premier diamond mine, South Africa. Lithos, 77 (1) 539-552 doi:10.1016/j.lithos.2004.03.023 | Journal (article/letter/editorial) | | of a diamondiferous lherzolite from the Premier diamond mine, South Africa K.S. (Fanus) Viljoen a,*, ReneĢ...de Physique du Globe and UniversiteĢ de Paris 7, 2 Place Jussieu, T54-64 E1, 75251 Paris, Cedex 05, France...diamondiferous peridotite xenolith from the Premier diamond mine in South Africa. The xenolith is altered with...olivine and orthopyroxene. Garnets are in an advanced state of kelyphitisation but partly fresh. Electron microprobe...than 500 ppm and variable nitrogen aggregation state, from 20% to 80% of the āBā form. When plotted on |  | | Book | | ABSTRACTS contributed to THE SECOND INTERNATIONAL KIMBERLITE CONFERENCE Bishop's Lodge, Santa Fe, October...ā ā¢A- V\ f I ' , A. DIAMONDIFEROUS SOUTHERN KIMBERLITE OF THE WAJRAKHARUR AREA, INDIA. Jagannadham...Lawrence Although diamond has been known in India from antiquity the presence of kimberlite has been the subject...hosts of diamond at Panna and Wajrakharur were described, but were discounted as being kimberlite (Foote...and Mehr, 1953) but generally conĀ¬ sidered that kimberlite was not present. However, in 1963 Rao and Phadtre |  | | Book | | bibliographical references and index. 1. Kimberlites. 2. Kimberlites - Inclusions. I. Title. II. Series. QE462...one? First, in this book I have concentrated on kimberlite as an individual rock-type and a sampler of the...aspects of kimberlite and upper mantle geology; as a result I have not attempted to describe diamond prospecting...prospecting and mining and, although I have attempted to give some of the up-to-date views on xenolith petrology...Volumes of the two International Conferences on Kimberlite held at Capetown in 1973 and Santa Fe in 1977 |  | | Journal (article/letter/editorial) | | 197 4. Index II. Geographical index for Arizona, 2. Bibliography 197 Nevada, and New Mexico 208 3. Index...variations have been noted in the gazetteer. Where county boundary lines have been changed since a reference...written, the locality has been listed under the county in which it is found today. A fairly extensive...extensive survey has been made of the geological and mining literature published through 1949 hi compiling the...the standard American and English geological and mining publications have also been reviewed upon the early |  | | Report (issue) | | Ellen Mullen Morris Department of Geology Sul Ross State University Alpine, Texas 79832 Jill Dill Pasteris...Inc. 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301 Printed in U.S.A. GSA Books Science Editor...and index. ISBN 0-8137-2215-2 1. Metasomatism (Mineralogy)--Congresses. 2. Earth-Mantle-Congresses. 3...ophiolite, eastern Oregon. Crossed nicols; area shown is 2 mm x 2.6 mm. (Photo by Ellen M. Morris) Contents...Koseluk, and Matthias Rosenhauer The mantle redox state; An unfinished story? Interpretation of the sulfide |  | | Book | | International Kimberlite Conference / / y Digitized by the Internet Archive in 2018 with funding from...org/details/sixthinternation06inte SIXTH INTERNA TIONAL KIMBERLITE CONFERENCE Novosibirsk, August 1995 EXTENDED...Organizing Committee of the 6th International Kimberlite Conference takes no responsibility for authors...authors errors and omissions. SIXTH INTERNATIONAL KIMBERLITE CONFERENCE Organizing committee Chairman: N...(Novosibirsk) International Treasurer: H.O.Meyer (USA) Local Treasurer: 0 AKozmenko (Novosibirsk) Members: |  | | Book | | org/details/seventhinternati07inte SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE Cape Town, April 1998 EXTENDED ABSTRACTS...Organising Committee of the 7th International Kimberlite Conference takes no responsibility for authorsā...omissions. SOUTH AFRICA SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE SPONSORS The 7IKC Organising Committee...recently discovered kimberlites of the Siberian kimberlite province. 9 K - rich clinopyroxenes as mantle... 20 Three-Stage Growth Model of the Natural Diamond of Octahedral Habit. 23 Petrography and mineralogy |  | | Journal (article/letter/editorial) | | material. International Geology Review. Vol. 42. 2(XX). p. 534-544. Copyright Ā© 2000 by V. H. Winston...in high P-T estimates for Monastery and Argyle diamond inclusions. Estimates also are lower for the host...suggests differences in re-equilibration between the diamond inclusions and their host xenoliths. The results... 2Ca 3 Al 2 Si 3 O 1 2 + Mg 3 Al 2 Si 3 O 1 2 ā grossular (Gross) pyrope (Pyr) 3CaMgSi 2 O 6 + 3CaAlAlSiO...W v Di-En X DI , (6) where X DI =Ca M2 Mg M1 Si 2 /Ī£ Calibration of the Barometer X TS =Ca M2 Al M1 |  | Griffin, W. L., Fisher, N. I., Friedman, J., Ryan, C. G., O'Reilly, S. Y. (1999) Cr-Pyrope Garnets in the Lithospheric Mantle. I. Compositional Systematics and Relations to Tectonic Setting. Journal of Petrology, 40 (5) 679-704 doi:10.1093/petroj/40.5.679 | Journal (article/letter/editorial) | | MACQUARIE UNIVERSITY, NSW 2109, AUSTRALIA 2 CSIRO EXPLORATION AND MINING, PO BOX 136, NORTH RYDE, NSW 2113,...STATISTICS, STANFORD UNIVERSITY, STANFORD, CA 91045, USA RECEIVED JANUARY 12, 1998; REVISED TYPESCRIPT ACCEPTED...divided into three major groups (Archon, [2Ā·5 Ga; Proton, 2Ā·5ā1 Ga; Tecton, <1 Ga) depending on the age...garnet; mantle; lithosphere; trace elements; kimberlite; lamproite; tectonothermal age KEY WORDS: INTRODUCTION...the Museum Comp Zoology, Harvard University on July 2, 2015 W. L. GRIFFIN1,2ā, N. I. FISHER1,3, J. FRIEDMAN4 |  | | Report (issue) | | granitic rocks. Other uranium minerals found in the state include: carnotite, tyuyamunite, autunite, torbernite...prospect; and the West Willys claim in the Washington district. No estimate has been made of thorium reserves...(fig. 2). (Figure 2 shows only 17 localities, because nine properties in the Washington district are shown...deposit in Pershing County, which has large reserves of low-grade torbernite-bearing rock; (2) the Green Monster...Monster mine in the Goodsprings district, Clark County, which shipped 5 tons of ore containing kasolite |  | | Report (issue) | | Geology by JOHN F. SPLETTSTOESSER and SALLY A. SLOAN Minnesota 1962 .. University of Minnesota Minneaota...GEOLOGY by John F. Splettstoesser and Sally A. Sloan Minnesota 1962 CONTENTS Foreword . . . . ....M. E., Mining Geology Geophysics Div. Ann. Mtg. Abs. Tech. Papers. American Institute of Mining and Metallurgical...Metallurgical Engineerings, Mining Geology and Geophysics Division, Annual Meeting, Abstracts of Technical...Papers. A. I. M. E. Trans. American Institute of Mining and Metallurgical Enginee r 8 Transactions. Am |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...from the C en ten n ia l Eureka m in e, T intic district, Juab C ounty, U ta h ..........................and about 13 x 18 inches across; it stands about 2 feet tall. The sixdrawer unit (model 19-26-6) has...casually to the collecting o f ālarge showy specimens, 2 x 3 specimens, thumbnails and micro mounts.ā He does...in common use today 162 (āminiatureā for under 2 x 2 and ācabinet specimenā for over that size) were |
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