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| Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...associations of quartz found throughout the state rank it as one of the premier worldwide localities for that...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...metamorphic rocks to high plains composed of sediments. The elevation ranges from 3,350 to 14,431 feet above...hundred mountain peaks exceed ing 11,000 feet, the average elevation is above 6,800 feet. This diversity |
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| The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith...southwestern Colorado and covering over 31,000 square kilometers, the San Juans are some of the highest and...and most rugged mountains in the state. Hundreds of peaks rise above 13,000 feet, including about a dozen...dozen that exceed 14,000 feet in elevation. For the past 250 years, men have sought to extract gold and |
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| [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...MINERALS S phalerite, (Zn,Fe)S, can be one of the more desirable mineral species for collectors and...been found at Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...crystallizes in the hextetrahedrat class of the cubic system and occurs in many diverse forms, of which the tetrahedron |
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| [714]494-7695 PyRESC AVE1KJB CPACX affiliated with the Friends of Mineralogy lv|ineralogical RccorcT publisher...Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................A. Kosnar Famous mineral localities: the Home Sweet Home mine ................................................. 339 by M. I. Jacobson The San Juan Mountains of Colorado ................................ |
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| Beach, CA 9 2 6 5 2 The Mineralogies! Record Inc. is a non-profit organization The Mineralogies! Record...Record magazine is published by the Mineralogtcal Record Inc., 7413 N. Mowry Place Tucson, Arizona 85741...Arizona 85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona...........................discoveries in Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County...County, Colorado ........................ 103 by T. Rosemeyer, E. Raines & R. Stoufer Departments Notes |
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| Photographs January/February: Galena, Tri-State district, Kansas. Smithsonian Institution specimen; Chip...photo. March/April: Quartz, Middleville, Herkimer County, New York. John C. Medici specimen and photo. May/June:...May/June: Turgite, Graves Mountain, Lincoln County, Georgia. Ronald E. Bentley specimen and photo. July/August:...July/August: Quartz, H. deLinde No. 4 mine, High Peak, Montgomery County, Arkansas. Private collection; Ronald...Bentley photo. September/October: Barite, Otero County, Colorado. Dan and Dianne Kile specimen; John Muntyan |
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| » tes MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om... RO2THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes...rights reserved. No part of this work covered by the copyright hereon may be reproduced or used in any...retrieval systems—without permission of the publisher. Manufactured in the United States of America Published...Richard Walker. Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes |
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| iittl"o4u.ctioit by Wendell Wil@on A Supplement to the Mineralogical Record, No1Jember-December 2014 _...- - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December...Circulation Director: Thomas M. Gressman Publi shed by The Mineralogical Record, lnc. 5347 N. Ridge Spring Place...shipping Hardcover: $70 plus shipping Order through The Bookstore at www.MineralogicalRecord.com Frontcover...amazonite, 11.8 cm, from the "Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; |
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| CARNELIAN TOURMALINE OPALS • AOATI • • AMETHYST URINE • • BERYL MOONSTONE CITRINE GEM...MacFail The American average gems something as from a far close at hand imported rare, The land...valuable For the mountain ranges and level for the ist to States contain a United plains of the great...unearth them and fashion them into lovely jewels. The Gem Hunter's Guide, with comprehensive listings...country, is the its locations of in key which unlocks this treasure chest for the hobbyist or |
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| Mineral at the 1994 Denver Show Figure I (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John...most common minerals, is found in deposits all over the world. Wellcrystallized specimens are reported from...from Quiruvilca and other Peruvian localities; the Isle of Elba; Mexico; Czechoslovakia; Italy; Norway; |
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| Mineral--Vol 16 No. 10 October 2000 The M ineral Collector's , f ' Denver Shows 2000 Lanny R. Ream...things were quiet, the show was not officially open, there were few people in the hallways at any time...with rooms opening doors before the official 9:00 AM opening, soon the halls were often bustling with...with mineral collectors. Then o n Thursday the morning lowed aga in, wi th few doors open by 9:30; J wondered...changed time zones in the middle of the night. Soon doors a vere open, but the traffic fl ow was kind |
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| Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...ranging from the gold and silver that first brought prospectors and other adventurous pioneers to the state...state, to the other ore and gangue minerals of hydrothermal veins, of pegmatites, of regionally and contact...sedimentary rocks. This article surveys some of the state’s best-known mineral localities, with an emphasis |
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| PROJECTS: MA XIMIZING RESULTS OF TUMBLING TIME THE EARTH’S TREASURES • MINERALS & JEWELRY SPECTACULAR...• July 2020 Display until 7/21/2020 • Printed in the U.S.A. 07 0 74470 02033 2 VOL. 50 ISSUE 07 •...906-563-7143 Visit our website www.kingsleynorth.com SCAN THE QR CODE® WITH ANY READER. SCAN ME VOL. 50 NO....Antoinette Rahn 50 SUMMER IN THE SAN JUAN MOUNTAINS (PART II) 56 Gold, Quartz, The Hope Diamond, And a Cast...Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS Field Notes ...................... |
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| JanuaryEebruary: Cerussite and fluorite, Blanchard mine, Socorro County, New Mexico. Peter J. Modreski photo. MarchlApril:...MarchlApril: Wulfenite, Red Cloud mine, Arizona. Vienna Natural History Museum specimen, 0. Medenbach...Medenbach photo. May/June: Legrandite, Ojuela mine, Mapimi, Durango, Mexico. Houston Museum of Natural Science...chalcopyrite, and quartz, Sweet Home mine, Alma, Park County, Colorado. Martin Zinn specimen, Jeffrey Scovil... NovemberDecember: Silver, Bulldog mine, Mineral County, Colorado. F. John Barlow specimen, Malcomb Hjerstedt |
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| Page Mineral News Vol. 39, No. 12 December, 2023 The Mineral Collector’s Newsletter $6.00 National Bureau...“Bureau of Standards” labels (see figure 1). Among the more esoteric compounds, there were several mineral...significant part of Excalibur’s business is supported by the research community that often requires mineral standards...analytical work. For example, when the Mars rover (Curiosity) uncovered the mineral jarosite, KFe3+3(SO4)2...post-docs wishing to study the terrestrial equivalent of what Curiosity had found in the Gale Crater (see figure |
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| R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...manuscripts are welcome. Acceptance is subject to the approval of the editor. Foreign Payments Remittance may be...be made in local currency, without surcharge, to the following people: Canada: Mrs. J. W. Peat 36 Deepwood...1983 Volume Fourteen, Number Three Articles Across the San Juan Mountains ........................................157 by C. Albertini Sellaite from the Brumado mine ......................................... |
 | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) |
| ECONOMIC GEOLOGY AND BULLETIN VOL. 74 THE OF THE SOCIETY OF ECONOMIC GEOLOGISTS JANUARY--FEBRUARY... Genesisof Ore Depositsin the SanJuanVolcanicField, Southwestern Colorado LeadIsotopeEvidence B. R. DOE...S. FISIIER Abstract In the San Juan volcanic area of southwesternColorado,the isotopiccompositionof lead...2ø7Pb/2ø•Pb;and 37.21 to 38 for ')øSPb/•ø4pb.]•xam{nation of the lead isotopedata indicatesthat once depositionof...conclusionis supported by the relatively constantisotopiccompositionof the lead in theseores, which is |
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| DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTI8 SMITH, DIRECTOR BULLETIN 585...585 USEFUL MINERALS OF THE UNITED STATES COMPILED BY SAMUEL SANFORD AND RALPH W. STONE WASHINGTON...GOVERNMENT PRINTING OFFICE 1914 USEFUL MINERALS OF THE UNITED STATES. Compiled by SAMUEL SANFORD and RALPH...By EDWARD W. PARKEH. The final chapters of two of the earlier volumes of the Geological Survey's annual...Resources of the United States" (the volumes for 1882 and 1887) consist of lists of the useful minerals |
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| Downloaded by [The University of Manchester Library] at 23:52 19 November 2014 A Tour JACK A. MURPHY...Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @ dmns.org PETER...Survey MS 150, Box 25046 Federal Center Denver, Colorado 80225-0046 pmodresk @ usgs.gov Unless otherwise...noted, all photos by Jack Thompson of specimens from the Denver Museum of Nature and Science (DMNS; DMNH prior...gemstone tour around Colorado! Our field trip takes us from east to west in the same way you may have |
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| Massachusetts, where he met Bart Jacob of Bedford, New York. The two became great friends through their shared interest...birds, snakes, and anything else concerning the outdoors. In the summer of 1944, Bart invited John to his...minerals. One hot summer day the two young men decided to go swimming in one of the old, abandoned feldspar...feldspar quarries close to Bart’s home. On the road to the quarry John found what turned out to be a beautiful...specimen became catalogue no. 1 of the more than four thousand specimens in the John Marshall collection.) From |
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| EUREKA! Self-Collected Minerals A Supplement to The Mineralogical Record, May-June 2022 EUREKA! U Self-Collected...Introduction and Epilog by Wendell Wilson A Supplement to the Mineralogical Record, May- June 2022 EUREKA! Self-Collected...Self-Collected Minerals A Supplement to The Mineralogical Record May-June 2022 Volume 53, number 3 Publisher...Circulation Manager: Christi Cramer Published by The Mineralogical Record, Inc., © 2022 5347 N. Ridge...85749 Softcover: $40 plus shipping Order through The Bookstore at www.MineralogicalRecord.com Front cover: |
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| Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...A summary of the first 100 years of published knowledge) including the chief occurrences of 445 mineral...WASHINGTON : 1961 'UNITED STATES DEPARTMENT OF THE INTERIOR CECIL D. ANDRUS, Secretary GEOLOGICAL...printing 1961 Second printing 1978 For sale by the Branch of Distribution, U.S. Geological Survey, 1200...knowledge____________________________________ Future of Colorado mineralogy______________________________________ |
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| collectors introduced to the hobby through the lapidary arts, rhodonite may well have been the first pink mineral...Wales, Australia. The recent discovery of fine gem-quality rhodonite in one of the traditional manganese...varies from vitreous to somewhat pearly. It has the characteristic cleavage of pyroxene and pyroxene-like...Minerals, is a professor of geology and head of the Department of Geology and Geography at Auburn University...suggestions for this column and can be contacted at the addresses above. 264 ROCKS & MINERALS Lamellar |
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| BLUE: CELEBRATING PANTONE’S COLOR OF THE YEAR IN GEMSTONES THE EARTH’S TREASURES • MINERALS & JEWELRY...2020 CAPTIVATED BY CREEDE Evolution of a Silver-Mining Boomtown METAMORPHIC INDEX MINERALS ROCK & GEM...2020-06 • June 2020 Display until 6/23/20 • Printed in the U.S.A. 06 0 74470 02033 2 Unveiling Secrets... 50 NO. 06 • JUNE 2020 10 SILVER MINING SURVIVOR Creede Colorado Navigates Economic Transition While...20 SOUTHWEST SUMMER Exploring San Juan Mountain Mining History 50 FIELD TRIP FOCUS Making Memories and |
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| 23 No. 12 December 2007 The Mineral Collector's Newsletter $3.00 The Rock Dam Gold Prospect A New...markelder@juno.com The Rock Dam gold prospect is located in central Dickinson County, Michigan, approximately...approximately ten kilometers north of the village ofQuinnesec (See map on page 5). The diggings (test pits and short...outcrops of the Early Proterozoic Sturgeon Quartzite Formation (Marquette Range Supergroup ), the dominant...bedrock in this part of the county. Excavated near the tum of the 20th century, the prospects themselves |
