 | | Report (issue) | | between footwall and hanging wall seams, Carroll mine.______--_-_____________________________________...Cross section through Crooks Gap area, Fremont County, Wyo__ __________-______-___--_--__------------_...side of roll, Rex No. 1 mine- ______ 50. Fault in back of stoped-out ore roll, Rex No. 1 mine- ___---___...1). feet wide, in fault at east end of ore roll, Rex No. 1 mine_-_-------_-----_-----52. View east of...of Eocene age in uplifted fault block at RanRex mine.- _____________________________________________ |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...for several generations. That word of Pikes Peak gold began to circulate, a quick and easy story, with...scope of this mining economy. There simply was no other ecoThe initial Front Range-area gold discoveries |  | | Report (issue) | | Bibliography and Index of Colorado Geology 1981 1982 by American Geological Ā· Institute Colorado Geological Survey...Resources Denver, Colorado I 1983 Information Series 19 BIBLIOGRAPHY AND INDEX OF COLORADO GEOLOGY 1981-1982...Geological Institute Colorado Geological Survey Department of Natural Resources Denver, Colorado 1983 ii CONTENTS...ā¢ ā¢ . . . . . ā¢ ā¢ . ā¢ ā¢ ā¢ . . ā¢ . . ā¢ ā¢ . 47 County Index............................................Geological S Institute, Falls Church, Virginia. Colorado Geological This volume contains 595 citations |  | | Journal (issue) | | Radioactivity and Rockhounding SAN JUAN MOUNTAIN SUMMER Gold, Diamonds, and A Cast of Characters TANTALIZING...50 SUMMER IN THE SAN JUAN MOUNTAINS (PART II) 56 Gold, Quartz, The Hope Diamond, And a Cast of Characters...SILVER BOULDER TREASURES An Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS.......18 Chance Encounter Creates Opportunity to Mine for Variscite By Helen Serras-Herman 20 CRYSTAL...giveaway is the heart-shaped cabochon, cut from Apache Gold, shown above. This cabochon giveaway came about |  | | Journal (article/letter/editorial) | | PlacerGoldDerivedfrom the Northeastern Part of the Colorado Mineral Belt GEORGE A. DESBOROUGH, WILLIAM H....IAGMIā¢ Abstract Placer gold grains from the modern streams originating in the Colorado Mineral Belt were examinedfor...mean silver contentof the interior of the placer gold grains from each locality and (or) the variation...distinguishinglode sources and gold mining districts. Microprobe analysis of the interior of gold grains is independentof...chemicalactionsthat affect the border of placer gold grains during their transport history, and it is |  | | Report (issue) | | plains. They lie in the southern half of Chouteau County, Mont., between Milk and Missouri rivers, about...the development of slopes in every part of the- district. This intense erosion has cut down the igneous...report; to the prospectors and ranchers of the district, who have been uniformly courteous in facilitating...of very little importance, although some coarse gold lias been recovered by panning and crude sluice...were reported as having been picked up within the district were brought to Havre and Chinook, no vein of |  | | Catalog/List | | Design District Showroom 1518 Slocum Street ā¢ Dallas, TX 75207 Heritage Auctions Design District Showroom...colossal Gold nugget from Australia, weighing a massive 116.48 troy ounces; a gorgeous crystalline Gold from...from the famous 16 to 1 Mine in California, weighing 63.81 troy ounces; and a giant nugget from Arizona...examples like a Sweet Home Rhodochrosite, a Kelly Mine Smithsonite, and a Tsumeb Dioptase. This selection...Gemstone: Pink Tourmaline - 7.85 Cts. California, USA Pink Tourmaline is one of the most popular and recognizable |  | | Journal (article/letter/editorial) | | Plata meaning āgold and silver,ā and the state seal with its representation of mining tools clearly proclaim...proclaim Montanaās mining origins. Montanaās production of copper, coal, gold, lead, manganese, phosphate...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montanaās first mining camp at Gold Creek in 1860. Geologic Provinces The state...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted |  | | Report (issue) | | PHYSICAL SCI. COUNTY REPORT 7 GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA Uk ... R&daubced. oj COUNTY IMPERIAL Gedifansua By Paul K. Morton Geologist COUNTY REPORT California...Sand Hills, as viewed toward the northwest from County Park. The prevailing wind direction, as indicated...PREFACE vi ABSTRACT vii INTRODUCTION Summary of County 1 Mineral Trends and Needs Principal Geographic...Quaternary lake beds Eastern and northeastern Imperial County Sedimentary breccia 1 1 1 1 1 19 19 19 1 Andesite |  | | Catalog/List | | and Mail) Heritage Auction Galleries Design District Annex 1518 Slocum St. ā¢ Dallas, Texas 75207 Thursday...Oak Lawn Ave. #606 ā¢ Dallas, Texas 75207 Design District Annex ā¢ 1518 Slocum Street ā¢ Dallas, Texas 75207...Heritage Natural History Annex 2. Heritage Design District Annex 17094 Natural History Specialist Steve...Holloway Quarry, Berlin Township, Monroe, Michigan, USA This classic Celestite matrix specimen was purchased...QUARTZ Crystal Peak area, Park and Teller Cos., Colorado, USA Three dark smoky Quartz crystals are rising |  | | Catalog/List | | Avenue, 17th Floor ā¢ Dallas, Texas 75219 Design District Annex ā¢ 1518 Slocum Street ā¢ Dallas, Texas 75207...835.3243 ā¢ Email: Bid@HA.com Heritage Design District Annex Cataloged by: David Herskowitz Edited by:...All Lots 38004āā AMETHYST & FELDSPAR Brandberg District, Erongo Region, Namibia The size as well as the...QUARTZ CRYSTAL WITH TOURMALINE Barra de Salinas Mine, Barra de Salinas, Minas Gerais, Brazil This specimen...Sierra Blanca, White Mountain Wilderness, Lincoln County, New Mexico At one time this spectacular locality |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district |  | | Journal (issue) | | Flatirons Facets Flatirons Mineral Club of Boulder County, Colorado Volume 66, Number 3 May-June 2023 Our...field trip of the year to the Edgar Experimental Mine in Idaho Springs. See the Presidentās Message on...Protect yourself from the sun, page 5 Where in Colorado? pages 5 and 14 Member Profile: Charlotte Bourg...our first trip to the Edgar Experimental Mine which the Colorado School of Mines runs in Idaho Springs....some of the mining engineering students. I asked them about job opportunities in mining and was impressed |  | | Journal (issue) | | Homestake-Sapin Flotation Ā»36 For Acid Leach = Ā»26 Cuts Mine Accidents Ā»22 VIB URNUM PLANT: Wemco-Fagergrens...Catharines, Ontario e OFFICE: Montreal MINING WORLD MINING ITāS A FACT* WORLD & &, 7Z VOL. 23...cheap using a colorimetric method perfected by the Colorado School of Mines Research Foundation Copperbelt...Mineral Prices Newsmakers in World Mining What's Going on in Mining . Mining World Advertisers 39 14 EDITORIAL...Bogert 1791 Rogers Hill Howard Park Avenue, 3-9294. New CANADA District Street, Chicago 4-3420 |  | | Journal (article/letter/editorial) | | of Mineral Fluorescence at Franklin and Sterling Hill, R. C . Bostwick, 196 Agates, Minnesota, 130 Alabama...152 An Introduction to the Franklin and Sterling Hill, New Jersey, Mineral Deposits, B. T . Kozykowski...12 Anthony, W., 12 Arizona: Mammoth, St. Anthony Mine, Tiger, Arizona, 5; Minerals Named for Persons Associated...Mineral Species Reported from the Franklin-Sterling Hill, New Jersey, Area, 202; 204 Becquerelite, 249 Bedrock...195 Bideauxite, 12 Bideaux, R. A . , 12 Biotite, Colorado, 244 Bitumen, Illinois, 69 Bixbyite, Utah, 163 |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber, Leonard...near Badger Creek, north of Coaldale, Fremont County, Colorado. Dave Bunk specimen, Jeff Scovil photo. July/August:...(Herkimer ādiamondsāā), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of Mines Museum |  | | Journal (issue) | | Golden Topaz, 3.5 inches, from Katlang, Mardan District, Pakistan; Freilich Collection. OPENING SPREAD:...from Guerrero, Mexico; Gold from California; Pyromorphite from the Bunker Hill mine, Idaho; Wulfenite from...from the Red Cloud mine, Arizona; Calcite and Fluorite from the Elmwood mine, Tennessee; Aquamarine from...in Calcite from the Tsumeb mine, Namibia; Novacekite from the Brumado mine, Brazil; Elbaite from Nuristan...San Benito County, California; Spinel from Mogok, Burma; and Emerald from the Coscuez mine, Colombia. |  | | 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 | | authorHouseĀ® Table of Contents Introduction Foreword * Colorado Gemstone-Aquamarine Vii Vili Fossil-Stegosaurus...24 * Connecticut OG G& BY WW * Alaska Mineral-Gold Gem-Jade Fossil-Woolly Mammoth * Arizona Gemstone-Turquoise...Fossil-Belemnite Soil-Greenwich Loam Series 29 30 31 * District of Columbia Dinosaur-Capitalsaurus fo, Fossil-Petrified...Soil-Stuttgart Series * Georgia * California Mineral-Gold Mineral-Staurolite Fossil-Shark Tooth Gem-Quartz...Gemstone-Fairburn Agate Fossil-Triceratops Jewelry-Black Hills Gold Soil-Houdek Series * "Tennessee Rock-Limestone |  | | Journal (article/letter/editorial) | | Although perhaps best known for its wire and leaf gold, smoky quark, and turquoise specimens, New Mexico...microprobe, etc.) Because New Mexico is a mining state, mining districts are given whenever possible in...2015 Bernalillo County Cerro Colorado, W. of Albuquerque: carnotite. Placitas district (Sandia Mountains)...schorl. Tijeras Canyon district (Manzano Mountains), E. of Albuquerque. Galena King mine: barite, fluorite...subdistrict (Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek, N. of Reserve: |  | | Report (volume) | | Mountains Wilderness Study Area, San Bernardino County, California U.S. GEOLOGICAL SURVEY BULLETIN 1712-D...Mountains Wilderness Study Area, San Bernardino County, California By RICHARD J. GOLDFARB, DAVID M. MILLER...Mountains Wilderness Study Area, San Bernardino County, California. U.S. Geological Survey Bulletin 1712-D...California Desert Conservation Area, San Bernardino County, California. CONTENTS Summary Dl Abstract 1...resources 5 Mining and exploration history 5 Mines, prospects, claims, and mineralized outcrops 8 Gold, silver |  | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | | Journal (issue) | | Rear-Dump Euclids are standard equipment on hundreds of mine, quarry, and construction jobs. For moving * cieles...conditions of phosphate mining.ā Leading manufacturers of all types of mining and excavating equipment...millions of others to many of the worldās outstanding mining and contracting concerns operating in LIDDICOAT...LIDDICOAT bit add to its dominant position in the mining and contracting fields. LIDDICOAT bits are used...the ever-expanding list of the worldsā leading mining and contracting concerns who are now satisfied |  | | Journal (article/letter/editorial) | | Silver crystals, Bachelor mine, Amethyst vein system, Mineral County, Colorado; Dave Bunk specimen, Jesse...499 Anglesite, Colorado, 413; Nevada, 515 Annabergite, Kilometer 3 Mine, Laurium District, Greece, R. B...Mistaken Identities, A. L. Guth, 456ā58 Arizona Mining and Mineral Museum, 280 Arkansas, wavellite, 346ā50...Mineralogy Bannister, L. R., see In Memoriam Barite, Colorado, 410 BastnƤsite-(Ce), Quebec, 501 Bayldonite,...Calaverite, Cripple Creek, Colorado, R. B. Cook, 426ā31 Calcite, 462; Colorado, 410; Michigan, 312; Nevada |  | | Report (issue) | | History of the Iron Industry in Utah Ā· .1 Beaver County . . . . . . . . . . . . .2 Beaver Lake Mountains... .2 . . . . . . . . . . .2 Black Rock mine . . . Skylark mine . . . . . . . . . . . . . . . . . . . .... . Ā· .. 4 Creole mine . . . . . . . . . . . . . . . . . . . . . Ā· .. 4 Cave mine . . . . . . . . . ... 4 Iron mine . . . . . . ......... . . 10 Star Range deposits . . . . . .10 Copper King mine .10 Rocky...Rocky Range deposits . . . .10 Old Hickory mine . . . . Ā· . 11 Montreal magnetite-copper property . . . |
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Rex Mine, Gold Hill Mining District, Boulder County, Colorado, USA