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| PREFACE TO THE SECOND EDITION The encouraging success of this Guide requires a Second Edition. The new printing...which promise to be of great interest to the Collector and Tourist as well. All of the 19 Rock Forma...Forma tions at Ouray, dating from the Pre-Cambrian to the Cenozoic Eras are now in cluded along with a revised...famous Windham Report of 1S80 relating to the growing Mining Industry at Ouray is printed in its entirety...photographs have been culled from the re sources of the Denver Public Library and these are likewise |
 | | Journal (article/letter/editorial) |
| Discovery, Mining History, Geology, and Specimen Mineralogy of Selected Occurrences in Central Colorado and...and the San Juans Downloaded by [University of Connecticut] at 06:58 11 October 2014 ED RAINES F.R.S....Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August issue,...discovery of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...discuss the gold deposits found throughout the rest of the state. As previously mentioned, each new gold |
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| ROBERT B. COOK Department of Geology and Geography Pyrargyrite Downloaded by [New York University] at...arsenic ember of the major ruby-silver family (Cook 1996). The species was chosen because of its unusual...rarity in wellcrystallized specimens-which leads, of course, to very high collector desirability. Although...typically not as attractive, the other dominant member of the family, the antimony-analog pyrargyrite, is similarly...sought, yet offers collectors somewhat better hope of successfully securing a fine specimen. Thanks to |
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| Juan Silver Rush was one of the most colorful, unique, and interest¬ ing of the nineteenth-century mineral...1870’s. Against one of the most aesthetically beautiful mountain ranges in all of North America, prospectors...several results was the settle¬ ment of southwestern Colora¬ do. Dozens of towns were built among the lofty...possessed of the high¬ est general elevation in the United States. Often'called the “Switzerland of America...the San Juans boast of more fourteen-thousand-foot peaks than any other region of com¬ parable size in |
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| » tes MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om...ARC RO2OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes...1983 by Van Nostrand Reinhold Company Inc. Library of Congress Catalog Card Number: 81-23975 ISBN: 0-442-28038-6...0-442-28038-6 All rights reserved. No part of this work covered by the copyright hereon may be reproduced...systems—without permission of the publisher. Manufactured in the United States of America Published by Van |
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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, Mark...southwestern Colorado and covering over 31,000 square kilometers, the San Juans are some of the highest...and most rugged mountains in the state. Hundreds of peaks rise above 13,000 feet, including about a dozen...until the last 25 years of the 1800s that the San Juans began revealing the extent of their mineral wealth |
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| Downloaded by [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities...can be one of the more desirable mineral species for collectors and museums alike. One of nature’s common...Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska, Lincoln]...We1I-crystaIIized examples of sphalerite also occur at many localities in Colorado, in shades of amber, emerald-...the hextetrahedrat class of the cubic system and occurs in many diverse forms, of which the tetrahedron |
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| [Lulea University of Technology] at 19:39 16 August 2013 Downloaded by [Lulea University of Technology] at...August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate...carbonate with the formula Mn2+C0,, i s one of the mineral species most desired by collectors and museums alike...crystallizes in the trigonal class of the hexagonal system and occurs in a number of diverse forms. Fine rhodochrosite...specimens in various habits have been found in the mines of Huanzala, Peru; at Hotazel and N'Chwaning, South |
 | | Report (volume) |
| GfiOIJOGF Mineral Resources of the Wilson Mountains Primitive Area, Colorado By CALVIN S. BROMFIELD, U...GEOLOGICAL SURVEY, and FRANK E. WILLIAMS, U.S. BUREAU OF MINES With a section on GEOPHYSICAL INTERPRETATION...SURVEY BULLETIN 1353-A An evaluation of the mineral potential of the area UNITED STATES GOVERNMENT PRINTING...OFFICE, WASHINGTON : 1972 UNITED STATES DEPARTMENT OF THE INTERIOR ROGERS C. B. MORTON, Secretary GEOLOGICAL...Director Library of Congress catalog-card No. 79-183754 For sale by the Superintendent of Documents, U.S |
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| Mineral Resources of the Uncompahgre Primitive Area Colorado By R. P. FISCHER and R. G. LUEDKE, U.S.... and M. J. SHERIDAN and R. G. RAABE, U.S. BUREAU OF MINES STUDIES RELATED TO WILDERNESS PRIMITIVE AREAS...SURVEY BULLETIN 1261-C An evaluation of the mineral potential of the area UNITED STATES GOVERNMENT PRINTING...OFFICE, WASHINGTON -. 1968 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL...Pecora, Director For sale by the Superintendent of Documents, U.S. Government Printing Office Washington |
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| org/details/coloradoitsgolds1880foss 77 Colorado Gold and Silver Mines, FARMS AND STOCK RANGES...to Act of Congress, in the year 1890, Bt FRANK FOSSETT, In the Clerk’s Office cf the Librarian of Congress...r^HIS volume, as its name implies, is devoted to Colorado. Its con¬ tents are descriptive, statistical...statistical, and historical, and embrace a detailed account of the State’s resources, productions, and progress...For The first of these will answer for a traveler’s guide, and relates to routes of travel, health |
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| sOO0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS...Robert of all mines, names new by Katherine heretofore G. Huddleston, index Denver, of all other...unpublished Mining District, in reproduction. map Colo. places Albuquerque, NM of Leadville a...a map of Territorial Colorado c. 1876, and a woodcut engraving Bird’s Eye View of Leadville c. 1882...Research by Robert G. Huddleston Color photographs of Leadville, c. 1975, by Robert B. McCoy A Rio Grande |
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| ‘DE COLORES’ P10 10 Mexico’s endless palette of colorful minerals. DR. PETER K.M. MEGAW FOSSIL PARK...KHURSHEED DINSHAW NEVADA PATENT MINE 34 United States’ only active azurite mine. STUART “TATE” WILSON Regular...Gold’. STEVE VOYNICK ROCK SHOPS OF DISTINCTION 60 Part II: Mining supplies and rock shop Field Notes...Beckett Media, LLC. All rights reserved. Reproduction of any material from this issue in whole or in part...Azuritecredit) with Malachite,. (photo Milpillas Mine, Mexico : ARKENSTONE specimen now in the Jeff Kremer |
 | | Book (edition) |
| SS Sy \e AS \ ie. Yin tj tty Z UNIVERSITY OF ILLINOIS LIBRARY AT URBANA-CHAMPAIGN BOOKSTACKS ...Internet Archive in 2022 with funding from University of Illinois Urbana-Champaign https://archive.org/d...University-Kansas, QUARTZ Hawley-Gardner, Opbir-Burroughs, HILL anp NEVADAVILLE. Mercer County. ; ; California...ae American Hilae Ss POSEN 1% xiS LEA Colorado GOLD AND FARMS SILVER AND Peet tt Ae STOCK...to Act of Congress, in the year 1879, . By FRANK FOSSETT, ae ; . In the Clerk’s Office of the Librarian |
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| DEPARTMENT OF THE INTERIOR H~bert Work, Secretary U.S. GEOLOGICAL SURVEY George Otis Smith. Director...Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON BY ...PUBUCATION MAY BE PROCURED. .)ROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE WASHINGTON,...__________________________ .. _______ _ The first discoveries of gold _____________________ _ Chronologie record __________...location, area, and organization of the mining counties of Colorado _________________________ _ Adams |
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| Geology and Mineral Deposits of the Area South of Telluride Colorado GEOLOGICAL SU R VEY BULLETIN ...cooperation 'with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund Board 1112-G... Geology and Mineral Deposits of the Area South of Telluride Colorado By JOHN S. VHAY CONTRIBUTIONS...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund Board UNITED...OFFICE WASHINGTON : 1962 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL |
 | | Report (volume) |
| 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...OFFICE, WASHINGTON : 1961 'UNITED STATES DEPARTMENT OF THE INTERIOR CECIL D. ANDRUS, Secretary GEOLOGICAL...1961 Second printing 1978 For sale by the Branch of Distribution, U.S. Geological Survey, 1200 South...________________________________ Source minerals of Colorado's mineral industry________________________ |
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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...hand canvas polishing disc o 2 grams of 14000 diamond compound o Wheel wetter watering system 00 o Book on...belt guard and motor mount that you attach to rear of unit. • 1/3 HP, 1725 RPM thermal protected ball bearing...canvas polishing disc 00 o 2 grams of 14000 diamond compound o Wheel wetter watering system *Free Shipping...that is mounted on a 3/8” of soft sponge rubber on a hard plastic hub wheel. All wheels have a 1” bore |
 | | Journal (issue) |
| UNDERGROUND 10 Winter visitors enjoy underground mine tours, mineral museums, and limestone caverns. By...specimens. By Stuart “Tate” Wilson THE AMBER MINES OF CHIAPAS A dangerous journey is worth the reward....Beckett Media, LLC. All rights reserved. Reproduction of any material from this issue in whole or in part...go. As the years went by, the pile of rocks started to get out of hand, and we began to discus what we...slabs as natural as we could, only cutting off an end of the rock when it would not clamp well in the saw |
 | | Report (issue) |
| COLORADO STATE GEOLOGICAL SURVEY BOULDER R. D. GEORGE, State Geologist BULLETIN 9 GEOLOGY AND ORE DEPOSITS...DEPOSITS OF THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON 1915 DENVER,COLORADO EAMES...DOI: https://doi.org/10.58783/cgs.b09.vtso7767 Colorado State Geological Survey. Bulletin No. 9, Plate...vernor of Colorado LIVINGSTON FARRAND ______________________ President University of Colorado HowARD...School of Mines CHARLES A. LoRY ____________________ President State Agricultural College LETTER OF TRANS:\IITTAL |
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| Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES...OFFICE, WASHINGTON : 1949 UNITED STATES DEPARTMENT OF THE INTERIOR J. A. Krug, Secretary GEOLOGICAL SURVEY...Wrather, Director For sale by the Superintendent of Documents, U. S. Government Printing Office Washington...the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________ |
 | | Journal (issue) |
| belt guard and motor mount that you attach to rear of unit. • 1/3 HP, 1725 RPM thermal protected ball bearing...hand canvas polishing disc o 2 grams of 14000 diamond compound o Wheel wetter watering system 00 o Book on...belt guard and motor mount that you attach to rear of unit. • 1/3 HP, 1725 RPM thermal protected ball bearing...canvas polishing disc 00 o 2 grams of 14000 diamond compound o Wheel wetter watering system *Free Shipping...that is mounted on a 3/8” of soft sponge rubber on a hard plastic hub wheel. All wheels have a 1” bore |
 | | Journal (issue) |
| RADIOACTIVE Mineral Rush • ASTORITE: A Rhodonite-Quartz Gemstone APRIL 2017 • VOL. 47 ISSUE 4 • THE EARTH’S...MAKE THIS Gemstone Jewelry Box! << “DIRTY DIAMONDS” of the Great Salt Lake A Rockhound’s Adventures in CHINA...ASTORITE 16 An attractive pink gem beaming with mining lore. By Helen Serras-Herman A LUCKY ROCKHOUND’S...ODYSSEY 22 Part VIII: China becomes a cornucopia of minerals. By Bob Jones 34 LAPIDARY: GEMSTONE JEWELRY...URANIUM RUSH 58 Find specimens and history in Colorado and Utah. By Steve Voynick Regular Columns Field |
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| Care! ARIZONA WULFENITE Down Deep in the Rowley Mine GEM GARNETS Popular for Centuries THE BALTIMORE...Show FIELD TRIP: www.rockngem.com Diamond Hill Quartz Winter Rockhounding in South Carolina RG_RED_cover_0914...stibnite crystals must be handled with care. The amount of antimony, a semimetal related to arsenic, in its...potentially toxic. This 6 cm spray of needles is from the Herja mine (Baia Mare, Maramures), Romania. (Gerhard...(Gerhard Brandstetter photo) Garnet: Gem of the Ages ........................ 44 A colorful silicate |
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| DEPARTMENT OF THE IMTBEIOK BULLETIN UNITED STATES GEOLOGICAL SURVEY No. 182 SERIES A, ECONOMIC GEOLOGY...REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING... CONTENTS. PART 1. GENERAL DESCRIPTION AND DISCUSSION OF THE ORE DEPOSITS. Introduction and acknowledgments... ...... ................................ Outline of geology, by Whitman Cross........................................... ...................... Geology of the Silverton quadrangle .........--.........-..- |
