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| 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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| UNITED STATES DEPARTMENT OF THE INTERIOR Ray Lyman Wilbur, Secretary GEOLOGICAL SURVEY , Director Professional...169 GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO BY W. S. BURBANK WITH A SECTION...HENDERSON Prepared in cooperation with the COLORADO METAL MINING FUND UNITED STATES GOVERNMENT PRINTING...Superintendent of Documents, Washington, D.C. ..---.-.. Price $2 CONTENTS Page Page Outline of the re...Geography _ ______________ ___-__-__ Situation of the district _ _ _________________ Topographic features |
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| [Lulea University of Technology] at 19:39 16 August 2013 Downloaded by [Lulea University of Technology] at...Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with the formula Mn2+C0,, i s one of the mineral...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...localities in Colorado, particularly in the mines of the San luan Mountains in the southwestern part of the state |
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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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| » 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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| 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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| 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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| 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...Additionally, the famous Windham Report of 1S80 relating to the growing Mining Industry at Ouray is printed in...photographs have been culled from the re sources of the Denver Public Library and these are likewise...Geologist, both of the United States Geological Survey, Tom Rosemeyer, Chief Engineer, Camp Bird Mine and Miss |
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| 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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| ‘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 |
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| Fluorite Specimens Discovered! From the Huanggangliang mine No. 6, Inner Mongolia, China Martin Jensen mineralpro@hotmail...proper harvesting of collector-quality specimens at the time. The recent strike of delicious, red octahedral...matrix specimens will be scarce, despite the size of the original find. now reportedly gone. This was...made during the last two weeks of August, 2019, and a large number of specimens were fortunately collected...collected and preserved. One of us (MJ) was among the very first foreign buyers to arrive at this Inner |
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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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| 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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| Various Forms of Alunite From the Cactus Gold Mines Middle Buttes Volcanic Complex Kern County, California...located in southeastern Kern County, approximately 9 miles southwest of the town of Mojave, and approximately...approximately 60 miles north of Los Angeles, California. The complex was host to six epithermal, bulk-mineable...000 tons with a grade of 0.185 oz/ton gold, to 5.5 million tons with a grade of 0.043 oz/ton gold. In...addition, a bonanza vein system was mined intermittently between the 1930s and the 1960s. A total of approximately |
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| { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO / DENVER. COLORAl...~~LEGI\L NOTICE--,c=--~= was prepared as an account of work sponsored :, 11'1 the IJni ted States Government...S~ates nor the Department of Energy. nor any of their employees, nor any of their contractors, subcontractors... for the accuracy, cOlllp'leteness or usefulness of any infonnation, apparatus, product or process disclosed... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore |
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| Care! ARIZONA WULFENITE Down Deep in the Rowley Mine GEM GARNETS Popular for Centuries THE BALTIMORE...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...in the Rowley................... 22 This Arizona mine is a specimen treasure trove Winter rockhounding |
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| The Ore Deposits of Socorro County, New Mexico Bulletin 8 New Mexico Bureau of Mines & Mineral Resources...DIVISION OF NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY The Ore Deposits of Socorro County, New Mexico...INSTITUTE OF MINING & TECHNOLOGY Charles R. Holmes, Acting President NEW MEXICO BUREAU OF MINES & MINERAL...BOARD OF REGENTS Ex Officio Toney Anaya, Governor of New Mexico Leonard DeLayo, Superintendent of Public... ORIN J. ANDERSON Geologist ROBERT W. EVELETH Mining Engineer RUBEN ARCHULETA. Technician I K. BABETTE |
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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 .........--.........-..- |
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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 |
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| Minerals of the L'Etoile du Congo Mine Lumbumbashi, Katanga Province, Democratic Republic of the Congo...Colorful copper minerals from the Democratic Republic of the Congo have been available for many years. Although...mineral market with some regularity. Recent offerings of principally malachite and chrysocolla have been widely...species less so. The L'Etoile du Congo (Star of the Congo) Mine is the type locality for cornetite, described...number of European powers exploring the African continent, and laying claim to large areas of mineral-rich |
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| Congo. By Bob Jones A TALE OF TWO BLUE BARITES Heavenly-hued treasures in Colorado. 24 By Mark Leatherman...Solon 48 56 ROCK & GEM KIDS 46 MINERALS OF WAR Tales of intrigue, secrecy, and emergency production...BUSINESS OF SPECIMEN RECOVERY 56 Haste can waste good collector specimens. By Bob Jones OLD MINING LAW IN...Beckett Media, LLC. All rights reserved. Reproduction of any material from this issue in whole or in part...crystals surround a nice calcite from the Quiruvilca mine, Quiruvilca District, Peru. (6.2 cm high) (Jeff |
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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____________________________ |
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| Mesa A GemCollecting Adventure Aragonite A Group of Twinning Minerals Benitoite A Father’s Legacy Comes...10 October 2014 FeaTures Virtually every form of agate will be represented at the 2016 Agate Expo...Mexico. This specimen exhibits eye-catching shades of red, pink and yellow. (Steve Wheeler photo/Brad Cross.........................................6 Lapidary of the Month...............................8 Show Dates...subscriptions@beckett.com. All rights reserved. Reproduction of any material from this issue in whole or in part |
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| minerals are highly collectible. By Bob Jones THE STORY OF SAND Different deposits form in different ways. 26...III: Hitchhiking in Moscow. By Bob Jones 48 FOSSILS OF THE FLORIDA PLATEAU 56 Screening reveals ancient...Beckett Media, LLC. All rights reserved. Reproduction of any material from this issue in whole or in part...ETHIOPIA THIS SHIPMENT FROM ETHIOPIA CONTAINS SOME OF THE BRIGHTEST AND MOST COLORFUL OPAL WE’VE EVER RECEIVED...OPAL PARCELS AND SINGLE STONES. The photograph is of a 175 gram sample from the new shipment. THE VILLAGE |
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| GUIDEBOOK FOR THE PARADOX BASIN, UTAH AND COLORADO TABLE OF CONTENTS Page THE PARADOX BASIN OVERVIEW RESOURCES...AND MINING AREAS SLICK ROCK DISTRICT GYPSUM VALLEY DISTRICT BULL CANYON DISTRICT URAVAN DISTRICT GATEWAY...GATEWAY DISTRICT (EASTERN GATEWAY AREA) MC ELMO CREEK DRAINAGE AREA LA SAL CREEK AREA PARADOX DISTRICT BEAVER...VALLEY (BIG INDIAN) DISTRICT MOAB DISTRICT GREEN RIVER DISTRICT THOMPSONS DISTRICT INTER-RIVER REGION...INDIAN CREEK REGION DRY VALLEY DISTRICT COTTONWOOD AND BUTLER WASH AREAS MONTEZUMA CANYON DISTRICT SEVEN-MILE |
