 | | Journal (article/letter/editorial) | | Recent Collecting Activity in SAN JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978...Wapiti Court Boulder, Colorado 80301 Photographs by the authors; specimens from the authors' collection...considerable quantity of fine specimen material has been obtained from a number of San Juan County mines and prospects...during the last decade, in spite of the fact that comĀ mercial activity has almost ceased. COLORADO S A...southwestern Colorado. Some of the state's finest mineral specimens have come from the mines in the vicinity |  | | Report (issue) | | Geology and Ore Deposits of the. South Silverton Mining Area, San Juan County, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board QE...378-A 1963 Lii Buresietidt latitioq Denver, Colorado c-1 cE U. S. Geological Survey. 75u Professional...Professional paper 378-A. .U58pi no.378-A BUREAU OF RECLAMATION DENVER LIBRARY -13 5u -2-;\cct)ļæ½ AIN11313ki...Geology and Ore Deposits of the South Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES |  | | Report (issue) | | S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Preliminary geologic map of the Howardsville 7...7.5-minute quadrangle, San Juan and Hinsdale Counties, Colorado by Robert G. Luedke 1 and Wilbur S. Burbank2...S. Geological Survey editorial standards. Any use of trade, product, or firm names is for descriptive...purposes only and does not constitute endorsement by the U.S. Government. HJSGS, Reston, VA 2Deceased Contents............... Correlation of map units ...................... Description of map units .............. |  | | Other Paper | | 1129690-R8SDMS RECLAMATION FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA E^Ā«^.|3lt- f 4 ^ JIM HERRON...HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS AND GEOLOGY OCTOBER, 1999 1129690-R8SDMS...REPORT ANIMAS RIVER ABOVE EUREKA JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS...GEOLOGY OCTOBER, 1999 Upper Animas River Reclamation Feasibility Report TABLE OF CONTENTS Introduction General...Sampling Mine Waste Sampling Watershed Chemistry Upper Animas In-stream Aluminum Upper Animas In-stream |  | | Report (issue) | | 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...feet in elevation. For the past 250 years, men have sought to extract gold and silver from these mountains |  | | Report (volume) | | 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........................... ........ San Juan volcanic area...Geology of the Silverton quadrangle .........--.........-..-.-.-....I.. Location with regard to the volcanic |  | | Book | | AN EMPIRE SILVER $7.50 Coloradoās San Juan Silver Rush was one of the most colorful, unique, and interestĀ¬...interestĀ¬ ing of the nineteenth-century mineral migrations. Following a well-established pattern, the Ute Indians...ārelocatedā and the area opened for full development quite early in the 1870ās. Against one of the most aesthetically...aesthetically beautiful mountain ranges in all of North America, prospectors, capitalists, builders, and...roles in the drama that then unfolded. One among the several results was the settleĀ¬ ment of southwestern |  | | Book | | Ā» tes MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine ā_ā< Ā¢ 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 or...systemsāwithout permission of the publisher. Manufactured in the United States of America Published by Van |  | | Report (volume) | | infrared Landsat multispectral scanner image of the San Juan National Forest and vicinity in early October...shades represent vegetation; green represents areas of rock and soil containing iron oxides; blue represents...image taken from an altitude of 705 km. Approximate boundary of the San Juan National Forest is shown by...Resource Potential and Geology of the San Juan National Forest, Colorado Edited by Richard E. Van Loenen...PRINTING OFFICE, WASHINGTON: 1997 U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary U.S. GEOLOGICAL |  | | Book | | COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY...j^ISTORY OF j^OLORADO FROM ITS EARLY SETTLEMENT TO THE PRESENT TIME THOMAS B. CORBETT. FIEST EDITION...to Act of Congress, in the year 1873, by THOMAS B. CORBETT, In the office of the Librarian of Congress...Congress at Washington. TO THE MINERS AND MILL-MEN OF THE CENTENNIAL STATE, WHOSE NERVE, ENERGY AND INDUSTRY |  | | Report (issue) | | Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of Natural Resources...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Compiled by the American Geological Institute under contract to the Colorado Geological Survey Colorado Geological...Department of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more...effectively utilize the immense store of published literature on the state's geology, the Colorado Geological |  | | Book (edition) | | a Wisda Ā©F āll |MM|il|| l jee Digitized by the Internet Archive in 2021 with funding from Kahle/Austin...sOO0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS...FARMS SILVER AND STOCK MINES. RANGES, AND HEALTH AND PLEASURE Touristās TO KRQCK F BY SECOND...SECOND C. G. CRAWFoRD, PRINTER Guide THE APOUN FRANK RESORTS: TAINS. FOSSETT. BDILTION New...Dress One. GLORIETA,NEW MEXICO: 87535 Ā©1976 The Second Rio Grande Press, Inc., Glorieta, NM 87535 |  | | Report (issue) | | 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 ...THIS PUBUCATION MAY BE PROCURED. .)ROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE WASHINGTON...__________________________ .. _______ _ The first discoveries of gold _____________________ _ Chronologie...'____________ ,. _____ _ The location, area, and organization of the mining counties of Colorado _________________________ | | | Book (edition) | | Dr. Albert C. Boyle, Jr. 1590U7 Digitized by the Internet Archive in 2017 with funding from Brigham...org/details/coloradoitsgolds1880foss 77 Colorado Gold and Silver Mines, FARMS AND STOCK RANGES, HEALTH...to Act of Congress, in the year 1890, Bt FRANK FOSSETT, In the Clerkās Office cf the Librarian of Congress...r^HIS volume, as its name implies, is devoted to Colorado. Its conĀ¬ tents are descriptive, statistical...and historical, and embrace a detailed account of the Stateās resources, productions, and progress. general |  | | Book | | Trail @ Gold & Silver Timberline Books Stephen J. Leonard and Thomas J. Noel, editors The Beast, Benjamin...Immigrant and the American Tuberculosis Movement, Jeanne E. Abrams Ores to Metals: The Rocky Mountain...Tenderfoot in Colorado, R. B. Townshend The Trail of Gold and Silver: Mining in Colorado, 1859ā2009, Duane...Duane A. Smith 0 Trail @ Gold & Silver Mining in Colorado, 1859ā2009 Duane A. Smith U n i v e r s...fans, and mining historians. Ā© 2009 by the University Press of Colorado Published by the University |  | | Journal (article/letter/editorial) | | 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...mountains composed of igneous and metamorphic rocks to high plains composed of sediments. The elevation ranges...exceedĀ ing 11,000 feet, the average elevation is above 6,800 feet. This diversity of geological environment |  | 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) | | STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Bibliography for update and revision of U.S.G.S. Bulletin...Bulletin 1114 Minerals of ColoradoA 100 year record, by Edwin B. Eckel By Donley S. Collins1 , Robert R...cooperation with Friends of MineralogyColorado Chapter, and the Denver Museum of Natural History Open-File...used by the U.S. Geological Survey, no warranty, expressed or implied, is made by the USGS as to the accuracy...accuracy and functioning of the program material, nor shall the fact of distribution constitute any such |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota...provided to the U.S. Forest Service in Fiscal Year 1998 by Anna B. Wilson Open File Report OF 98-514 1998...editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names...purposes only and does not imply endorsement by the U.S. Government. CONTENTS page INTRODUCTION ................................................ 1 COLORADO ............................................. |  | | Book (edition) | | SS Sy \e AS \ ie. Yin tj tty Z UNIVERSITY OF ILLINOIS LIBRARY AT URBANA-CHAMPAIGN BOOKSTACKS ...a ie Digitized by the Internet Archive in 2022 with funding from University of Illinois Urbana-Champaign...Opbir-Burroughs, HILL anp NEVADAVILLE. Mercer County. ; ; California, First Natā] Burroughs and Kansas...Hilae Ss POSEN 1% xiS LEA Colorado GOLD AND FARMS SILVER AND Peet tt Ae STOCK TO ROCKY...ROCKY PRINTER RESORTS. Guide THE MOUNTAINS. BY-EFRANK- C, G. CRAWFORD, RANGES, P br ASURE Touristās |  | Weiland, Erick F., Lindemann, J.W., Connors, R.A., Meyers, W.T., Johnson, S.A., Heran, W.D. (1981) Geochemical and geostatistical evaluation of American Flats-Silverton planning units, San Juan volcanic province, Colorado. Open-File Report Vol. 1981 (81-599) US Geological Survey doi:10.3133/ofr81599 | Report (issue) | | DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Geochemical and Geostatistical Evaluation of American FlatsSilverton...FlatsSilverton Planning Units, San Juan Volcanic Province, Colorado by E. F. Weiland, J. W. Lindemann...Barringer Research Inc. and S. A. Johnson, U.S. Bureau of Land Management With an introduction by William...1981 This report was prepared under contract to the U.S. Geological Survey and has not been reviewed...herein do not necessarily represent those of the USGS. Any use of trade names is for descriptive purposes |  | | Report (issue) | | CALITI ES OF UTAH by Kenneth C. Bullock UTAH GEOLOGICAL AND MINERAL SURVEY a division of the UTAH DEPARTMENT...DEPARTMENT OF NATURAL RESOURCES BULLETIN 117 JANUARY 1981 MINERALS AND MINERAL LOCALITIES OF UTAH by.... . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . . . . . |  | | Book | | LIBRARY OF CONGRESS, ftMFWr* DEC 101901 DIVISION OF DOCUMENTS. ā GEOLOGY Ā£LqL \3 āOFā Colorado Deposits...Deposits. u PROFESSOR AT STATE SCHOOL OF GOLDEN, COLORADO DENVER, COLO.: News Printing Company, i 888...contains the substance of a series of elementary lectures delivered by the author to the students of the Colorado...Colorado State School of Mines. It is published with a view of meeting some of the needs of the general...general public, of the ordinary miner, and of the unscientific many, rather than with any idea of offerĀ¬ ing |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY SELECTED BIBLIOGRAPHY OF EPITHERMAL PRECIOUS METAL...METAL MINERALIZATION Charles G. Cunningham, U.S. Geological Survey, 913 National Center, Reston, Virginia...Ogden Street, Denver, Colorado 80209, U.S.A. Harold F. Bonham, Jr., University of Nevada, Reno, Nevada...89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering, Kyushu University 36, Hakozaki...BIBLIOGRAPHY OF EPITHERMAL PRECIOUS METAL MINERALIZATION This selected bibliography of epithermal precious |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DiRECTOtt BTJI/LETIN...BTJI/LETIN 582 MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS ARIZONA BY FRANK C. SCHRADER WITH...________________ Location and means of approach ____________ Settlements and means of communication-__________________...17 Climate and vegetation. 18 _._ History of mining and present conditions___________________ 20...______ _ Empire Mountains ________________________ San Cayetano Mountains . ______ __ __ Canelo Hills__ |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY SELECTED BIBLIOGRAPHY OF EPITHERMAL PRECIOUS METAL...METAL MINERALIZATION FOR THE IUGS/UNESCO DEPOSIT MODELING WORKSHOP HYDROTHERMAL SYSTEMS IN VOLCANIC CENTERS...CENTERS by Charles G. Cunningham, U. S. Geological Survey, 959 National Center, Reston, Virginia 22092... SELECTED BIBLIOGRAPHY OF EPITHERMAL PRECIOUS METAL MINERALIZATION FOR THE IUGS/UNESCO DEPOSIT MODELING...bibliography of epithermal precious metal mineralization was prepared for an International Union of Geological |
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