 | | Report (issue) | | Ore Deposits of the¡ Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...Porphyritic quartz monzonite _______________ _ Quail Porphyry ____________________________ _ Quartz monzonite...Carbonate veins ___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies--...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________ |  | | Journal (article/letter/editorial) | | KokomoMiningDistrict,Colorado CRAIG J.MACH* ANDTOMMY B.THOMPSON **'⢠Department of EarthResources, Colorado StateUniversity...StateUniversity, Fort Collins,Colorado 80523 Abstract The oresof the Kokomo miningdistrict,Colorado, areAg-Pb-Znmassive...res verysimilarto oresat Leadville and Gilman,Colorado. Ore deposition occurred in the generalsequence:... southwest Summit limestone bedsof the Pennsylvanian MinturnFormation are County,Colorado,approximately...silverleadoreswereminedin the earlyyearsof the district, lybdenum deposit, whichisyounger thanandgenetically |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | Bramel, Hadley R., Heyl, George R., Cox, Manning W., Ransome, Alfred L., Eric, John H., Wyant, Donald G. (1948) Copper in California. Bulletin 144. California State Mining Bureau | Report (issue) | | States Department of the Interior Department of Mining, Stanford University liCD LIBRARY 1948 : ...77""V" Zinc-Copper Deposits of the Big Bend Mine, Butte County, California, bv John H. Eric Geology of the...the Lilvama and Pioneer Mines, El Dorado County, and California, by Manning W. Cox, Donald C. Wyant,...California, County, Newton Copper Mine, Amador R. Heyl and John H. Eric ""~V" Pemi Zinc-Copper Mine, Calaveras...Calaveras County, California, by George R. Hevl, Manning W. Cox, and John II. Eric The Gravhouse Area, Amador |  | | Journal (article/letter/editorial) | | 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...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...principal town in the county. The American Tunnel, located just north of town along Cement Creek at Gladstone...of the Sunnyside mine complex and has been the major source of specimens in the county. Most museums and |  | | Book | | SUMMIT ear eS Loos ty tp den Ue sure Sr oa ies AE at aks SUMMIT AGold Rush History of...of Summit County, Coldrado By Mary Ellen Gilliland Copyright 1980 by Mary Ellen Gilliland All rights...Press Box 499 Silverthome, Colorado 80498 iv For the people of Summit County, past and present, and...Seventeen Eighteen Nineteen Summit Map Bibliography Index This Is Summit County Before the Rush Began: The...Silver Town Mining: The Pick, Pan and Blasting Powder Route to Riches Breckenridge Mining: Gulches of |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona â Cochise Co. Mining Districts .................................... |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |  | McCammon, Richard B., Light, Thomas D., Rinehart, C. Dean, Weber, Florence R., Lee, Gregory K., Bie, Scott W. (1997) Map showing mineral resource potential of the Livengood Quadrangle, Alaska. Open-File Report Vol. 1997 (97-484) US Geological Survey doi:10.3133/ofr97484b | Report (issue) | | California 94025 Fairbanks, Alaska 99708 Denver, Colorado MAP SHOWING AREAS OF MINERAL RESOURCE POTENTIAL...prominent topographic features. The major faults in the area are strike-slip splays of the Tintina fault zone...blanket most of the area in the quadrangle. MINERAL RESOURCES Parts of six mining districts occur in...quadrangle include the area around Sawtooth Mountain in the Rampart district, the area around the town of...in the Tolovana district, and the area around Cleary Summit in the Fairbanks district. In the past, precious-metal |  | | Report (issue) | | decide whether a certain metalliferous deposit or district should be included or not. The problem was also...other forms) since 1935 is reviewed. New sulfur mining and recovery projects in the United States and...chemical properties of sulfur, the geology and mining operations of the salt-dome sulfur deposits, the...sulfur by superheated water through wells at Sulphur mine, Louisiana, are fully detailed. Exploration and...Swager, W. L. , and Sullivan, J. D. , 1951, Sulphur: Mining Engineering, vol. 3. , pp. 403409. The history |  | | Report (issue) | | Minturn 15-Minute Quadrangle, Eagle and Summit Counties, Colorado By OGDEN TWETO and THOMAS S. LOVERING...PAPER 9 56 Prepared in cooperation with the Colorado Mining Industrial Development Board Geology of the...region surrounding a major zinc mining district and the Vail recreational area, with emphasis on the Minturn...gneiss ................................... . Cross Creek Granite and related migmatite and diorite .......................................... . Cross Creek Granite ......................... . Migmatite ..... |  | | Report (issue) | | 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 75...378-A 1963 Lii Buresietidt latitioq Denver, Colorado c-1 cE U. S. Geological Survey. 75u Professional...Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES SOUTH SILVERTON MINING AREA, SAN JUAN...JUAN COUNTY, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 378-A Prepared in cooperation with the Colorado |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Journal (article/letter/editorial) | | suggestionsfor this colunrn and c m be from Uchucchacua, Peru. Stuart Wilensky specimen, Jeff Scovil contacted... occurring together) from the Calumet and Hecla mine. Excepment in the oxide zones of a variety of metal...Copper Falls mine, associations and include those containing other silver minerals, Keweenaw County. barite...major Acton mine, York County, the Deer collections. One state that is draped in a silIsle mine, and the...the Sullivan mine ver-lined history is Colorado, with a pro(King and Foord 1994). Silver duction of more |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (issue) | | DUILL LOGS KOKOVO (Th3IMILE) X^C-LSAD MIKING DISTRICT, COLORADO NCV 1C1949 UÂť SÂŤ Geological Survey diamond...zinc-le-id mining district, Colorado Introduction The Kokoao (Tensile) zinc-lead district, which is part...mineralised aren in the Tenmile Range of north-central Colorado, is an important source of DJISQ cetals, chiefly...bodies found chiefly in the Robinson and Khite Quail limestone members of the Henturn formation of Pennsylvanian...Mayflower Creek in the Leadville limestone of Mississippian age. The rocks of the district are folded |  | | Report (issue) | | of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...visiting Cyprus Bagdad's active porphyry copper mine. We will then visit Phelps Dodge Corporation' s...with the Laramide stocks in the Groom Creek to Poland Junction area. George Ryberg of Rouge River resources...MINERALIZAnON IN THE BAGDAD AREA BYEDDEWITT Road Log from Bagdad, Arizona, to the Bruce mine, 5.2 miles Cumulative |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern 'âSchoolmarmâ Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Report (issue) | | AND ORE DEPOSITS OF THR BRECKENRIDGE DISTlliCT, COLORADO BY :b_,REDERICK LESLIE RANSOME 'f3lfWASHINGTON..._.......................... . Situation of the district. ....... ____ . __ .. __________ ................ _. ___ ....... _..... _... _..... __ .. The district. __ ... ____ .... __ ... ___ ... ___ .. ____ .... _. __ ..... __ . _.. __ ...... . History o.f mining .. ___ .. ______ .... _. ________________ . __...____ .... _____ .. CHAPTER IV.-Structnre of the district. ................... _............. _....... __ |  | | Report (issue) | | GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo¡ BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ................................................. . . . . . . . . . 97 Idaho Springs auriferous area. __ ............. _.. _. _.... _. _. . . . . . ...Georgetown quadrangle a part of a larger mineral-bearing area ............. 98 Division of quadrangle into two...belt ....... 101 Existence of a mineral belt in the area of the Georgetown quadrangle ............ _. _. |  | | Report (volume) | | and mineralization in the Beaver-Tarryall area, Park County, Colo., a reconnaissance report, by Quentin...Geology and ore deposits of the Shafter mining district, Presidio County, Tex., by Clyde P. Ross _______ ______...on concentration tests on manganese from Perry County, by H. S. Rankin______ 1 45 127 223 ILLUSTRATIONS...PLATE 1. Geologic map of Beaver-Tarryall area, Park County, Colo__ In pocket 2. Geologic sections of...pocket 3. Generalized map of Beaver-Tarryall area, showing area of metamorphosed rocks and outlines of larger |  | | Report (issue) | | QUADRANGLE. By L. M. INTRODUCTORY STATEMENT. The area included in the Geological Survey's map of the FairÂ...64. The Fairbanks gold-placer district is in the eastern part of this area. During the season of 1908 a...Fairbanks district and during 1909 geologic investigations were carried north of the Fairbanks district and...portion of the quad rangle, including the Fairbanks district and extensive areas to the north and west, is...presence of the Fairbanks district in the south eastern part of the area covered by this sketch map |  | | Show/Event (guide) | | crystal group, 13 cm, from the Eagleâs Nest mine. Placer County, California. Found in 1988. Collection of...Linda McCartney have a ranch in the Tanque Verde area where they spend part of the year. Clark Gable,...well-designed historical mining gallery including a reconstructed mine tunnel and many old mining artifacts, photos...hundred miles to the south, but the historic old mining town of Bisbee is a prime Arizona attraction. The...special interests. Try the Western Postal Queen Mine Tour While in Bisbee, adventurous visitors of all |
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