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| Geology and Ore Deposits ofthe Summitville District San Juan Mountains Colorado By THOMAS A. STEVEN and JAMES...PAPER 343 Prepared in cooperation with the Colorado Metal Mining Fund Board UNITED STATES GOVERNMENT PRINTING...Chemical composition_-_______----_---_-_-_Fisher quartz latite_______________-_ _---_------Lower member..._____________________ Quartz latitic lavas and intrusive rocks. Quartz latites east of Park Creek.____ Quartz latites...latites underlying Cropsy Ridge . Quartz latites near South Mountain.... Petrography _______________________ |
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| Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL SURVEY --*_-...Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By C. T. PIERSON, W. F. WEEKS...radioactivity in the metal-mining districts of the San Juan Mountains, Colorado, by C. T. Pierson, W. F..._______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ General |
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| MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ 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 resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |
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| stream and river sediments, Alamosa River basin, Colorado by S.E. Church, S.A. Wilson, and P.H. Briggs1...Introduction Geology of the Alamosa River basin Mining activity and impact Deposit geology Chemical and...Generalized geologic map of the Summitville open-pit mine Localities of larger mine workings, Alamosa River basin...basin Schematic cross-section through the Summitville deposit Locality map showing stream-sediment samples...Pb-isotopic composition caused by open-pit mining of the Summitville deposit B. 208Pb/204Pb isotopic profile |
 | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) |
| Depositsin the SanJuanVolcanicField, Southwestern Colorado LeadIsotopeEvidence B. R. DOE,T. A. STEVEN,M....mineralization. Some other deposits (Summitville, Jasper, Red Mountain district) have values of 2ø•Pb/•ø4Pbsimilar...have lead isotopiccompositions that are portant mining districts. Studies of lead in the as- more radiogenicthan...Antonito COLORADO NEW MEXICO L 0 100 KILOMETERS Fro. 1. Index map of southxvestern Colorado, showing...applied specificallyto the ores in the Creede district by Bethke et al. (1973) and by Stevenand Eaton |
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| Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt.................................... 1973). T he crys tals occur with trem olite, quartz and calcite in talc-filled pockets that have developed...had achieved considerable fame, and the right to mine diopside was obtained that year by G eorge L. English...thereafter. In 1971 both the land and the right to mine diopside were purchased by the present owners, Schuyler |
 | | Book (edition) |
| COVER—View from west side of Rio Grande Gorge to the southeast toward the Sangre de Cristo Mountains...Resources A DIVISION OF NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY The enchanted circle— loop drives...80225 SOCORRO 1991 iv NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY Laurence H. Lattman, President NEW...Director, Bus./Pub. Office ROBERT W. EVELETH, Senior Mining Engineer LOIS GOLLMER, Staff Secretary IBRAHIM...and Jane Love), Enchanted circle, visits the Rio Grande Gorge Bridge, Questa, Red River, Elizabethtown |
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| Eureka and Adjoining Districts San Juan Mountains, Colorado By WILBUR S. BURBANK and ROBERT G. LUEDKE GEOLOGICAL... 535 Prepared in cooperation with the Colorado State Mining Industrial Development Board A study of...hypogene enrichment_ -- __ ----- _--Exploration and mining ____________________________ _ Lake Emma-Ross Basin...of the Eureka district and adjoining areas. 3. Geologic sections of the Eureka district and adjoining...Forks, and Gladstone areas. 7. Map showing principal mine workings in the Eureka and adjoining districts. |
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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...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the...zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...San Juans one of Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City |
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| BULLETIN 91 Geology and Mineral Resources of Rio Arriba County, New Mexico by E D W A R D C . B I N G L E...NEWMEXICOINSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY...quartzite .................................... 9 Quartz-muscovite-biotite schist ................................. Creasus mine ........................................ 77 Red Jacket mine ............................. 81 Geologic history of the Hopewell district Clara D., Mary E . Steele. Grand Mogul. Little |
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| Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...of the Garfield Quadrangle, Colorado By McCLELLAND G. DINGS and CHARLES S. ROBINSON GEOLOGICAL SURVEY...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mitting Fund. A...________________ _ Quartz-mica schist _____________ _ Quartz-hornblende schist _______ _ Quartz-hornblende gneiss |
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| Windham Report of 1S80 relating to the growing Mining Industry at Ouray is printed in its entirety. Many...Survey, Tom Rosemeyer, Chief Engineer, Camp Bird Mine and Miss Margaret B. Allen, M.A. of Orange, New.................................... l ( 8-23 Quartz..................................................Ouray and the Camp Bird Mine; Past, Present. Future The Windham Report of Mining in Ouray in 1880 . . The...The Mineralogy at the Camp Bird Mine................... Glossary' Including Notes On Geology’ ...... |
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| 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..._ Igneous rocks _____________________________ _ Quartz monzonite gneiss ________________ _ Granite gneiss...gneiss and gneissic aplite ________ _ Quartz diorite and associated hornblendite_ Boulder Creek granite |
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| RESOURCES OF KERN COUNTY CALIFORNIA CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 1 i y 1966... Front cover: The exceedingly varied terrain of Kern County is shown by the brown section— from McKittrick...Sierra Nevada and Owens Peak (highest point in the county); on the east (right side) is the sharp descent...MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA By BENNIE W. TROXEL, mining geologist California Division...MORTON, and Geology mining geologist California Division of Mines and Geology County Report f Ferry Building |
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| PISTOLS i !?' A J.-. N ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by ...present authentic infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive...United States Geological Survey in 1912. Plan. “Mining Districts and Mineral Resources of Nevada”, as...parts:—one on mining districts and the other on mineral resources. The section on mining districts is...but gives more extended descriptions and includes mining as well as geological information. The map which |
 | | Report (issue) |
| an overall guide been written on gold and gold mining of publications have no single report or to...longer district Hulin, respectively. the principal features of each gold-bearing district are described...publications were written on various phases of gold mining. The reports of John Trosk, the first State Geologist...Commissioner of Mineral prepared reports of mine production and gold-mining Bureau, and later now the California...The California Mining in 1880, gold-mining operations; the and Geology and the County a number of |
 | | Report (issue) |
| .......................................... 36 Colorado group ............................................................................. 98 Blanco district ......................................................................... 105 Alamosa Creek and Rio Salado valleys ........................ 105 General................................. 110 Puertecito district ....................................................................................116 Sierra Grande uplift and associated structures ............. |
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| Deposits of the Uncompahgre (Ouray) Mining District, Southwestern Colorado Professional Paper 1753 U.S. Department...western San Juan Mountains region of southwestern Colorado. In the foreground is a broad, gently south-sloping...7,800 feet altitude), just visible through the narrow, cliff-edged, V-shaped gap in the valley, is situated...Uncompahgre River can be traced southward through the narrow, deep gorge and continues to the left of Abrams...prospects that constitute the Uncompahgre mining district are located mostly within the cliffy slopes |
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| 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 '‘Schoolmarm” 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 |
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| 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 |
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| expanded shale plant, Summit County, Utah Holnam’s Devil’s Slide plant, Morgan County, Utah !7IB5F7-jbgfej...THE INTERMOUNTAIN WEST FORUM 1999 Salt Lake City County Building constructed of Kyune Sandstone Proceedings...detailed studies of these resources including mining district and field studies; develops computerized resource...surficial geology of the state at a regional scale by county and at a more detailed scale by quadrangle. The...experience it metals mining heritage via an underground mine tour of the Ontario mine and to enjoy the scenery |
 | | Book (volume) |
| Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |
 | | Book (volume) |
| Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |
 | | Book (volume) |
| ae TONITE TN263. Au. =American Institute of Mining, Metallurgical, V.2 and Petroleum Engineers Ore...Inst! itute i an Americ ie Lye 2 of llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits...(1933) AIME TRANSACTIONS VOLUME AIME TRANSACTIONS MINE PLANT VOLUME 112, MILLING METHODS (1933) (1934)...AND ZINC (1936) 134, MILLING METHODs 141, METAL MINING (1939) (1937-40) BLAST FURNACE, COKE OVEN AND...AIME TRANSACTIONS VOLUME 178, MINING GEOLOGY AIME TRANSACTIONS 181, MINING, INDUSTRIAL MINERALS, EDUCATION |
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| Historic Mining Camps and Jurassic Calderas By BRENDA HOUSER With a paper on the GREATERVILLE PLACER...PLACER DISTRICT By LESLIE Cox ARIZONA GEOLOGICAL SOCIETY FALL FIELD TRIP, 1992 Arizona Geological Society...O. Box 4 0 9 52 Tucson, AZ 8 571 7 Historic Mining Camps and Jurassic Calderas, Southeastern Arizona...HOUSER With a paper on the GREATERVILLE PLACER DISTRICT By LESLIE Cox ARIZONA GEOLOGICAL SOCIETY FALL...Cemetery ................... 12 Mowry Town Site and Mine ........................ 14 Mowry Sme ter l Site |
