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| BULLETIN 4=78 GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO BY JOHN DUER IRVING AND HOWLAND BANCROFT........................................ Official mining districts.............................................. Hinsdale volcanic series........................................... Lake City district............................................ ^......... Hinsdale volcanic series......................................................... Ore deposits of Lake City district....................................... The |
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| MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,• F. SL^CK U.S. Geological...Polymetallic vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have producedapproximately$12...northeast,and east sides of the 22.5-m.v.-old Lake City caldera. The veins,typically0.5 to 1.5 m wide...fractures and faults outside the ring fault of the Lake City caldera and within the moat area of the older...fracturesand faultsexclusivelyon the north side of the Lake City caldera, witere vein minerals include' pyrite' |
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| For August, 1935 __ __ ,,. PAe& The Boulder, Colorado, Tungsten Area. By Ronald L. Ives ........ 113............................. 12 3 Lake City Mining District, Colorado. By David Seaman ........... 124...The Boulder, Colorado, Tungsten Area By RONALD L. IVES Since the early days of placer mining mation is pre-Cambrian...pre-Cambrian, with three, in Colorado, those who panned the and possibly four mineralizations, the creeks...remainder FeWO, .... Ferberite hlgh country of Boulder County, Color20-80 % Mn WO., ado, near the town of Nederland |
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| ...........................................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 – Cochise Co. Mining Districts .................................... |
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| 46 ISSUE 12 All about My First Tucson Show Lake City Mines and Minerals Guatemala’s Secret Minerals...a special group of people. By Bob Jones LAKE CITY, COLORADO 34 Enjoy its mines, minerals and mountains...died Sunday, Sept. 18, 2016 at his home in Lake Havasu City, Arizona. He is survived by his second wife...The BECMM sponsors digs at the old Eureka Prospect mine near Marion, and it routinely produces the midnight-purple...that one can wear with pride! —Jerry Gehre Johnson City, TN CONTEST RULES Would you like to be named Lapidary |
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| ...........................................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 variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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| ...........................................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 variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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| Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...location, area, and organization of the mining counties of Colorado _________________________ _ Adams County_-..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |
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| Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho... Recently, archaeologists working in the remote Lake Rudolf area of Africa's Kenya found shaped stone...cultural evolution and the possibility of language. The Lake Rudolf implements are some 1,800,000 years older...the Bronze Age in central Europe, the prehistoric Lake Dwellers were boring holes into garnets and stringing |
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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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| to civilization. . . it is clear that 1825 mining opened the West- . —Charles W. Henderson, 1933...Highlights in the history of New Mexico mineralogy and mining 3 5 Prehistoric utilization of minerals New...SUBDISTRICTS, CAMPS, ETC. 569 BIBLIOGRAPHY 597 MAP: Mining Districts of New Mexico in pocket II. PREFACE...highlights in the his- New Mexico mineralogy and mining— including a section on the prehistoric utilization...edition, 1892. A. H. Fay (1920) A glossary of the mining and mineral industry. R. E. Grim (1953) Clay |
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| Univ. of So. Florida Richard W. Thomssen Carson City, Nev. photography Nelly Bariand Sorbonne, Paris...Weber Mamaroneck, N.Y. Articles Collecting gold mining memorabilia.......................................... 337 by D. J. Mossman The Colorado Quartz mine, Mariposa County, California: a modem source of crystallized...information contact: Gale Thomssen P.O . Box 1656 Carson City, NV 89702 702-883-2598 Registration deadline: January...experiences her interest in mining and minerals began to grow. In 1929 she moved to the mining town of Bisbee and |
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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ................................................Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County .......Creek County ............................ . 103 Ores from the Argentine to the Tenmile district .. : .................. . 104 Ores of the Tenmile 'district ................................................ |
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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...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39...disseminations_ Cotopaxi mine _____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property |
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| MINOR ELEMENTS RICHARD IN SPHALERITE. E. STOIBER. ABSTRACT. New spectrographicanalysesand previ...on provideddata concerningelementspresent in sphalerite in minor amounts. The variation in minor element...correlatedwith the type of mineral depositin which the sphalerite occurs. Antimony, mercury, thallium, and arsenic...arsenic are largely restricted to sphalerite from mineral depositscommonly consideredto have formed at low...temperatures. Other elementsare widely distributed in sphalerite from many types of deposits. The manganese concentration |
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| 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. ................... _............. _....... __ |
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| GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G...High terrace gravel_ 15 Low terrace gravel_ _ 17 "Lake beds"_ 17 Character and distribu17 tion _ Deformation...porphyries at Lead85 General features _ 52 ville _ Cloud City and Valentine faults_86 52 Forms of intrusive bodies_...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _ |
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| Western Sierra C:ourlty, New Mexico, Suggested by Mining Distri.cts, Ceologyt and c ·eochemicaf, Anomalies... Mineral Belts in Western Sierra County, New Mexico, Suggested by Mining Districts, Geology, and Geochemical...information on mineral belts in western Sierra County, New Mexico, indicates many new areas favorable...1921Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical...resources-New Mexico-Sierra County. 2. Geology-New Mexico-Sierra County. I. Heyl, Allen Van, 1918- II |
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| California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens |
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| of Science A. I. M. E____ American Institute of Mining and Metallurgical Engineers Aardrijksk---. Aardrijkskundig...cientlfica Circular Classe classification Company, County Collections Committee Communications Comparative...Devonian development diagram Direcci6n Dissertation district distribution division Doctoral, Document Doctoral...Meteorological, etc. microscopic, etc. Mimeographed Mineral, Mining min. res_ _ _ _ _ mineral resources Mineralog_____...American Institute of Mining and Metallurgical Engineers: Contributions 134, 136-139; Mining and Metallurgy |
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| so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp |
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| Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS Field Notes .............................18 Chance Encounter Creates Opportunity to Mine for Variscite By Helen Serras-Herman 20 CRYSTAL... www.PrescottGemMineral.org ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...(weather permitting) Rock Shop Hours: 7:30 am-4:30 pm Mining hours: 8:00 am-4:00 pm 775-941-0374 Come enjoy...smaller specimens were discovered near Globe, Gila County, Arizona, during a careful search that lasted about |
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| BILLINGS, Geoscience PAIGE W. CHRISTIANSEN, Historian-Mining ALLAN R. SANFORD, Geophysics F RA N K B. TITU... BULLETIN 10 The Geology and Ore Deposits of Sierra County, New Mexico by GEORGE TOWNSEND HARLEY 1934 New...Director A Division of New Mexico Institute of Mining and Technology Stirling A. Colgate, President ...Sec. 63-1-4 Printed by New Mexico Institute of Mining & Technology Photo Laboratory, Sept. 1972 Bound...------------------------------------------- 15 Mining districts 16 Climate and vegetation ---------- |
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| COLORADO STATE GEOLOGICAL SURVEY BOULDER R. D. GEORGE. State Geologi.t BULLETIN 3 G E O L O G Y A...N D O R E DEPOSITS OF THE ALMA DISTRICT PARK COUNTY, COLORADO BY HORACE B. PATTON ARTHUR J. HOSKIN...Charles A. Lory Governor of Colorado President University of Colorado President State School of Mines...TRANSMITTAL State Geological Survey, University of Colorado, December 1, 1912. Governor John F. Shafroth,...the honor to transmit herewith Bulletin 3 of the Colorado Geological Survey. Very respectfully, R. D. GEORGE |
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| 21 by G. Steger George Wade Foott: Contemporary mining artist. . . . . . . . . . . . . . ...cm (4 inches), from the Morro da Mina manganese mine, Conselheiro Lafaiete, Minas Gerais, Brazil. Probably...2008 issue for his article on the Mockingbird gold mine). Like the rest of us on the staff, he will be striving...tableland between the Andes Mountains and the Atlantic Ocean, is so remote and inhospitable that it remained...northwest of Calafate, which is on the southern shore of Lake (Lago) Argentino in the western part of the Province |
