 | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...__________________________ Principal rocks of the district.________________________ Pre-Cambrian rocks__..._____ Age_ __________________________________ Boulder Creek granite and related rocks. ____ Distribution |  | | Report (volume) | | Director Bulletin 922-F TUNGSTEN DEPOSITS OF BOULDER COUNTY, COLORADO BY T. S. LOVERING Prepared...Prepared in cooperation with the COLORADO METAL MINING FUND and the COLORADO GEOLOGICAL SURVEY BOARD Strategic...of the district....... ILLUSTRATIONS Page Plate 24. Map showing location of Boulder County tungsten...........In pocket 25. Geologic map of Boulder County tungsten belt and adjacent area......................In pocket Figure 25. Ferberite concentrates produced in Boulder County 1900-1938................. |  | | 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..._ Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39 |  | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | | Journal (issue) | | 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 Club...50 The Boulder, Colorado, Tungsten Area By RONALD L. IVES Since the early days of placer mining mation...mation is pre-Cambrian, with three, in Colorado, those who panned the and possibly four mineralizations, the...creeks of the high couutry in Boulder last being Tertiary. The tungsten minCounty ,vere annoyed and irritated |  | | 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 (issue) | | Gary Gianniny, Fort Lewis on the Water (FLOW) Colorado Glaciology | June 25 | Minturn/Vail, CO Trip leader:...journal, and special publications such as Subsurface Cross Sections of Southern Rocky Mountain Basins. We recognized...coal mine in SW Wyoming. Facies of Tidal Origin, Eastern New York.’ Our trip leadThere a huge mine face...of exceptional glacial features in the central Colorado mountains » CONTINUED FROM PAGE 12 outcrop...Leadville area on a bike tour of this historic mining district • Consider applications to exploration and |  | | Report (issue) | | AND TECH NICAL STAFF OF THE IMPERIAL INSTITUTE TUNGSTEN ORES BY R. H. RASTALL, M.A., F.G.S. .. UNtV...HATCH, F.G.S., Consulting Mining Engineer; Past President, Institution of Mining and Metallurgy. Captain...Empire. No attempt has been made to give details of mining or metallurgical processes. HARCOURT, December...Mineral Resources Committee. CONTENTS CHAPTER I TUNGSTEN ORES : THEIR OCCURRENCE, CHARACTERS AND USES ... PAGE I CHAPTER II SOURCES OF SUPPLY OF TUNGSTEN ORES (a) BRITISH EMPIRE: Europe: United Kingdom |  | | Journal (article/letter/editorial) | | SOCIETY 1947 No. 5 RED ROSE TUNGSTEN BRITISH COLUMBIA.* MINE, JOHN S. STEVENSON. CONTENTS. PAGE...December 27, 1946. Published by permissionof the Chief Mining Engineer, B.C. Department of Mines. 433 434 ...ABSTRACT. The Red Rose mine was British Columbia'slargest producer of tungsten during World War II. Scheelite...batholith. The minerals include scheelite, some ferberite, and, in order of abundance: quartz, orthoclase...Goldschmidtin his rule for isomorphism of elements. Tungsten was absent in all the rock analyses; apparently |  | | Journal (article/letter/editorial) | | PRELIMINARY REPORT CHICHAGOF ON MINING JOHN THE ORE DEPOSITS DISTRICT, OF THE ALASKA.* C. REED....during the summer of •938 in the Chichagof mining district, southeasternAlaska. This report is be followed...Chichagof mines, the two principal mines of the district, which have producedabout $•6, ooo,oooworth of... ANTHRACITE DEVELOPMENT DISTRICT, E. IN THE CRESTED BUTTE COLORADO. C. DAPPLES. Effects of factors...Anthracite-Crested Butte Quadrangles, Colo. The district is one of gently dipping Cretaceousstrata containingcoal |  | | Journal (article/letter/editorial) | | ECONOMIC GEOLOGISTS AND THE AMERICAN INSTITUTE OF MINING AND METAL- LURGICALENGINEERS, NEW YORK MEETING...cassiterite and columbite-tantalite. Prospecting and mining have been particularly active since World War II...in zonedpegmatitescanbe appliedto prospectingand mining of pegmatite depositsin these two areas of South...places the best geiger readings are obtained where cross reefs or fractureswith a northeasterlystrike meet...company,Territory EnterprisesLtd., is developingand mining depositsat Rum Jungle itself and other companiesand |  | | Journal (issue) | | Happen Here! A Visit to the Shin-Otani Manganese Mine, Japan Alfredo Petrov alfredopetrov@earthlink.net...small of a hole in the ground merits being called.a mine. None of these mines is in operation anymore, but...show in April mentioned that a nearby manganese mine was now a museum open for underground tourism, I...to the Shin-Otani mine in the Tanba mining district. This manganese mining district includes 277 mines...drive away. After mining in the Kyoto area ended, little more than 20 years ago, mining and miners were |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Joe Polityka Staten...could earn a better living as a mining geologist with the then robust mining company, Union Minére du Haut...important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902–1978). Gilbert...to make vacation journeys to other great African mining districts including those in Southern Rhodesia |  | | Journal (issue) | | Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................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...Alveum, R obert Dow, and G eorge Robinson. T he mine is now being worked interm ittently each year for |  | | Report (issue) | | LLC Denver, Colorado USA © 2009 by Lithographie, LLC P.O. Box 11613 • Denver, CO 80211 • USA Phone 1.303...plwto Plldi.wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt...and Erica Van Pelt Lithographie, LLC • Denver, Colorado 60° 10 B R A S I L 14 PAZ /LAApolo 0 CRUZ............................ 4 BY ALFREDO PETROV Mining, Politics, and Tumult: A Brief Look at Bolivian...BY JAROSLAV HYRSL AND ALFREDO PETROV The Poopo District ............................................. |  | 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) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (issue) | | A.R.S.M., MINERAL RESOURCES No. 15. THE TUNGSTEN-MINING INDUSTRY IN NEW SO'UTH WALES. BY J. E....A.R.S.M., MINERAL RESOURCES No. 15. THE TUNGSTEN-MINING INDUSTRY IN NEW SOUTH WALES. BY J. E. CARNE...a Mining Industry Government This work in New South Wales, by Mr. pamphlet on the Tungsten J....E. Came, F.G.S., Assistant Geologist. is Tungsten (No. really a third edition of 2 of the and...information which will found useful by those engaged in mining for Wolfram and Scheelite. considerable amount |  | | Journal (article/letter/editorial) | | Series o10.Lansing, 1913.] -American Institute of Mining Engineers, Transactions of the. Vol. XLVII. Containing...1914.] -ANDROS, S. O. Coal Mining Practice in District V. [Illinois Coal Mining Investigations, Bulletin...the Area Embracing the Burbanks and Londonderry Mining Centers, with Special Reference to the Ore Deposits...Geological Survey, Bulletin IX.] -CANTRILL,T. C. Coal Mining. Literature, No. 82. Cambridge: [The Cambridge...1913.] -CRoss, W., AND LARSEN,E. S. Contributions to the Stratigraphy of Southwestern Colorado. [U.S. |  | | Report (issue) | | 4 cm, from the Palelni mine, Molo village, Momeik Township, Kyaukme District, Shan State, Myanmar. The...==== of the rare brochantite of the Los Azules mine in Chile: spherical tufts of emerald-green fibrous...matrix. Brochantite, 4.8 cm, from the Los Azules mine, Quebrada San Miguel, Copiapo Province, Atacama...pseudomorphous after chalcocite from the Las Cruces mine near Seville in southern Spain: you’ll perhaps recall... newly recovered chalcocite specimens from that mine to the 2020 Tucson Show (see the show report in |  | | Report (volume) | | the Eldorado Springs Quadrangle Boulder and Jefferson , Counties, Colorado C_-J / By JOHN D. WELLS CONTRIBUTIONS...__________________________ Boulder Creek Granodiorite__________________________ Inclusions in the Boulder Creek Granodiorite_________..._________ 6. Boulder Creek Granodiorite_-_------___----___7. Inclusions in the Boulder Creek Granodiorite____...THE ELDORADO SPRINGS QUADRANGLE BOULDER AND JEFFERSON COUNTIES, COLORADO By JOHN D. WELLS ABSTRACT The...margin of the Front Range immediately south of Boulder and about 25 miles northwest of Denver. The western |  | | Journal (article/letter/editorial) | | Ottens specimen and photo. The Yaogangxian Tungsten Mine Downloaded by [Florida International University]...University] at 20:11 23 August 2013 Yizhang County, Chenzhou, Hunan Province, China BERTHOLD OTTENS Klingenbrunn-Bahnhof...economy, and although perhaps not a major metal, tungsten still plays an important role (Maby 2000). China...of the world’s tungsten and contains nearly 45 percent of the world’s known tungsten reserves. Clearly...Clearly, tungsten figures prominently in China’s overall mining industry. In the year 2000, about 37,000 tons |  | | Report (issue) | | AND CLAY MINERALOGY OF THE CHIEFTAIN MINE, DINOSAUR RIDGE, PATCH MINE, AND OTHER LOCALITIES ALONG THE FRONT...FRONT RANGE FROM DENVER TO BOULDER, COLORADO Clay Minerals Society 39th Annual Meeting and Field Trip...Geological Survey Open-File Report 02-413 Denver, Colorado 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A............................ 10 Field Trip Guide Boulder Flatirons ............................................................ 11 The clay industry in Colorado ..................................... 13 Rubey |  | Lerouge, C., Deschamps, Y., Piantone, P., Gilles, C., Breton, J. (2007) METAL-CARRIER ACCESSORY MINERALS ASSOCIATED WITH W Sn MINERALIZATION, LA CHATAIGNERAIE TUNGSTEN ORE DISTRICT, MASSIF CENTRAL, FRANCE. The Canadian Mineralogist, 45 (4) 875-889 doi:10.2113/gscanmin.45.4.875 | Journal (article/letter/editorial) | | W ± Sn MINERALIZATION, LA CHÂTAIGNERAIE TUNGSTEN ORE DISTRICT, MASSIF CENTRAL, FRANCE Catherine LEROUGE...mineralization hosted in schist of the La Châtaigneraie district, French Massif Central, is genetically related...types are distinguished: (1) potentially economic ferberite-bearing quartz veins, (2) uneconomic auriferous...significant traces of Sn, W and Sc. Ferrocolumbite in ferberite-bearing quartz veins has a Ta/(Ta + Nb) value...stocks, Late Variscan, La Châtaigneraie W ± Sn district, French Massif Central. Sommaire Les roches minéralisées |  | | Journal (article/letter/editorial) | | SCHEELITE IN THE PRECAMBRIAN OGDEN GNEISSES OF COLORADO TWETO CONTENTS PAGE Abstract ............................................ Tarryall Springs district ......................................... Blackhawk......................... 1420 Copper Mountain district, Wyoming ............................... Other...Precambrian age has been found at several localities in Colorado and Wyoming in recent years. Most of it is disseminatedin...Geological Survey. SCHEELITE IN GNEISSES OF COLORADO I NTRODUCTIO 1407 N ß SCaEEL•TEwas discoveredin |  | | Report (volume) | | Deposits of the Mount Antero Region, Chaffee County, Colorado By JOHN W. ADAMS A CONTRIBUTION TO ECONOMIC...---The beryllium-bearing vein at the California mine.-___-_-----_-._-Location and history...________...119 ILLUSTKATIONS Page FIGURE 26. Index map of Colorado showing location of Mount Antero area________...---------27. Part of the Garfield quadrangle, Colorado and contiguous unmapped area_______--__--__--...Aerial photograph of area surrounding the California mine _ _ _ _ 29. South slope of Carbonate Mountain, looking |
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