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| 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__..._____ Lithology and petrography.______________ Quartz-biotite schist and gneiss. ______ Quartzite_ _ |
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| PORTUGAL A surprising number of the world’s tungsten deposits have been a source of superb mineral...over the last several decades has been the tungsten mine at Panasqueira, Portugal (fig. l), with its...its unusually high-quality ferberite, apatite, quartz, arsenopyrite, and cassiterite. This vein system has...cleavage and uneven fracture. Figure 1. Panasqueira mine dumps in the distance; photo by John S. White, 1977...occurrences that range from greisens, pegmatites, and quartz veins intimately associated with granitic intrusives |
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| Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................w hether those expenditures will turn out to be good investments. In other words, can the buyer later...seller’s responsibility to make sure the item is a good investm ent at the price. If it turns out to be...to blame when he finds he cannot resell them at a good price. Investing in minerals is clearly not for |
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| it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut..... .Prof. William...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |
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| ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |
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| manufacturer who has demonstrated his ability to make good on all these points. The steadily increasing use...PENTARCO oils is founded upon our ability to make good. Samples and Literature for the asking PENSHCOU...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 |
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| favorable factors. NUMBER 350 has fairly gained a good reputation which no extravagant claims could strengthen...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 |
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| atid aeseae eueneSasehr i ia Bdtit _WYOQMING COLORADO _ LADORE 7C CRAIG r3GRANBY 17d KREMMLING...COEORADORI 2 NEW MEXICO x pec, Inn? UKE) COLORADO TOURS LEGEND NUMBERED TOURS UNNUMBERED TOUR...Gallege COLORADO A Guide to the Highest State WITHDRAWN AWAACK TAY 2 \e Line COLORADO A Guide...Program Projects Administration of the State of Colorado AMERICAN GUIDE SERIES ILLUSTRATED HASTINGS...Note About the New Edition This revision of Colorado, A Guide to the Highest State, brings abundant |
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| California. April 2—Annual desert meeting of Western Mining Council, Inc., at Yucca Valley, California. April...April 16—Yuma Bandollero trek to Laguna Dam on the Colorado River. April 16-17—Annual gem and mineral show...Sierra club to camp at Dos Cabezas on edge of Colorado desert. APRIL, 1950 Volume 13 APRIL 1950 ...27 LETTERS Hard Rock Shorty of Death Valley MINING Views and comment by Desert readers NEWS Current...and abiding religious faith—and they are good neighbors and good citizens. Morgan Monroe, who wrote this |
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| Gems and Minerals —Edited by ARTHUR L. EATON . . MINING Briefs from the desert region LETTERS Comment...direction of W. G. McGinnis of the Southwest forest district. The locations are widely scattered, extending...faded into the San Juan mountains in southern Colorado. Two months later I jounced over the rutted road...cholla. Or to visualize him on the dawn after Good Friday secretly burying a compadre or relative who had...bough covered ramada of Juan's place we could get a good view of El Gobernador. The mountain could be reached |
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| 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |
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| Old Stage Trail • Indian Rancherias • Gem Fields • Good desert roads • Camping Areas • Ocotillo Forests...El Centro STATE PARK your supply headquarters. Good water is available at many places in the park and...Sunrise services to be held at Grand Canyon of the Colorado in Arizona. APRIL 9—Easter Sunrise service in...Ramona pageant at Hemet, California. APRIL 22—District convention of Pilot International in Tucson. APRIL...LEGEND WEATHER BOTANY GEOGRAPHY LANDMARK NEWS BOOKS MINING COMMENT POETRY The Silly Coyote As told to HARRY |
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| Mining and Mineral Operations In the Pacific Gy BS. alae ih if Br pedal Center on 50, OC-521: LPO...is ——— ee O ae SS ot a - By oh Zz ai! MINING AND MINERAL OPERATIONS IN THE PACIFIC STATES A...cataloged as follows: United States. Bureau of Mines. Mining and mineral operations in the Pacific States:...and nonmetallics. Stable and economic domestic mining, mineral, metal, and mineral reclamation industries...enjoy your experiences. This pamphlet, a guide to mining and mineral operations that may be observed or |
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| MARSHAL SOUTH NEWS Here a n d There on the Desert MINING Current briefs from desert region HOBBY G e...DORR Photos courtesy of Taylor Museum, Colorado Springs, Colorado Drawings by Alfred Morang, Santa Fe,...remoteness of old Spain. It was ten o'clock on Good Friday morning. We had left our car and now stood in...us to remain for the last of the ceremony of Good Friday—the Tinieblas. She explained that this was symbolic...home. Wish I could take some kodachromes over here. Good luck to Desert—and keep them coming. C. DELMER JEANS |
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| Club tour to Vulture Mine, Wickenburg, Arizona. Mar. 4—Don's Trek to Lost Dutchman Mine, Superstition Mountains...Mar. 11 — Second Annual.Almond Blossom Festival. Quartz Hill, California. Mar. 12-18—National Golf Championship...Springs, California. Mar. 13-14—Kennel Club Dog Show, County Fair Grounds, Tucson, Arizona. Mar. 16-18—Winter...KNAUS I Found the Watering Place of the Bighorn MINING WILDLIFE 3 4 9 By GEORGE M. ROY FIELD TRIP Gem...CONTEST Wildflower Forecast for March NEWS QUIZ MINING LAPIDARY HOBBY COMMENT BOOKS Prize announcement |
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| Some mines of the Mt Isa District, Queensland Part 3 - The Mount Oxide mine ............ B. Day & B....England The Francis Collection A. Pring 21 Post mine sulphates from Teutonic Bore base metal deposit...Mimetite crystals from Sabine's Shaft, Mount Bonnie mine. 44 km north-west of Pine Creek. Northern Territory...km t N LEGEND Figure 3: Plan of the Mt Oxide mine. Main Road Dirt Road GEOLOGY Track Camel Pad...Pad (1908) Figure 2: Map of the Mt Oxide mine region. Henry eventually pegged the claim in 1900 and placed |
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| 24 Oxford Street, Cambridge, Massachusetts 02138, USA. The Commission thanks the members of the subcommission:...Sunday 10:00 to 17:00, closed Christmas and Good Friday; annual attendance 500,000. Exhibits: The mineral...available for exchange. Open to the public: Monday to Friday 9:00 to 17:00. University of South Australia Department...has origins from most parts of the world, i.e. a good general teaching collection. Uses and services:...April) 14:00 to 17:00, closed Christmas Day and Good Friday; annual attendance 425,000. Exhibits: Collection |
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| listed on pages A253A258. Numerous Federal, State, county, and municipal agencies listed on pages A205-A210...---34 Utah --------------------------------35 Colorado ----------------------------35 lCansas ------...health-Continued Water-contamination studies-Continued Acid mine water -------------------------Industrial effects..._ Quaternary geology ______________________ _ Colorado Plateau -----------------------------Geologic...agencies ------------------------------ 205 State, county, and municipal agencies __________ _ 205 U.S. Geological |
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| ........................ 370 AFAMOUS FORGOTTEN QUARTZ CRYSTAL LOCALilY, CRYSTAL HILL NEAR DELAWARE WATER...·······-··········· 372 MARSHAL L PLAN Ams ALGERIAN MINING •·•·························· ...................outdoor photography, drove me from Los Angeles County via las Vegas to the locality in southwestern Utah...unimportant. I. R. Vawdry, a well-known figure of the district around St. George, came across a seam of this...risk of being overpowered by the scenery of that district. N ear, far, and at middle distance, he is conf |
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| A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Tucker, Reid J. Mining Engineer District Sampson, Assistant Mining Engineer District Engineer Chas...Chas. V. Averill, District Mining Engineer George John L. Gary, Mineral Technologist F. Bongard, Ore-Buyers'...C. Statistician and Curator O'Brien, Junior Mining Engineer (Librarian) Eldridge D. Drew, Geological...OF CONTENTS Page DISTRICT REPORTS OF MINING ENGINEERS 7 Sacramento Field District 7 San 7 Francisco |
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| Investigation of Gilley Fluorspar Deposits in Cherokee County, Alabama, by James F. O'Neill. It is interesting... 50 miles northeast of Birmingham, in Cherokee County, located in West 1/2, West V2 of Section 16, Township...fluoresces blue (through the quartz) under the Mineralight; in addition the quartz crystal has a colorless...the oil treatment. (Ed. Note—all specimens very good). "I intend to write up the trip for you and will...which comes from the Culver-Baer mine, Sonoma Co., Calif. Colorado—An interesting article, "Cordierite |
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| Neumann which he claimed were from Bedford United Mine. The x-ray results (powder photographs) showed one...almost identical to specimens from Tintic, Utah, USA As Kingsbury is known not to have collected, or retained...turned his attention to the area in the North Lake District, around the Caldbeck Fells. At that time, the...Upper Brandy Gill, now known as Brandy Gill Lead Mine. Over succeeding years, he forwarded specimens purportedly...Lindgrenite, descloizite etc., from Brandy Gill Lead Mine. Lindgrenite has been searched for by many collectors |
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| test of y o u r d e s e r t k n o w l e d g e LOST MINE Lost V e i n in the C h o c o l a t e s . . ...and parade, Billings, Montana. 4 By JOHN HILTON MINING INDIANS June 14-15—Desert Peaks section, Sierra...WhenRawhideRoared Here's a new one for the rock and mining fraternity—Cooganite. Probably you never heard...$50 for the best during the heydey of Rawhide's mining boom. But if any of the rock collectors want to...cabinet they will learn the secret in this ghost mining town story written by a member of Desert's staff |
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| International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...CHRISTIAN WEISE VERLAG, GERMANY AND LAPIS INTERNATIONAL, USA Tourmaline ♦ History ♦ Mineralogy • Tourmaline...were uncovered there until the 1860s when a true mining effort was directed at the outcrop (King, 2000)...view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA. D. Sterrett |
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| listed on pages A259-A264. Numerous Federal, State, county, and municipal agencies listed on pages A211-A215...____________--------_---_--_Utah......--_---------------.--------Colorado.. ------------------------Kansas.______--_---...Pesticides and detergents in water.___________ Acid mine water.___________________________ Municipal and...Wyoming.____________________ Colorado __ _______________________________ Colorado Plateau________________________________...__ Utah..____________________________________ Colorado. _ _________________________________ New Mexi |
