 | | Report (issue) | | which have been formed to exploit them. WASHINGTON COUNTY. AMERICAN MOLYBDENUM COMPANY'S PROPERTY. Location...Waldemar T. Schaller has recently shown that it is iron molybdate in all specimens that he has examined...wholly unsuited to deposits like many of those in Colorado and elsewhere, in which the.individual flakes...are of almost microscopic size. CALAIS MOLYBDENUM MINING COMPANY'S PROPERTY. The property of the American...adjoined on the north by that of the Calais Molybdenum Mining Company. 234 CONTRIBUTIONS TO ECONOMIC GEOLOGY |  | | Report (issue) | | Geological of America, Boulder, INC. Place Colorado Printed in the United States by Edwards Inc...8137-1131-2 Published THE GEOLOGICAL Society Card Colorado Michigan Soctety 80301 48104 The publication...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...296 Central City-Idaho Springs ... eocveeeee 299 GUSTERL SESS AGe een cagr oon base Grp CmCECC ew aieis...e@eeeeeeoe 323 COLORADO PLATEAU (COLORADO-UTAH-NEW MEXICO-ARIZONA) ... 323 A. Rifle area, Colorado «0s... 323 |  | | Journal (volume) | | f.p. for for:v -" ...THE EN. N o GI "RNAL MINE NI'N NG G. J ou VOLUN/1E JANUARY TO LXIII. ...YORPQ. : - . - ". • : THE ENGINEERING AND MINING JOURNAL. VOLUME LXIII. JANUARY TO JULY, 1897...BOOKS NOTED ARE IN ITALICS.) - Alabama Coal and Iron Ore.......... 16 Aluminum in 1896.................Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97 63, 159 Aluminum Reduction, Gooch's...118 Alabama Industrial and Scientific Amador Queen Mine, Cal..... ...... 263 Acetylene Gas, Conner's Pat |  | | Book (edition) | | production, and prices often so low as to make mining unprofitable; and the end of that period has not...to record production since 1930. Just now gold mining appears to be the only metal industry which is...early years of this country accentuates the and silver deposits are approach- interesting fact that the...utility— Ore and gangue— Tenor of ores Iron- C'opper Lead— Zinc Silver- -Cold— Tin, etc,— Prici' of metals-'-...—Interpretation sulpliide waters — Chloride water analyses Mine waters waters— Sulphate waters Oxidation of waters—“Carbonate |  | | Book (edition) | | Deposits XV. 429 Iron Ores 502 XVI. Copper 568 XVII. Lead and Zinc XVIII. Silver 621 Lead Ores...Ores XIX. Gold and 658 Silver 676 XX. Minor Metals. Aluminum, Manganese, Mercury XXI. Minor Metals...anthracite region 10. Structure section in Tazewell County, east of Richlands, southwest 8. 9. 12. 13. ...coal field Shaft house and tipple, bituminous coal mine, Spring Valley, 111 Northern Interior coal field...showing distribution of different kinds of coal in Colorado Map showing distribution of different kinds of |  | | Report (volume) | | --- 143 144 146 147 147 147 Mining and treatment of diamond-bearing material._____-_.__ Concentrate...ore_______________________________________________ Iron ore_____________________________________________________...________________________________ Copper, gold, and silver.______________________________________ Clay___..... 183 / Cold springs....-___-_______________------_----_---------. 186 ! Hot springs............_____-___...railroad cut 2K miles south of Gillham, Ark.; B, Pike gravel member of the Trinity formation at Bluff |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |  | | Journal (volume) | | recent de¬ velopments and advances evolved in the mining and metallurgical world. Embracing the latest sta¬...1901, X. 1902, XI. IQ03, XII. The Engineering & Mining Journal 261 Broadway, New York 20 Bucklersbury...BY The Editorial Staff of The Engineering and Mining Journal The Work on This Volume Has Been More...ENGINEERING AND I9°4 MINING JOURNAL EDITORIAL STAFF OF THE ENGINEERING AND MINING JOURNAL T. A. RICKARD...ungsten—Gold—Iron—Iridi¬ um— Lead—’Molybdenum — Nickel—-Platinum — Quicksilver— Silver—Tungsten—Zinc—Ores |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing...Geophysical studies Hydrology Economic geology Mining directory Environmental studies Engineering studies................................................. Silver ................................................. . . . . . . . . . . . . . . . . . . . . Iron, Nickel-Iron ......................................... |  | | Book (volume) | | Engineering News-Record Power V Engineering and Mining Journal-Press Chemical and Metallurgical Engineering...Alaskite-quartz intrusive lenses. Silver Nevada Peak, Nevada 3. 6. Drinkwater mine, Silver Peak. Vertical cross-section...cross-section Forking of quartz lens Silver Peak. Lenses of quartz and alaskite Silver Peak. Magnified thin sections... 1. Zone 4. 5. of auriferous quartz lenses, Silver Peak, 91 Hackett-Woosey vein. Herb Lake, Manitoba...Manitoba 11. Great Gulch mine. Silver Peak, Nevada 12. Great Gulch mine, Silver Peak, Nevada Surface plan |  | | Book (edition) | | hydrated silica; and limonite, an amorphous hydrated iron oxide. CRYSTALLOGRAPHY AND CRYSTAL CHEMISTRY The...trigonal copper trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal...bonding is essenrestricted to hydrous minerals (bearing H2O ) and is usually insignificant. Ice is one...present in mineral-forming environments such as springs or caves. The explanation is that the chemical...result take different names depending on the ratio of iron to magnesium (breunnerite, mesitite, pistomesite) |  | | Report (volume) | | ....................... 7 9 9 9 Lead Mining, 9-Ziuc Mining, 12. CHAPTER II. LE Ao ANn ZINC AND ~·rre:m............................. 105 The Gnanajuato District, Zacatecas and Freenlllo Districts, Durango, 106-Pachnca...of Canada .................. 111 West Kootenay District, Ill-North Shore of Lake Superior, 112 . CHAPTER...Fredenevllle, 121-Blair county, 122-Lancaeter county, 123-Northnmberland county, Chester county, 12~. New Jersey................... 125 Sterling Hlll, Mine Hill, 12G-Warren county, 127. Maryland ............. .... |  | | Book (edition) | | Meteorites Metals Radioactive Minerals Gems Fossil Fuels Mining Collecting as a Hobby RICHARD M. PEARL $1.95 ...Richard M. Pearl, Associate Professor of Geology, Colorado Co1lege, is the author of H ow to Know the Minerals... • 43 62 • . . • • 74 96 • 107 123 • IRON AND FERROALLOY METALS IX RARE AND UNUSUAL METALS...AND ROCKS 221 XIII THE FOSSIL FUELS 246 XIV MINING AND MILLING xv WATER RESOURCES XI XVI 272...salt before blasting Rolling sheet of sterling silver Agatized \\'Ood, Petrified Forest National Monument |  | | Report (issue) | | A293-A298 of this chapter. Numerous Federal, State, county, 1and local agencies and other organizations and...-----------Arizona _______________________________ _ Colorado _______ --_-------------··------ v A35 35 36...cooperators ____________________________ _ 251 State, county, and local cooperators ______________ _ 251 Other...Regional offices ________________________ _ 259 District offices _________________________ _ 259 Offices...Bodie district, Oalifornia.-Detailed geochronologic studies in the Bodie district, Mono County, Calif |  | | Journal (volume) | | Engineering and Mining Journal; ROTH WELL INGALLS Member American Institute of Mining Member Institution...Institution of Mining and Metallurgy; Engineers; Member Mining and Metallurgical Society of America ; Member...T to XVII PUBLISHED BY THE'ENGINEERING AND MINING JOURNAL McGRAW-HILL BOOK COMPANY SOLE SELLING...19IO Copyright, 1910, BY The Engineering and Mining Journal , Hill Publishing Company New 7 orb...Consul-General of Bolivia, New York. Mining Engineer, Butte, Mont. Tin Mining in Bolivia. Coal Alining in Montana |  | | Book (edition) | | BASE METALS 123 II III VII VIII IX X XI XII IRON AND FERROALLOY METALS 150 RARE AND UNUSUAL METALS...AND ROCKS 221 XIII THE FOSSIL FUELS 246 XIV MINING AND MILLING 263 XV WATER RESOURCES 272 MINERAL...Age into the Age of Iron. In a very real sense we still live in the Age of Iron, or more truthfully,... siderite) was made from for iron because the mineral contains iron; haematites the (now made from...doubtful. These include quartz, zircon, beryl, galena, cinnabar, gypsum, corundum, and tourmaline. The |  | | Report (issue) | | Alabama, University, Ala. Department of :ty.lines, Mining and Geology State Division of Conservation Atlanta...Jr ___________________________ _ Relationship of mining to other economic sectors, by Albert E. Schreck...Manmade features _____________________ _ Strip mining ______________________ _ Subsidence ________________________...Characteristics and distribution of the anthracite-bearing rocks _________ ..:_ Structural configuration of...Pennsylvania slate belt______________ Other slate-bearing areas____________ Miscellaneous dimension stone____________ |  | | Report (issue) | | __________________ Arkansas ______________________ Colorado ______________________ Iowa —————————————————______..._____________. Assessing the impact of surface mining _. Forest defoliation—————————————. Studying the...exploratory drilling for ground water in Fairfax County, Virginia _____________ Geologic and hydrologic...local officials _____—————————— Integrated surface mine reclamation and land use planning ________———————_...——. Council on Environmental Quality CFRUC ____ Colorado Front Range Urban Corridor Project CGIS ------ |  | | Book (edition) | | Publtllh1d by THB AMKl-MINING ANO MltTAl.l,Ol~...11" U('ffd11 that"' mdaUiferou1 tlffl, iudmting iron, hy a rom,id-,rablt mu,in. Htffl is ,u,t 1mly I...the ,•11mu•1p1rnt more elaborate mining n11ttmd1: the nMd for mining um of luwer grade, N!1ntltin1 in...Emery, on the other hand. a mixture of corundum and iron oxides, has been used as an abrasive for several...from samples found in South Carolina, but corundum mining did not start until 1871. CoMPOSI'l'ION Corundum |  | | Report (volume) | | Iodine, by Willia m C. Miller ____ ____ _- - ____ __ Iron, by Hora ce T. Reno ___ ____ __ -- _ - - -- - -...Silicon, by John L. Morning _______ ___ __ ___ __ Silver, by J. Patrick Ryan ___ ___ ___ __ ____ ___ _ Sodium...improved technology that has made it profitable to mine material of lower anq lower grade. Reclamation is...example of this type of resource is the oil sha!e in Colorado and neighboring States, ass~y1ng 10 gallons or...for effective research in 1nining technology ( mining methods, mechanization, tranSJ?Ortation, rock breaking |
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