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| BAY MOUNTAIN PROPERTY OMINECA MINING DIVISION WEST CENTRAL BRITISH COLUMBIA NTS 093E/14W 54o50’ N 127o20’...Hudson Bay Mountain property, west central British Columbia. ................7 Figure 2. Mineral tenure...northwest of the town of Smithers in west central British Columbia. Aumega has engaged the writer to prepare...Aumega’s Hudson Bay Mountain property surrounds mining leases that cover the Glacier Gulch deposit. Although...in the property. These mineral tenures surround mining leases and mineral tenures that cover the Glacier |
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| BUDDINGTON Prepared in cooperation with the STATE MINING BOARD OF OREGON UNITED STATES GOVERNMENT PRINTING...___ Sedimentary rocks of the Rogue River and Bear Creek Valleys._-__Black lavas of the western margin of..._____________ 36 36 37 Mineralized areas and mining districts.____-_--_-----_____-______---_ Bohemia... 42 ui IV CONTENTS Mineralized areas and mining districts Continued. Bohemia district Continued...____-_-------------_-----__--__-___-__-_____._ Cripple Creek.________________________________________ Crystal_ |
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| Bullock UTAH GEOLOGICAL AND MINERAL SURVEY a division of the UTAH DEPARTMENT OF NATURAL RESOURCES BULLETIN.... . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . ...increasing both because of renewed activity in old mining camps and because of Utahns and tourists who seek...selected metallic minerals of each county. CHAPTER I MINING DISTRICTS OF COUNTIES AND THE STATE OF UTAH The |
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| designate the papers for advance publication] (A) Some mining districts of eastern Oregon, by James Gilluly,...Takilma-Waldo district, Oreg., including the Blue Creek district, by Philip J. Shenon________ (C) The Climax...ILLUSTRATIONS PLATE 1. Index map showing location of mining districts in eastern Oregon. 8 2. Topographic and...and geologic map of the Mormon Basin mining district, Baker and Malheur Counties, Oreg _ 32 3. Geologic...72 5. Sketch map of mill-tunnel level of Virtue mine, Virtue district, Oreg__________________________________ |
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| Geology and Ore Deposits of the. South Silverton Mining Area, San Juan County, Colorado GEOLOGICAL SURVEY...Prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board ...Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES SOUTH SILVERTON MINING AREA, SAN...Prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board ...reverse faultingu 35 Ore deposits u 35 History of mining and productionu 36 Veinsu 36 Areal distributionu |
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| rocks-----_-_--_______________________--- 154 Columbia River basalt (middle or upper Miocene)__--_____...basalt unconformity.__________-_-------_ Post-Columbia River basalt uplift.___.______-_ __-__-_-.-_-_Structural...mine___-____-__-_----_--_-------_---__---___-230 Mascot mine--__----_-_-_----------------------.-_----_--- ....prospect____________---__--__--------_--_-,.-_-___ 233 Eureka mine-______________-----__--_^____________________ 233...mine____-______-_____-_-_____-___-._-______-___ 234 Cleveland mine..----__--___-_---__-.----_-____-_-_._-_-___235 Texida |
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| mineral deposits of the Steeple Rock and Duncan mining districts, Grant and Hidalgo Counties, New Mexico................................................. Mining districts, mines, and mineralization.............. Bitter Creek subdistrict........................................... Twin Peaks-Mayflower subdistrict...mines and prospects in the Steeple Rock and Duncan mining districts.. Aeromagnetic map of Brushy Mountain...summary of exploration and mining activity in the Steeple Rock and Duncan mining districts............. Production |
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| Replacement Deposits Part I Bald Mountain Gold Mining Region, Northern Black Hills, South Dakota By JAMES...the Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada...SHAWE and THOMAS B. NOLAN Gold in the Central City Mining District, Colorado By ALAN R. WALLACE U.S. GEOLOGICAL...bibliographies. Contents: pt. 1. Bald Mountain gold mining region, northern Black Hills, South Dakota / by...the Park City mining district, Utah / by Calvin S. Bromfield. Gold in the Eureka mining district, Nevada |
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| rocks...______.__________-_--__--_--_.____--._ Trail Creek formation.....___..._ __.______.--. General features...Granodiorite and related rocks on upper Wildhorse Creek __ Massive granodiorite________-------__-----________...monzonite on Deer Creek-__-------_----____-___ Soda granite on Warm Springs Creek..__________________...__________________ Soda granite near Kelly Creek._____---_._________._..._ Smaller areas of granitic rocks__----------___--_...-___-_..__.__'_______________________ Utah-Bellevue mine------------._-_-______________________ Penobscot |
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| region also containsa large number of important mining districts,countlesss•nall,subeconomic prospects...isotopestudy has recently been made of the Sunnyside mine, an important meteoric-hydrothermalore depositlocatedwithin...out principally * ContributionNo. 3263 of the Division of Geologicaland PlanetarySciences, CaliforniaInstituteof...containsa numberof important Au-Ag and base metal mining districts. The Tertiary volcanicgeology of the...quartz, and apatite. Common alteration products are sericite, chlorite, calcite,epidote,and magnetite. A mineralizedbreccia |
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| of Igneous Rocks and Wall Rock Alteration, Mayflower Mine, Wasatch County, Utah Part 1: Primary Rock...Page Figure 1. Index map showing location of Mayflower mine and igneous rocks of the Park City district...section of the Mayflower mine with geology projected on to the plane of the Mayflower vein. The contact...contact between Mayflower porphyry core and margin facies is gradational. (Modified from Quinlan and Simos...igneous rocks from the Mayflower mine... 4. Plan maps of levels of the Mayflower mine showing igneous rock |
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| Gold Hill.---_-_-----------------_-------------_-Mayflower..-._----------------_-----------------_-----.--___..._--__._-____.....__...____._.___.__..___ Mineral Mining Co__________________________________________ Missouri...Gold Hill mine; B, Rhyolite porphyry, Gold Hill mine; C, Granite porphyry, Belshazzar mine. ._ __ _ 250...______________ 250 43. Composite level map of the Gold Hill mine.______________ In pocket 44. Geologic maps of the...the 250, 400, and 700 levels, Gold Hill mine In pocket in IV CONTENTS Page PLATE 45. Diagrammatic |
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| ................................ 8 1.4.1.2 Acid Mine Drainage .........................................Characteristics of the Ore and Relationship to Acid Mine Drainage ..................................................................... 32 3.0 Boise Basin Mine Descriptions .....................................Observations and Hazards .......... 38 3.1.0.6.2 Mine Waste and Water Samples ................................................. 38 3.1.1 Gold Pine Mine .................................................... |
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| silver-rich vein mineralization of the adularia-sericite type occurred in an intermediate volcanic center...Mountain. Sedimentary-rock-hosted mineralization at Mine Mountain is spatially associated with a thrust fault...antimony, mercury and selenium contents are very high. Mine Mountain mineralization shares features with vein...mineralization styles similar to other adularia-sericite-type deposits in the Great Basin. Deposits in...in the Rhyolite area and at the Gold Bar mine have very low contents of arsenic and mercury compared to |
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| ..................................... Official mining districts................................................................................... 68 Mining conditions.................................................................................. 70 Mining methods................................................................................. Henson Creek mines................................................ Ute and Ulay mine.......................'................. Hidden Treasure mine................. |
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| SURVEY GEORGE OTIS SMITH, DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |
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| Conservation and Development W. A. GALBRAITH, Director DIVISION OF MINES AND GEOLOGY SHELDON L. GLOVER, Supervisor...would be as useful to the mining industry as they have proved to be to the Division of Mines and Geology and...and expense involved are justified and that the mining industry will find that having this material readily...accumulating steadily since 1853, when the first mine (a coal property) was developed. Actually it antedates...During the 90 years or more that prospecting and mining have been active, a vast amount of information |
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| Continued. Lodes Continued. Prospects Continued. Page Mayflower.__________________________________________ 325...Creek________ 27. Sketch map of the Golden Zone and Mayflower prospects__._ FIGURE 1. Index map showing areas...view of the north flank of the valley of Copeland Creek near the ice-filled gorge.___________-___----____...BELT, 1931 FOREWORD By PHILIP S. SMITH To help the mining industry of Alaska and to assist in the development...larger production of minerals and induce further mining developments and prospecting that would utilize |
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| Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I...Economic Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT...showing the Idaho Springs district and adjacent mining districts.______________________________________... ECONOMIC GEOLOGY OF THE IDAHO SPRINGS DISTRICT, CLEAR CREEK AND GILPIN COUNTIES, COLORADO By ROBERT H. MOENCH...and locally richer near-surface ores were mined. Mining from 1900 through 1959 was affected by periods |
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| Ordovician (?) rocks__________________________ Mayflower schist________________________ Zanzibar limes...105 1 Stibnite_____________________________, 106 Sericite and leverrierite___________-_______ 107 Barit...prospect____________________,.____ 136 Buckeye prospect Wall mine _______________________________ Maris mine_ __ _...Big Four mine___________ __________________ Mayflower mine _____________________________ Riley Fraction...Fraction mine______________-___________ Jumping Jack mine.-__________________________ Golden Crater mine__ |
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| and animal life....................----.-----.....Mining..................................................... Future of mining in Lemhi County.......................................... Mining districts of Lemhi...................................... Lemhi Union mine............................................ Colorado...90 91 92 92 93 94 94 94 95 96 98 0 CONTENTS. Mining districts of Lemhi County Continued. Page. Texas.............................. 99 Pittsburgh-Idaho mine......................................... 99 Situation |
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| eecoeeceoeeeoeoeceee 302 se ee 305 Freeland-Chicago Creek ....see. e@eoeoceeee 307 Reina Ta ease eial(cilake...Venezuelan Guayana ..ccceeeee MAPS Western Canada ..... eoeeoeeeeoeeeeoos 548 550 550 556 556...IN THE BIBLIOGRAPHIES AND NOT INDEXED RECEIVED Canada Snow Lake, Coats, MANITOBA C.J.A., and others...between galena sphalerite, Darwin Lead-Silver-Zinc mine, Inyo County, California, Econ. Geol., v. 66, p...and Mariacher, B. C., Editors, World Sympostum on Mining and Métallurgy of Lead and Zine: A.I.M.E., N. Y |
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| DIREcToR PRELIMINARY REPORT ON THE KETCHIKAN MINING DISTRICT, ALASKA WITH AN INTRODUCTORY SKETCH OF...DIRECTOR PRELIMINARY REPORT ON THE KETCHIKAN MINING DISTRICT, ALASKA WITH AN INTRODUCTORY SKETCH OF...Existing glaciers Former glaciation The Ketchikan mining district General description History Geology Introduction...rocks Amphibolite 3 44 CONTENTS. 'The Ketchikan mining district—Continued.4 Geology—Continued. Page....claims 59 4 60 4 60 4 61 4 Alaskan Gold Standard Mining Company Tongass Narrows General description Typhoon |
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| that lies between the Park City and Cottonwood mining districts in the central Wasatch Mountains, Utah...(±K-feldspar), quartz±Kfeldspar, quartz+pyrite±sericite, and pyrite+chlorite. All veins except pyrite+chlorite...Veins are much less abundant than in the nearby Mayflower stock and in the vicinity of typical porphyry...(2) late fluids deposited chlorite instead of sericite, probably indicating relatively high at12+/ a2...central Wasatch Mountains (Park City and Cottonwood mining districts) formed significant precious- and base-metal |
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| ........... 27 Geologic history 29 Gold placer mining operations .......................................................................... 32 Moline Mining Co............................................................. 28 Calcite ................... Sericite .......................... . . ...... . ................................................. 69 Mayflower group .---...........--.... Silver S t a r ........................................... Mineral Mining Co. (Diana) .................................. |
