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| Geological Survey editorial standards (or with the North American Stratigraphic Code). Any use of trade,...Site Number, Site Name ...................... 6 County, State, Quadrangle, Latitude, Longitude ................. .61 A. Section A: Occurrences located north of the Hartford basin, New Hampshire .............. 185 I. Section I: Occurrences located in North Carolina ........ 187 INVENTORY OF METAL MINES AND...location ( county, state, quadrangle, latitude, and longitude) 2. deposit size (occurrence type - mine, prospect |
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| prospect____________________,.____ 136 Buckeye prospect Wall mine _______________________________ Maris mine_ __ _...Four mine___________ __________________ Mayflower mine _____________________________ Riley Fraction mi...mine______________-___________ Jumping Jack mine.-__________________________ Golden Crater mine_______...No. 9 mine_________ __________________ Stray Dog mine __________________ _________ Little Grey mine__...mine_____________________________ Thanksgiving mine _..__________________________ Deposits in limestone.__ |
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| & TECHNOLOGY Mineral Deposits of Western Grant County, New Mexico by Elliot Gillerman NEW MEXICO INSTITUTE... . . . . . . . . . . . . 55 Deadman Canyon-California Gulch-Whitewater Canyon area 56 West Burro...Production of metals in the Steeple Rock district, Grant County, 1932-1947 . . . . . . . . . . . . . . . . . ....in the Burro Mountains (Tyrone) district, Grant County, 1904-1929 . . . . . . . . . . . . . . . . . ....Volcanic rocks in western Grant County 20 FIGURES 1. Grant County,. showing area included in this report |
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| the fortieth parallel and adjacent portions of California: U. S. Geol. Survey Bull. 208, pp. 90-93, 1903...4 Jones, C. C., Notes on Manhattan placers, Nye County, Nev.: Eng. and Min. Jour, vol. 88, pp. 101-104...there are steep canyons and rugged hills. A narrow belt along the crest . of the range, above 9,000 feet...contrast to the rough topography below. Here there is a belt of rolling upland, not flat enough to be called...range, as far as Shoshone Creek, a short distance north of Round Mountain, no stream carries sufficient |
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| applications to be made direct to MINERALS SEPARATION NORTH CORPORATION AMERICAN Head Office, Engineering...Battery Street, New York, N. Y. San Francisco, California. THE MINES HANDBOOK BALL GRANULATORS For...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp...all the metals, and a corresponding expansion of mine work. The MINES HANDBOOK will hereafter be published |
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| aggregate of garnet, epidote, diopside, quartz, calcite, scheelite, and other minerals. Most deposits of...United States are in the Great Basin region in California and Nevada and northwestern Utah, but Oregon...Morango district, Calif.; 5, Weldon, Calif.; Humboldt County, 6, Glendale, Calif.; 7, Darwin, Calif.; 8, Bishop...made to develop a deposit in Euby Valley, Elko County, Nev., and in the same month COFTACT-METAMORPHIC...the Humboldt County Tungsten Mines & Mills Co. Other claims were located west and north of Lovelocks; |
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| individual mines. ................... T h e Gulick mine. ............................ I 19 23 25-32 25...mines. .............. Roseberry mine. .......................... Shiloh mine ................................. Swayze's hematite mine. .................. Scott farm exploration. ................... (ii i) NEW..................... Edsall mine. ............................. Pochuck mine. ...........................Hamlen mine. ............................ Thatcher mine. ........................... New Village mine. . |
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| BLACK MOUNTAINS, AND.GRAND WASH CLIFFS MOHAVE COUNTY, ARIZOiNA BY F. C. SCHRADER WASHINGTON GOVERNMENT..._____________ ______.____ ___ 45 Production of Mohave County._____________ 47 General character of deposits...Tennessee mine _____________________._ 54' Schuylkill mine____________________________ 57 Elkhart mine _______:..._______: __________________ 57 Distaff mine ______________________________. 60 Mollie Gibson mine________________________...mine________________________ 60 Hercules mine ________________________ 60 Badger mine______________________________ |
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| ewslett. Field trip to Bull Run Quarry Loudoun County, Virginia Brander Robinson P.O. Box 76 1 Midd lesburg...co llecting trip to the Bull Run Quarry, Loudoun County, Vi rgini a. This quarry has been in operation...apophyllite, prehnilc, stilbite, and calcite, and has been a favorite of mine for a number of years. Less commonly...with minor stilbite , Bull Run Quarry, Loudoun County, Virginia collected by Brander Robinson, July 1998...than 1 mm long from the Blackbird District, Le mhi County, Idaho, photo by the author. and gives me something |
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| Quartz - mudstone - stibnite breccia vein. Eleanora mine. Hillgrove (xO.2). Bibliographic reference Gilligan...Quaternary sediments Granitoids "Deformed granitoid belt" .•..............................................."Massive granitoid belt" Oban River granitoid belt Gundle granitoid belt Coastal granitoid belt ..••.. .•................................... Gundle granitoid belt Round Mountain Leucoadamellite Botumburra Range... Carrai area Willi Willi area Coastal granitoid belt Valla - Nambucca district Yarrabapinni district |
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| 166 Falls 166 166 Fourfoot Falls Section 2. Northern Complex 167 Distribution 168 Topography 168..."rock dam" on Pine Creek 189 Black Creek 194 North half West of sec. half of sec. 8, W R. 28 W...Distribution and topography 200 The northern belt The central belt The southern belt 200 201 203 Distribution...233 Minor folding 235 The northern belt The central belt The southern belt 235 _ 235 237 Marginal...secondary folds at southern margin Secondary folds at northern margin Interior folds 242 245 246 246 247 Thickness |
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| erosion dotted with low residuals. Plain dips gently north and west to Darling River. Dust storms. Local streams...Tower Belt Description and petrography The Alley Belt Description and petrography Biddabirra Belt Description...ore Later faulting of veins Future development of mine (ft) .. The Cobar-Chesney Gold and Copper MineHistory...development (c) 121 121 124 124 127 The Cobar Copper Mine (Old Fort Bourke) Leases History and development...Mines embraced Geology 138 138 The Occidental Mine Leases History and development Veins, character |
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| Cover illustration Beryl crystal in quartz, Lacorne mine. The crystal is 39 mm long and 18 mm wide. National...2359J Molybdenite crystal in quartz, Moly Hill mine. The crystal is 33 mm across. National Mineral Collection...Baldwin (Kelmac) mine Swastika (Crescent Kirkland) mine Lucky Cross (Golden Gate) mine Adams mine Boston molybdenite...Boston Creek gold mine Barry-Hollinger (Patricia) mine Boston-McRae mine Planet Gold mine Miller Independence...Independence mine Kennedy-Boston mine Cathroy Larder (Yama) mine Macassa mine Kirkland Lake gold mine Teck-Hughes |
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| OTIS SMITH, DIRECTOR OF THE SIERRA NEVADA OF CALIFORNIA : I I / BY WALDEMAR - LINDGREN OFFICE ...gravels-Continued. Flora of the auriferous gravels of California, by F.' H. Knowlton ...................... ...... _..... _........... : ..... . 92 Perschbaker mine ...................... ...................... .......................... ...... .......... . 139 North Columbia ....................... .......... . ................. . ... : .................. . 139 North Bloomfield, Derbec, and Relief. ............... |
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| GOLD QUARTZ VEINS OF THE ALLEGHANY DISTRICT CALIFORNIA BY HENRY G. FERGUSON AND ROGER W. GANNETT ...-_____--_--_ Lower slate and greenstone member _ Chert member. ___________________ Upper slate and greenstone...________ Summary. _ _ _ _ _ _ ___________________ Mine descriptions. __--__.-_-__-_________ Mines of Oregon...Oregon Creek drainage basin Brush Creek mine----_---------Finan prospect. ________________ Kate Hardy...prospect--_---_^--_Tomboy prospect___-----____:_-.Eureka mine. _____^-__ __________ Oak prospect..---.-.--... |
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| Oatman, looking northwest; B, Near the Treadwell shaft of the Pioneer mine_____________ VII. Vein structure:...vein in a surface -cut just north of the No. 2 shaft of the Gold Dust mine; B, More general view of the...Part of the Pioneer vein at the Treadwell shaft, looking north; B, Pioneer vein, looking south along the...the Tom Reed vein from the vicinity of the Aztec shaft; B, View southeast along the Tom Reed veiu__ XII... showing the surface relations of the Gold Road mine; B, Leland Hill from the southeast, looking along |
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| and Spaniards more than 350 years ago, for the north-western coast of the island is named on this chart...3rd Apri]) lg51) Mr E recently returned from California, addressed a letter to the Colonial Secretary...of country, in which, from his experience in California, he was led to believe gold was to be found,...to Guyong about a month after his arrival from California, and called at a hotel kept by Mrs. Lister. He...gold, and would let him have the first claim or mine. His object in wishing to go to these localities |
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| Mines, Mr. W. H. Borlase and staff of Greenside Mine, Mr. Stretton of Force Crag, :tvir. J. Hemingway... Flo. 2.-Diagramma.tic Sketch Plan of Greenside Mine to show shifting of the lode by east and west faults...of Goldscope Mine along the ad.it, showing shifting of east and woot copperlode by north and south lead-veins...showing slrifts of the east and west lead-lode by north and south veins, which carry tungsten in the greiaen...igneous intrusions (the Skidda,v Granite on the north side of the Keswick field, and gabbro, hypersthenite |
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| mines, including the celebrated Mount Boppy, which mine Field," of has for some years been the most productive...... ... Railway opened 1891. Burra Burra Copper Mine discovered 1879. Mount Boppy Lode discovered in...respectively, above This plain dips gently to the north-west and west to the Darling River, east to the...under the Mount Boppy control The Mount Boppy Gold Mine Situation 46 47 48 48 lodes ores... 41 Distribution...Distribution of ore in lode Possible future development of mine Notes on ore treatment ... ... ... ... ... . |
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| districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...____________ Mine descriptions_______________________________________ Montgomery County, Md___-_______________________...and Harris mines..-_---_-_-_--__-_______. Choate mine._________________________________ Unnamed mine__...mine__.-___-___-_-_-__.__-_.___-____ Calhoun mine---------.-.------------..------- 724 725 726 726 726 727...CONTENTS Mineral deposits Continued Chromite Continued Mine descriptions Continued Soldiers Delight district |
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| Fells, will rank amongst the best Mines in the North of England . Since 1565 no less than seven smelt...Plumbago Coal ... 56 "" "" "" Fluor Spar 56 "" وو Calcite 99 57 دو 57 "" Aragonite Dolomite . 93 57 ""...Goldscope Mine 76 81 Dale Head Mine "" Brandley or Brandlehow Mine " 83 86 Yewthwaite Mine "" 39 88 Barrow...Barrow Mine "" 39 90 "3 Stoneycroft Mine 93 Thornthwaite Mine 91 " " Rachel Wood Mine 96 دو Blencathra...Blencathra Mine 96 رو Woodend Mine 96 "" 96 ور Gategill Mine )) Threlkeld Mine 98 "" Mines in the Lake |
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| of 407 4L3 Acquiring Titles- ta Prospect or Mine for Copper on 415 South Wales, showing Mining Districts...of New LIST OF PLATES. pa(;k. Cobar Copper mine IJreat Broken Hill Lin>ite(l, , , , P'rontispioce...converted ,, ,, Converter Plant Lloyd Copper Mine into Shell of Copper 113 114 — General View ...Refining Plant 12.1 126 Reservoir Cadia Copper Mine 127 .. Duke Outcrop Smelting Works Iron Duke...186 Plan and Section H>8 Cobar Chesney Main Shaft Mine Section 199 Crowl Creek, Shuttleton, Plan and |
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| ---- Santa Fe B. H. KINNEY, Manager Kinney Coal Mine ---------------------------- Tokay J. M. SULLY,...with the University of New Mexico, with the State Mine Inspector and with other departments of State Government...and simple in chemical composition. Fluorite, calcite, barite, and quartz are the chief primary minerals...amounts of quartz and calcite and usually with barite. In veins in limestone the calcite content is always...always higher than in veins in calcite -free rocks. The quartz content is independent of the nature of the |
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| page: Rough emeralds mined by Gemfields at the Kagem mine in Zambia. (Photo courtesy of Gemfields) CONTENTS...The New Dynamics of the Colombian Emerald Sector Mine Tour 44 22 32 In Search of Colombia’s Green Dreams...Emerald Mines Education 44 50 Education and the Mine-to-Market Story Beautifying Emeralds - The Perennial...Russia: The Geology and Gemology of the Malyshev Mine Emerald Origins 88 98 106 78 4 InColor ׀Special...Yeong ashlynn.yeong@gemstone.org InColor Bureau USA Claudiu Margarit claudiu@gemstone.org [1] (212) 620-0900 |
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| . . . . . . . . 77 Faults in the quartzite and slate.. 77 Faults closely connected with folding ....... . . . . . . . . . . . . . . . . . . 79 Faults north of Eureka Gulch......... .. .. .. .. 79 Faults between........................ . 158 125 Deposition of calcite, dolomite, and 126 aragonite ............... :...170 Northern ore bodies.................. 198 Generalfeatures ~ ___ ..... ___ ... . 170 California column...Channel of the Gemini Chief mine ............................. . 205 mine·--------------------------------- |
