 | | Journal (issue) | | occurrences, as well as one revised-updated site (Concord mine). Data on these new listings were compiled from...by mining companies continues in the Gold-pyrite belt located in the Piedmont Province and in the mineralized...Piedmont Mining Corporation at the old Moss mine in Goochland County and the Gold Crown Mining Company at the...the Kentuck prospect in Pittsylvania County. It is reported that Minerals and Chemicals Corporation produced...produced five ounces of gold in Ooochland County within the past year. Because of the continuing interest |  | | Report (issue) | | 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 |  | | Report (volume) | | 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 |  | | Report (issue) | | 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 ...................... ..... ............... : . . . 66 Relative value of quartz gold and placer gold ...................... ....... _..... _........... : ..... . 92 Perschbaker mine ...................... ...................... .......................... ...... .......... . 139 North Columbia ....................... .......... . . |  | | Report (issue) | | 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 |  | | Report (issue) | | Professional Paper 172 GOLD QUARTZ VEINS OF THE ALLEGHANY DISTRICT CALIFORNIA BY HENRY G. FERGUSON AND...-_____--_--_ Lower slate and greenstone member _ Chert member. ___________________ Upper slate and greenstone...______ Gabbro and diorite.. __________________ Quartz diorite______--_--_______-----Granite and aplite..._____ Quartz stage--_-_-_---_---------.__-----Arsenopyrite and py rite _______________ Quartz ..--._.... _______________ Rutile ____ _ ____ .._____.. Quartz, chalcedony, and opal Gold. ___________ _ ---____-_-__--_-_ |  | | Report (volume) | | Bald Mountain lake beds member_______________ Quartz latite member_____ ________________ Maris rhyolite__...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__ |  | | Report (issue) | | 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...White, F.C.S., Assistant Analyst The 30 30 30 30 quartz-felspar porphyries, sedimentary types ... rhyolites...under the Mount Boppy control The Mount Boppy Gold Mine Situation 46 47 48 48 lodes ores... 41 Distribution |  | | Report (issue) | | & TECHNOLOGY Mineral Deposits of Western Grant County, New Mexico by Elliot Gillerman NEW MEXICO INSTITUTE... . . . . . . . . . . . . . . . . . . . . . . . Quartz diorite gneiss (tonalite) . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . Quartz monzonite and related rocks . . . . . . . . . ... . . . . . . . . . . . . 55 Deadman Canyon-California Gulch-Whitewater Canyon area 56 West Burro...Production of metals in the Steeple Rock district, Grant County, 1932-1947 . . . . . . . . . . . . . . . . . . |  | | Book | | Above cut shows Gates Standard Breaker, with Main Shaft and ' MINING MACHINERY CRUSHERS and PULVERIZERS...CABLES. GRAPHITE AXLE AND CAR GREASES, TRACTION BELT DRESSING, FLAKE GRAPHITE, IMPROVED EUREKA BOILER...na/ire: FOR CONVEYING ORE. CORDWOOD, ETC. SNYliER Mine, Kennett, Cal. In reply toyourinquiry lo how...Designing. Arrangement of Works, Haulage, Mills and Mine Management Undertaken. Refirkxces: State Nationtii...Hiiihlers of CO. and .Mill SAN FRANCISCO, CAL California St., The Gutta Percha & Rubber Mfg. Co. MANUFACTURERS |  | | Report (issue) | | 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 |  | | Report (edition) | | 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 |  | | Journal (volume) | | strictly mforced.^&O D 2DD7 lEOOSIO California State Library CALIFORNIA STATE SACRAMr I LIBRARY. 2 4V...JANUARY Publishers. A of Pulley Turning Lathe. California Weather. The engraving given herewith represents...Morgan claim, adjoining the Swamp Angel on the north, and in which the developments are represented to...ahead of any thing yet found on this ridge. This mine has also been explored and equipped in a very superior...stay where it belongs on the other side of the California, even if there is a business boom in in these |  | | Book | | and Spaniards more than 350 years ago, for the north-western coast of the island is named on this chart...it was entirely obtained by breaking the surface quartz with a hammer, while following the occupation of...in fragments composed of the same matrix (viz., quartz rock), as in the Ural. friend and associate at...the Colonial Secretary a lump of gold imbedded in quartz, which he- said he had picked up at a certain place...3rd Apri]) lg51) Mr E recently returned from California, addressed a letter to the Colonial Secretary |  | | Book (volume) | | 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. . |  | | Book | | SOUTH WALES Cover photo: Quartz - mudstone - stibnite breccia vein. Eleanora mine. Hillgrove (xO.2). Bibliographic...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 |  | | Report (issue) | | Tin Lode, near Tent, Hill, showing portion ... northern outcrops and workings .. — Ore Dressing and Concentrating...144 Hill XIV. —Stannum Vale Deep Lead Shaft XV.— Beckett's Shaft, The Ponds, Tingha 151 XVI.— Leviathan...Shoalhaven River Gorge, near Tolwong Mine No. 6 Section, Tolwong Mine, Shoalhaven River, near Bungonia ...Tolwong Mine XXIX. — Tolwong Smelting Plant, Shoalhaven River XXX. — Mount Bischoff Tin Mine, Tasmania...Bischoff Tin Mine, Tasmania ... ... 346 .. 354 ... XXXII.— Mount Bischoff Tin Mine, Tasmania— "Brown |  | | Report (issue) | | replaced by an aggregate of garnet, epidote, diopside, quartz, calcite, scheelite, and other minerals. Most deposits...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; |  | | Report (issue) | | 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 |  | | Journal (issue) | | 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...stilbite, and calcite, and has been a favorite of mine for a number of years. Less commonly, molybdenite...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 |  | | Report (issue) | | 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...Talpose schists 221 Argillaceous rocks 225 Cherty quartz rocks 226 Conclusions from microscopical study...districts 229 Origin of the dolomites and cherty quartz rocks 230 Folding 232 Major folding 232 Cross |  | | Report (volume) | | 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______________________________ |  | | Report (volume) | | 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 |  | | Book | | Skiddaw Slates are often traversed by veins of 66 quartz , not infrequently metalliferous , though seldom...Fells, will rank amongst the best Mines in the North of England . Since 1565 no less than seven smelt...د 29 ,د St. John's Microgranite , ... 33 or Quartz Felsite Armboth Dyke ... 34 99 99 Hornblende Picrite...Barytes 57 "" دو 57 Gypsum 23 Apatite 57 57 "" Quartz 58 99 35 Epidote 58 22 Felspar "" 3) Chlorite 58...Goldscope Mine 76 81 Dale Head Mine "" Brandley or Brandlehow Mine " 83 86 Yewthwaite Mine "" 39 88 Barrow |  | | Report (issue) | | certain lodes, not traceable in the .tield, from old mine plans, and has written the Appendix giving detailed...of the n1inerals •· - 93 Fig. 2 and 3.-Blue Hills Mine. Cross Sections - 93 Fig. 4.-East Blue Hills. Cross...sections .. ··· 98 ., •· 99 � igs. 9 and I0.-Penhalls Mine. Cross sections .. • 101 Fig. 11.-Polberro Consols...105 .. 106 Fig. 18.-North Wheal Chiverton. Cross section· Fig. 19.-Trewollock Mine. Cross sectio11 - 100...bedding crossed by shear-planes Plate 3.-Puckered slate showing strain-slip, the true bedding not. '-g - |
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