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| Sll U" IU£U~ WillES ~20.00 PUBLICATIONS IN THE METALLOGENIC MAP SERIES Bathurst 1:250,000 Metallogenic...1986, minor revision 1989 Published under the authority of the Minister for Natural Resources 1992 1...SURVEY OF NEW SOUTH WALES Cover photo: Quartz - mudstone - stibnite breccia vein. Eleanora mine. Hillgrove...Sheets. 509 pp. New South Wales Geological Survey. Sydney. ISSNQ7279418 © New South Wales Department of...Fishington district Deposits in and adjacent to the Rockvale Adamellite Antimony (- gold - silver) deposits |
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| & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer...International Geoscience Journal of the Geological Society of Australia Publication details, including instructions...intrusive rocks in the Rockvale region, southern New England Orogen, New South Wales A. J. R. Kent a ...Australian National University , Canberra, ACT, 0200, Australia Published online: 09 May 2007. To cite this article:...intrusive rocks in the Rockvale region, southern New England Orogen, New South Wales, Australian Journal |
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| Geology and Mineral Deposits of the Jefferson City Quadrangl...PROFESSIONAL PAPER 428 Prepared partly on behalf of the U.S. Atomic Energy Commission UNI'I'ED STATES. GOVERNMENT...DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director The U.S....George Earle, 1922Geology and mineral deposits of the Jefferson City quadrangl~, ·Jefferson and Lewis and...matter folded in pocket. Prepared partly on behalf of the U.S. Atomic Energy Commission. Bibliography: p. 99-100 |
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| STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY VEINS IN THE NORTHERN PART OF THE BOULDER BATHOLITH...10 ....................... 11 \ , Rocks of the Boulder batholith ............. 12 mature of vein...deposits . Younger Tertiary deposits GEOLOGY 0? THE OLDER DEPOSITS ...........« 16 .................classifications Classification of reins containing the quartz-pyritechalcopyrite assenblage .........»........ ^ . Montmorillonite and kaolinite bands Sericite band $1 . . . $3 »» $6 .. $9 « 61 . |
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| OOVERNMENT OF WESTERN AUSTRALIA 1 TALC, PYROPHYLLITE AND MAGNESITE IN WESTERN AUSTRALIA FRONTISPIECE: COVER:...talc (left) and Three Springs talc (right) The talc mine at Three Springs sits comfortably amongst recently...Talc Asia Pacific GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 16 by P. B. Abeysinghe...Abeysinghe Perth 1996 MINISTER FOR MINES The Hon. Kevin Minson, MLA DIRECTOR GENERAL OF MINES K. R. Perry...GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Pietro Guj Copy editor: J. F. Johnston The recommended reference for |
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| Monzonitic Rocks in the Northwestern Part of the Boulder Batholith, Montana Abstract: The crystallization...quartz monzonitic rocks in the northwestern part of the Boulder batholith from the magmatic to deuteric to...and argillization of the wall rocks. Tourmaline, which began crystallization in the deuteric stage and...crystallizing into the hydrothermal stage, provides an important link in demonstrating the continuity of crystallization...crystallization of the ore minerals from the deuteric into the hydrothermal stage. Pyrite, tourmaline |
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| PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY MONTANA UNITED STATES DEPARTMENT OF THE INTERIOR Douglas...GEOLOGICAL SURVEY CIRCULAR 277 PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY, MONTANA By George E. Becraft...on behalf of the U. 5. Atomic Energy Commission and is published with the permission of the Commission...application to the Geological Survey, Washington 25, D. C. PRELIMINARY REPORT ON THE COMET AREA JEFFERSON........ Comet mine ....................... Gray Eagle mine ................... Silver Hill mine....... |
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| ECONOMIC GEOLOGY WITH THE VOL. VIII THE WHICH IS INCORPORATED AMERICAN GEOLOGIST MARCH, TOURMALINIC... It is the purposeof this paperto describea newly recognized type of ore deposit, namely, the tourmalinic...depositsof this kind have beenimportantproducersin the Helenaminingregion,in westernMontana,havingyielded$5o...GeneraloCtatement.-•The dominantgeologicfeature of the Helenaminingregionis the large granitemasswhich...granitemasswhich formsthe northern extensionof the great intrusion.knownas the Boulder batholith. This bodyof granitic |
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| DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEOKGE OTIS SMITH, DIEECTOB GEOLOGY OF THE BERBERS..................................... Situation of the region............................................................................................ The ore bodies.....................,.................................................... Mineralogy of the ore deposits.......................................29 29 29 30 4 CONTENTS. The ore bodies Continued. Mineralogy of the ore deposits Continued. Page |
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| UNITED STATES DEPARTMENT OF THE INTERIOR Harold L. Ickes, Secretary GEOLOGICAL SURVEY W. C. Mendcnhall...Mendcnhall, Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C....GOVERNMENT PRINTING OFFICE WASHINGTON : 1933 For sale by the Superintendent of Documents, Washington, D.C. -...________-___-__-___.-_----_-----__-Arrangement of the report.____________________________________ Topography...-__..__-__-__.---_.______-__..___.. Districts in the Belt Mountains..___________________________________ |
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| Manuscript dated January 1994 Published under the authority of the Minister for Mines 1995 \\,,\\\,1'\\"III"III...N. CRAMSIE, DIRECTOR GEOLOGICAL SURVEY OF NEW SOUTH WALES Cover photo: Photomicrograph of quartz-fibre...4 level stope in eastern lode, Mount Boppy gold mine. Quartz-filled net-vein fractures and brecciated...negative 0108) Bottom Right: Mount Pleasant gold mine, Cobar (Cobar Collection negative 0083) Bibliographic...Survey of New South Wales, Sydney. Edited by: J.R. Stewart ISSN 0727 9418 © New South Wales Department |
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| URANIUM DEPOSITS OF THE BOULDER BATHOLITH, GEORGE NORTHERN PART MONTANA OF THE 1 E. BECRAFT CONTENTS...silver-lead veins .............................. Comet mine ................................................ W Wilson mine ................................................. 369 369 Red Rock mine .............silver- leadveinsand chalcedony veinsand vein zonesin the Boulderbatholith of southwesternMontana. Pitchblendehas...of large-scale lateraldisplacement. The wall rockadjacent to the veinsis intenselysilicifiedand seri |
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| DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN 527...527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT PRINTING..................'................... Location of the region................................................. ............ Character and distribution of the rocks.................................. 9 12 12...Contact-metamorphic alteration of the andesites and latites.. Age of the andesites .................... |
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| + 4, Mineral Fe # — of Australia and™ Papua New Guinea ...is Led) Rect 4 “) wowsica * Digitized by the Internet Archive in 2021 with funding from Kahle/Austin...02unse Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows...aerial view of the remnant ovoid Pleistocene Luise Volcano on the east coast of Lihir Island, New Ireland Province...Province, Papua New Guinea. The Ladolam gold deposit lies within the caldera floor which has been breached |
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| GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 i Cover photograph: Aerial...Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit is approximately 1.4 km...long and 50 m deep. Other Jundee and Nimary pits in the background. Courtesy of Great Central Mines Limited...Limited. ii GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 Edited by D A Berkman...Berkman and D H Mackenzie Published by THE AUSTRALASIAN INSTITUTE OF MINING AND METALLURGY Level 3, |
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| The Mineraloglcal Record Inc. is a non-profit organization The Mineraloglcal Record magazine is published...published by the Mineralogical Record Inc., 7413 N. Mowry Place Tucson, Arizona 85741 Editor & Publisher...France Bill Birch Museum of Victoria Melbourne, Australia Pete J. Dunn Washington, DC Peter G. Embrey London...circulation manager for rates.) • Individuals (outside the U.S.): $39 for one year, $75 for two years. (Airmail...Velthuizen Franklinphilite, the manganese analog of stilpnomelane, from Franklin, New Jersey .............. |
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| baseand andmetalratiosare precious metaldeposits in the PiocheHills,BristolRange, sulfidemineralsandintrusionfeldspars...different 1). Because of theirwidedistribution, the deposits in these ize mineraldeposits ofleadandsulfurin...thedeposits. rangeshavebeenassigned to severaldistricts: the Pioche, ages,andto identifysources of thesedataallowsomedeposits...ages basedon andPampeyan, 1970);in thispaper,all of the deposits are isotope compositions of lead and sulfur...comprise the Piochedistrict. dances in ores. Piochedistrictoresoccurin beddingreplacement, fissure The literature |
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| Related Mineral Systems with Special Reference to Australia Modern Approaches in Solid Earth Sciences Volume...U.S.A. Franco Pirajno, The University of Western Australia, Perth, Australia Brian Windley, Department...Department of Geology, The University of Leicester, UK More information about this series at http://www.springer...Related Mineral Systems with Special Reference to Australia Andrew Y. Glikson Planetary Science Institute...ACT, Australia Franco Pirajno Centre for Exploration Targeting The University of Western Australia Crawley |
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| Calaveras County, Calif. GOLD on Quartz—$1,400 Crystal Mine, Angels Camp, Calif. GOLD—1.4 oz. mass, large crystals...dera County, Calif. GOLD on Quartz—$2,750 Crystal Mine, Angels Camp, Calif. KRISTALLE Wayne and Dona...appointment only) (C|incralogical Rccora affiliated with the Friends of Mineralogy V o lu m e E ig h t/N u m...articles publisher John S. White Division of Mineralogy The Smithsonian Institution editor Wendell E. Wilson...Division of Mineralogy The Smithsonian Institution Peter G. Embrey Curator of Minerals The British Museum (Natural |
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| ORE DEPOSITS OF THE NORTHWESTERN PART OF THE GARNET RANGE, MONTANA. By J. T. PARDEE. LOCATION AND ROUTES...ROUTES OF ACCESS. The area described in this report is in Missoula, Granite, and Powell counties, Mont...beyond Bearmouth and from Clark Fork northward into the drainage basin of Blackfoot River, covering in all...traversed by the Northern Pacific and the Chicago, Milwaukee & St. Paul railways, from which the different...from 3 to 10 miles in length. The most convenient points of departure from the railways are Bearmouth for |
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| BARRIE H. BIELER IN URANIUM-BEARING THE BOULDER MONTANA: II--THE VEINS AND HAROLD x D. WRIGHT .................................................. The veins ......................................................................... 364 Colorationof the vein quartz ...................................................... ABSTRACT The "siliceous reef" uraniferous veins of the Boulder batholith con- ...comprisesover 90 percent of the vein material; opal and barite are minor. The color of the veins varies from light |
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| DEPARTNIENT OF THE INTERIOR UNITED STATES GEOLOGICAL SUHVEY GEORGE OTIS S~IITH, DIRECTOR PROFESSIONAL...PAPEH 63 ECONOMIC GEOLOGY OF THE GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo·..... _............... Topography and geography of the Georgetown quadrangle ............................................................... Evolution of the topographic forms .................................-. ... . Stream_~ilj1l_Sti!lent during the dissection of_ the mountainous upland ................... |
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| Arizona Compiled by Stephen M. Richard Guidebook for the Arizona Geological Society Spring Field Trip April....... 9 STOP 1 . GEOLOGY AND PROJECT OVERVIEW OF THE BHP FLORENCE (POSTON BU1TE) PORPHYRY COPPER DEPOSIT...By C. K. HOAG . 9 17 STOP 4. NORMAL FAULTING IN THE WHITFORD CANYON AREA, NORTHWEST O F SUPERIOR, PINAL...SPENCER AND S. M. RICHARD 22 STOP 5. CROSS SECTIONS OF THE TEAPOT MOUNTAIN QUADRANGLE AND VICINITY, PINAL COUNTY............ 25 STOP 6. TECTONICS UNDER THE APACHE LEAP TuFF, THE UP AND DOWN INTERPRETATION BY DRILL HOLE |
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| UNITED STATES DEPARTMENT OF THE INTERIOR J. A. Krug, Secretary GEOLOGICAL SURVEY W. E. W rather, Director...Director Bulletin 956 GEOLOGY AND ORE DEPOSITS OF THE LIBBY QUADRANGLE, MONTANA BY RUSSELL GIBSON WITH...____-___-_-_-._-.-__--___----..---__-.-.___._ 2 Purpose of the investigation....___-_.___.______--_____-_-___._..._---______l_^_-_ 35 .... Autometamorphic alteration in the stocks. ^__- :_^-__._ 35 Relation of Dry Creek stock..._____________________-_ -' Page 80 Origin of .the ores_ ---------.---------...-..---..---......... |
 | Miller, Lance J., Goldfarb, Richard J., Snee, Lawrence W., Gent, Carol A., Kirkham, Richard A. (1995) Structural geology, age, and mechanisms of gold vein formation at the Kensington and Jualin deposits, Berners Bay District, Southeast Alaska. Economic Geology, 90 (2) 343-368 doi:10.2113/gsecongeo.90.2.343 | Journal (article/letter/editorial) |
| StructuralGeology,Age, andMechanismsof Gold Vein Formationat the KensingtonandJualinDeposits,BernersBay District,...Juneau,Alaska99801 Abstract The BernersBaydistrictat the north end of the Juneaugoldbelt, southeastAlaska...JualinDiorite, which intrudesmetabasalt of the Wrangelliaterrane,hostsmostof the •2 Moz of goldresources. Wrangellia...lithotectonicterranesthat were accretedalongthe westernmarginof the Coast MountainsduringCretaceoustime. Followinga periodof...bodies5 km eastof the districtwere intruded at 71 to 61 Ma. Eocenegranodioriticbodiesof the CoastMountainsbatholithwere |
