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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...Survey of New South Wales, Sydney. Edited by: J.R. Stewart ISSN 0727 9418 © New South Wales Department...of Mineral Resources 1995. Short quotations from the text of this publication and copies of maps, figures...similar works provided that the source is acknowledged and subject to the proviso that any excerpt used |
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| MINING IN THE LOWER COPPER RIVER BASIN, By FRED H. MOFFIT. COPPER MINING IN CHITINA VALLEY. INTRODUCTION...INTRODUCTION. During the summer of 1916 the writer visited most of the copper prospects of Chitina Valley (PL...their development. The present activity of the copper market is reflected in the district by increased...particularly by the efforts of copper producers to maintain a maximum production of high-grade ore. No new mines...made for the first time from a number of properties, some of which may become steady producers. The prospects |
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| DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN 443...443 RECONNAISSANCE OF THE GEOLOGY AND MINERAL RESOURCES OF PRINCE WILLIAM SOUND ALASKA BY U. S. GRANT....................................... Outline of the geology .......................................................................................... The present report............................................................. Age and correlation of the Orca group......................... Igneous rocks |
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| of systematic investigation of the mineral resources of Alaska by the Geological Survey has yielded a...relating to the geology of the mineral deposits. This has been used for the most part only in the descriptions...descriptions and discussions of the economic geology of the individual districts about which reports have been...attention has been paid to the relation of the mineral deposits of different parts of the Territory to one another...economic geology. Practically the only exception is the geology of the coal fields, which has been briefly |
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| May-June 1989 / The Mineralogies! Record Inc. is a non-profit organization The Mineralogical Record...Record magazine is published by the Mineralogical Record Inc., 7413 N. Mowry Place Tucson, Arizona 86741...Editors 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.): $33 for one year, $64 for two years. (Airmail.......................... 187 by J. P. Cassedanne The Anjanabonoina pegmatite, Madagascar ............ |
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| Reconnaissance for Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL...on behalf of the U. S. Atomic Energy Commission and is published with the permission of the Commission... Reconnaissance for M>-O m Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By C....F. WEEKS, and F. J. KLEINHAMPL CONTRIBUTIONS TO THE GEOLOGY OF URANIUM GEOLOGICAL SURVEY BULLETIN...on behalf of the U. S. Atomic Energy Commission and is published with the permission of the Commission |
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| THE McKINLEY LAKE DISTRICT. By THEODORE CHAPIN. The present report is based on a hasty examination made...made by J. B. Mertie and the writer in October, 1912. The claims visited are described in some detail...published recently by the Survey. The McKinley Lake properties are situated on the northwest shore of McKinley...body of water 1| miles long, which empties into the head of Alaganik Slough, 2 miles from Alaganik and...2 miles long. The trail is very swampy but can be traveled by horses in dry weather. The region may also |
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| MINING IN THE CHITINA DISTRICT. By FRED H. MOFFIT. INTRODUCTION. The year of 1909 was one of expectation...preparation in the Chitina district. The subject of greatest interest to those concerned with the copper resources...progress in the construction of the new railroad up Copper River from Cordova, and all work on the copper...future work, were influenced by the hope of railroad communication with the coast and a conse quent great...within the next year and a half. As was indicated by the quantity of supplies sent in over the trail from |
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| THE TARAL AND BREMNER RIVER DISTRICTS.1 By FRED H. MOFFIT. GEOGRAPHY AND GEOLOGY. The search for gold...which began in the mountains south of Chitina River with the rush of prospectors to the Copper River basin...found in the mountains east of Taral during the first summer and a few years later (1901) the gold placers...produced in this district, but the facilities for transportation offered by the Copper River & Northwestern...Northwestern Railway during the last year have stimulated interest in the development of copper properties, so |
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| 36849-5305 cookrob@auburn.edu Sylvanite Downloaded by [The Aga Khan University] at 23:14 19 October 2014 Vindicator...have been developed during the past 120 years: Kalgoorlie, Western Australia, and Cripple Creek, Colorado...Colorado. Although on opposite sides of the globe, they have striking similarities in their mining history...associated with coarse native gold. Cripple Creek, on the other hand, has been and continues to be a source...source of well-crystallized goldtellurides, one of the most important of which is sylvanite. A historically |
 | Harijoko, Agung, Watanabe, Koichiro, Motomura, Yoshinobu, Izawa, Eiji (2002) Gold-bearing Quartz Veins and Hydrothermal Alteration of the Paleozoic Epithermal System in the Francis Creek Area, North Queensland, Australia. Resource Geology, 52 (4) 353-358 doi:10.1111/j.1751-3928.2002.tb00145.x | Journal (article/letter/editorial) |
| Alteration of the Paleozoic Epithermal System in the Francis Creek Area, North Queensland, Australia Agung HARIJOKO...Abstract: The Francis Creek area located at the Sybil graben in North Queensland, Australia, has some...rocks of the Late Carboniferous Hells Gate Formation. In order to understand the nature of the paleo-hydrothermal...out hydrothermal alteration mapping surrounding the veins and silica body, over an area of about 7 ×...inferred the center of hydrothermal activity. Fluid inclusion shows the boiling feature, and the microthermometry |
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| addfess: P.O. Box 1621, Laguna Beach, CA 92652. The Mineralogical Record inc. is a non-profit organization...January-February 1987 The Mineralogical Record magazine is published by the Mineralogical Record Inc...circulation manager for rates.) • Individuals (outside the US.): $30 for 1 year, $58 for two years, $850 lifetime...on page 111 Gold! Introduction G old notes from the e d i t o r ...................................................... by W. E. W ilson 2 Australia G old in A u s tr a lia ............................. |
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| DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTI8 SMITH, DIEKCTOK BULLETIN 497...497 A RECONNAISSANCE OF THE JARBIDGE, CONTACT, AND ELK MOUNTAIN MINING DISTRICTS ELKO COUNTY, NEVADA ... CONTENTS. Page. Introduction ___ ________________ The Jarbidge district_______________________________..._ Microscopic character_________________ Age of the volcanic rocks___________________ Mineral deposits__________...Structure and composition of the veins. ____________ Occurrence of the gold______________.._______ 50 |
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| 1923, in spite of the continuation of the high cost of all forms of naming and the low value of copper...and other metals, more men than in 1922 engaged in the search for mineral wealth and a greater number of...In other words, the work of the prospector and that of the capitalist, guided by the mining engineer...advances during the year. There is good evidence that the widespread pessimism in regard to the Alaska mining...mining industry that has persisted during the postwar period of financial depression is gradually disappearing |
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| ========================== notice the security gained by the use of the very small diametel' of the long-stroke cylinders...and the short length of shortstroke cylinders. They are made of steel. and their forms enable the production...first put into work, fully competent to withetand the strains brought to bear upon them, are found to gradually...question of time. The enormous pressure is apparently sufficient to destroy the coherence of the inner portion...portion of the metal until, by the destruction of the resistance of film after film interiorly, the outer |
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| ========================== notice the security gained by the use of the very small diametel' of the long-stroke cylinders...and the short length of shortstroke cylinders. They are made of steel. and their forms enable the production...first put into work, fully competent to withetand the strains brought to bear upon them, are found to gradually...question of time. The enormous pressure is apparently sufficient to destroy the coherence of the inner portion...portion of the metal until, by the destruction of the resistance of film after film interiorly, the outer |
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| publication. If you have no further use for it write to the Geological Survey at Washington and ask for a frank...frank to return it UNITED STATES DEPARTMENT OF THE INTERIOR Harold L. Ickes, Secretary GEOLOGICAL SURVEY...Mendenhall, Director Bulletin 864-C MINERAL DEPOSITS OF THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, Jr...GOVERNMENT PRINTING OFFICE WASHINGTON : 1936 For sale by the Superintendent of Documents, Washington, D. C. ------...Granite Creek and Malamute Gulch____________--__-_-Slate Creek______________........________ ._ Moore Creek___________ |
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| GEOLOGY AND BULLETIN OF ECONOMIC VoL. 52 THE THE SOCIETY OF GEOLOGISTS No. NOVEMBER,1957 ...IN PYRITIZED 7 WALLROCKS McKINSTRY ABSTRACT The amountsof iron in fresh rocks and their altered equivalentshave...determiningwhetheror not the iron alreadypresentin the rock is sufficient to accountfor the pyrite in the alteredzone...would appear that in the majority of casesthe change indicated by analyseswas within the presumedlimits of...expected,the proportionof the iron determinedas ferric decreasesfrom the fresh rock to the altered zone |
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| Copper Deposits of the Prince William Sound District, Alaska By FRED H. MOFFIT and ROBERT E. FELLOWS...SURVEY BULLETIN 963-B An account of the present state of the prospects, extent of development, and...WASHINGTON : 1950 UNITED STATES DEPARTMENTJOF THE INTERIOR Oscar L. Chapman, Secretary GEOLOGICAL...GEOLOGICAL SURVEY W. E. Wrather, Director For sale by the Superintendent of Documents, U. S. Government'Printing...Threeman Mining Co. claims.______________________________ Landlocked Bay Copper Mining Co. claims._____ |
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| ^ Bulletin 142 6 DEPARTMENT FRANKLIN OF THE K. LANE. BUREAU \. INTERIOR Sbcrbtary OF MINES VAN...Director I HE MINING INDUSTRY IN THE TERRITORY OF ALASKA DURING THE CALENDAR YEAR 1915 BY SUMNER S...FRANKLIN OF THE INTERIOR K. LANE, BUREAU VAN. Secretary OF MINES H. MANNING. Director THE MINING INDUSTRY...INDUSTRY IN THE TERRITORY OF ALASKA DURING THE CALENDAR YEAR 1915 BY SUMNER S. SMITH United Stales...GOVERNMENT PRINTING 1917 OFFICE The Bureau of Mines, in carrying out one of the provisions of its organic act |
 | Liu, An-Lu, Jiang, Man-Rong, Ulrich, Thomas, Zhang, Jun, Zhang, Xiao-Jun (2018) Ore genesis of the Bake gold deposit, southeastern Guizhou province, China: Constraints from mineralogy, in-situ trace element and sulfur isotope analysis of pyrite. Ore Geology Reviews, 102. 740-756 doi:10.1016/j.oregeorev.2018.09.018 | Journal (article/letter/editorial) |
| Accepted Manuscript Ore genesis of the Bake gold deposit, southeastern Guizhou province, China: Constraints...T. Ulrich, J. Zhang, X-J. Zhang, Ore genesis of the Bake gold deposit, southeastern Guizhou province...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...note that during the production process errors may be discovered which could affect the content, and all...legal disclaimers that apply to the journal pertain. Ore genesis of the Bake gold deposit, southeastern |
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| Structural Control of Ore Deposits: The Role of Pre-Existing Structures on the Formation of Mineralised Vein... Abstract: The major role played by pre-existing structures in the formation of vein-style...with several examples. The control of a pre-existing decollement level on the formation of a crustal...(collapse) gold deposit is first illustrated in the Quadrilátero Ferrífero from Brazil. Shear zone and...re-using of wrench shear zones in the case of Shila gold mines (south Peru); (ii) remobilisation of metal |
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| rm ~ DEPAKTMENT OF THE 1NTERIOE UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN...BULLETIN 448 GEOLOGY AND MINERAL .RESOURCES OF THE NIZINA DISTRICT, ALASKA BY FRED H. MOFFIT AND STEPHEN...Cliitistone limestone______________ ;_______ Character of the formation___________..___ Distribution_____________________...McCarthy shale_________________«._____ Character of the formation______________ \ Distribution_______________________...Kennicott formation.________ ____________ Character of the formation____________ __ Distribution _______________________ |
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| Episodic Introduction of Metallic Nanoparticles into Bonanza Epithermal Ores James A. Saunders Department of...sulfidation (LS) epithermal deposits in the western USA often show evidence of the former presence of nanoparticle-sized...nanoparticle-sized precious-metal and silica phases in the highest grade (bonanza) ores. Here, nanoparticles are defined...defined to have a size less than ~10−7 m. The ore-mineral textures that formed from aggregation of nanoparticles...significantly different physical (surface) properties than the precious-metal phases, and thus exhibit different |
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| DEPARTMENT OF THE INTERIOR UNITED Sl'ATES GEOLOGICAL SURVEY CHARLES D. WALCOTT, DIRECTOR THE MINERAL RESOURCES...RESOURCES OF THE MOUNT. WRANGE.LL DISTRICT, ALASKA BY WALTER C. .MENDENHALL AND FRAJ'!K C. SCHRADER...Description of properties-Continued. Deposits in the Chitina drainage basin.............................occurrences......................................... Bonanza mine... . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . On the upper Nabesna................................... |
