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| Amsterdam - - Printed in The Netherlands 125 MANGANESE IN THE S.W. PACIFIC: A BRIEF REVIEW G.P. GLASBY..., 1988. Manganese in the S.W. Pacific: A brief review. Ore Geol. Rev., 4: 125-133. Manganese occurs as...order of importance as producers). In each case, mining has now ceased to be economically profitable. Present...Present information on S.W. Pacific terrestrial manganese deposits is limited and dated and little work...or their mode of genesis exists. Data on the manganese distribution in soils are sparse. In the marine |
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| MINERALIUM DEPOSITA © Springer-Verlag 1983 Manganese Oxide Mineralogy in an Exhalative Environment...in a topographic depression on the sea floor. Manganese is first precipitated in the ~ 2+ oxidation state...pyrite-chalcopyrite-sphalerite-galena-sulphatesiron and manganese oxides is discernable. This is best exemplified by...categories of stratiform deposits. The iron and manganese oxide facies of such deposits are of particular...vicinity of exhalative vents, related iron and manganese oxide precipitation can take place under conditions |
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| of the Southeast Missouri base metal and barite district, by A. V. Heyl............................................. Occurrence model for sedimentary manganese deposits, by William Cannon and Eric Force...... iii I feel confident that all who read this group of preliminary short papers will recognize the opportunity...structures containing Pags 3 Examples^ Skelletaa District, Sweden Hljura-Kotalenti Belt, Finland Thompson...lulflde* ml er*enlde*,Tl-V magnetite -Platinum-group mineral* dliiemlnted In tlunlferou* magnetite eegr*g*tlon* |
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| Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits Geological...SOCIETY SPECIAL P U B L I C A T I O N NO. 119 Manganese Mineralization: Geochemistry and Mineralogy of...442836) Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA (Orders: Tel. (918) 584-2555...Clearance Center, 27 Congress Street, Salem, MA 01970, USA: the item-fee code for this publication is 0305-8719/97/$10...BCTHN,B. & DASGUPTA, S. Precambrian to Modern manganese mineralization: changes in ore type and depositional |
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| Resumption of Activities at the Howell Mine BY WILL C. HIGGINS The Howell Mining Company, of Salt Lake City, is...property in the South Fork The property of the Howell Mining Com of Big Cottonwood canyon, about twentyfive...the great Cardiff mine, its near to the discovery of the property of the Howell Mining Company, of the...-roots. The discovery of the Howell reads al district has been not most like a romance . ed for its...ment and operation , the richest portion of and mining activities were inaugurated in Utah the Big a |
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| Southern Africa The Mining Journal, Annual Review - 1956 Chemical Mining Prospects for Mining Development in...in the British Solomon Islands Tanganyika Mining Industry in 1955 Perlite and Silicosis New Bulletin Supplement...J. Pryor Metallurgy of the Rarer Metals — 3 . MANGANESE . By A. H. Sully . Tin 1954 : A Review of the...World Tin Industry. By International Tin Study Group . Supplement 1955 to the Statistical Year Book ...Tinplate and Canning. By International Tin Study Group The East African Rift System ( Bulletin Supplement |
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| and paleoecology. We recognize the work of the mining geologists, the petroleum goelogists, the hydrologists...scan the world literature. To each article, or group of kindred articles, some sort of "highlight commentary"...1 5 HALL, T. C. F.: The Coal of Gondwanaland Mining Mag. 82:201-203, 204-207, 208, 210 (1950) A Possible...Mantle Cells and Mineralization WALKER, W: 90 Mining Eng. 22(12):69 (1970) 1~ cY Metallogeny: A Key...Key to Exploration GUILD, P. w.: 91 Mining Eng. 23(1) :69-72 (1971) PEREIRA, J., and c. J. DIXON: |
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| PRACTICAL GEOLOGY I. District Reports A. England and Wales I. South-Western District • • • • 2. Bristol-Southampton...Bristol-Southampton and South Wales District 3. East Anglia and South-Eastern District • 4. South Midlands and Central...Central Wales District . 5. Yorkshire and East Midlands District . • 6. North-Western District • • • .. 7...North-Eastern District • • • 8. North Wales District • • • • B. Scotland I. South Lowlands District • • • •...• • • • 2. North Lowlands District • 3. Scottish Highlands and Islands • • • • C. Geological Survey of |
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| Island Santa Isabel Island Russe/ Islands Florida Islands Malaita Island Tangarare Guadalcanal...Stratigraphy 17 The pre-Miocene basement 17 The Mbirao Group l 7 Mbirao \Tolcanics 18 Tetekanji Limestones 19...Mbirao Metabasics 22 Petrochemistry of the Mbirao Group 23 The Guadalcanal Ultrabasics 25 Marau Ultrabasics...Poha Diorite 30 Kavo Greywacke Beds 32 Mbetilonga Group 33 Tangareso Beds 35 Mbokokimbo Formation 36 Toni...Significance of s -sur-faces within the Mbirao Group 56 Bedding planes in the Neogene sequence 56 Deposition |
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| 398/2 12521 111 CONTENTS Fauro Group 77 Alu Group 78 Treasury Group 79 Discussion 79 One Introduction...Fauro Island Group 61 Stratigr aphy 61 Structure 67 Geological history 68 Alu Island Group 68 Stratigraphy...units 63 Analyses of igneous rocks from the Fauro group 78 Analyses of igneous rocks from Alu 79 Analyses...Pro ject, covering the geology of the New Georgia Group, has been described separately by Dr P. N. Dunkley...affected the cover sequence. In the Shortlands Group, Fauro and surrounding islands, in the north-east |
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| accumulations of polymetallic (or ferromanganese, or manganese) nodules and crusts also result from authigenic...continents by winds. Minor amounts of iron manganese oxides and zeolites often are present, usually in...Polymetallic nodules, also known as ferromanganese or manganese nodules, cover vast areas of the North Pacific...80 · W Fig. 20. Distribution of polymetallic (manganese) nodules on the North Pacific seafloor (modified...authigenic minerals such as zeolites and iron/manganese oxides are obvious due to a lack of dilution by biogenic |
Florida Mine group, Tombstone Mining District, Cochise County, Arizona, USA