 | | Journal (article/letter/editorial) | | Tumurtijn-ovoo Fe-Mn-Zn skarn deposit located north of the district town of Barun-urt in the eastern part of Mongolia...in the polyphase Barun-urt granite massif (225–162 Ma). The main part of the deposit, being the object...nanotesla coincides with the spatial distribution of the zinc ores because of the high 251 contents of magnetite...thickness extend conformably into the marble to the south and to the west. To the north, the skarn crops out...from about 20° in the north to about 60° in the south, thus forming one limb of a big fold. A number of |  | | Book (edition) | | Kidlington, Oxford OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All...emphasise anisotropy effects. Left: The same alabandite sample observed under PPL (top, grey) and XPL...lamellar green, brown (oxidation) bluegreen Alabandite very light yes lemon yellow to redbrown and... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia; |  | | Journal (article/letter/editorial) | | diversifying into iron and steel manufacture; copper, lead, zinc, silver, gold and aluminium smelting and refining;...bauxite, limestone, manganese, uranium, silver, lead, zinc, copper, phosphate and gold mining elsewhere in...Hill district have undergone two events of high-grade metamorphism dated at about 1650-1700 Ma (Pidgeon...of granulite facies metamorphism at 1660 and 1590 Ma. The lower units of the stratigraphy have undergone...500 Ma and Pidgeon (1967) dated a pegmatite which transgresses a retrograde shear zone at 495 Ma. A possible |  | | Book (volume) | | Miroslav Pala~, Czechoslovakia Regional Councillors Africa............................... .... ..... M. A...America ........................ R. W. Boyle, Canada South America ......... ............... Alirio Bellezia...Rifts_and Aulacogens, with Special Reference to Africa ..... ................... ............ . Pavlova...Deposits Related to Infracambrian Rifting along Northern Gondwanaland ...................................Ore Deposits of the N amaquaJand, NW Cape Province, South Africa, and Their Implications on the Age of |  | | Book | | Germany Maarten J. de Wit, Port Elizabeth, South Africa François M. Roure, Rueil-Malmaison, France ...borders of Namibia and South Africa. They were split up in the Mesozoic during the south Atlantic Ocean opening”...Ortelius was the first to recognize the match of the South American and African Atlantic margins (Ortelius...translated to ‘if comparisons are made between Asia, Africa and Europe, it is clear that different areas in...Kontinente und Ozeane, Alfred Wegener considered South America, Africa, India and Australia as the main parts of |  | | Report (issue) | | deposits . G. H. Gale 191 The major stratiform lead-zinc deposits of the Proterozoic . . I. B. Lambert 209...modern-style plate tectonics began by about 1000-800 Ma, the nature and style of early Proterozoic tectonics...granites, and ignimbrites in the in¬ terval, 1800-1000 Ma. Anderson summarizes the occur¬ rence of these rock...charnockites, most of which formed between 2700 and 1000 Ma and constitute a significant proportion of Proterozoic...25 Choudhuri, 1980 Gibb, 1980 Birrimian, West Africa 2.3-1.95 Sillitoe, 1979 Lynn Lake, Manitoba |  | | Book | | Corporation of South Africa, the Chair of Economic Geology at Rhodes University, South Africa, and since...appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of Geosciences...which has included work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific...Felsic Phase of the Bushveld Igneous Complex, South Africa . . . . . . . . . . . 4.3.6 The Sn-W Deposits.... . . . . . . . 4.4.4 Sabie-Pilgrim’s Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...interpretive bedrock mapping in the Giyani area (South Africa) .. .........................................Etienne The statistical distribution pattern of zinc concentrations at Belousovskoye deposit (Rudny Altai)...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ............. |  | | Report (issue) | | laterites, and sedimentary exhalative and MVT lead-zinc deposits. Papers in this volume deal with most of...famous Mesoarchean Witwatersrand Supergroup in South Africa that contains Earth’s largest gold-uranium deposits... The fourth section of the volume concerns lead-zinc and manganese deposits and the information that...history of sedimentary exhalative (sedex) and MVT lead-zinc deposits, respectively, is best explained by an...post-depositional processes in uranium ores at the Stanleigh mine, Elliot Lake, Ontario, Canada.................. |
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