 | | Book | | example, is found in the oxidized zones of copper deposits, often with cuprite and malachite. Localities...occurs at Keweenaw, Michigan, in association with copper ores, and at Butte, Montana, as well as Colorado...neighbourhood of sulphurĀ¬ bearing agents. Above: Copper from Lake Superior. Michigan. This crystal shows...this example out of proportion Above right: This copper specimen shows dendritic (plant-like) habit and...threadlike appearance 10 Elements and Alloys Copper Cu Native copper occurs in small amounts only, the mineral |  | | Journal (issue) | | University of Bucharest, Romania Rom . J. Mineral Deposits is also the Bulletin of the Society of Economic...Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...various authors involved in the research of gold deposits around Brad. For example, in a report written...in 1910-1911 by Friedrich Schumacher on the ore deposits owned by āRuda-12 Apostoliā company, a mineral...been added with new gold specimens from the ore deposits around Brad or from the āGolden Quadrilateralā |  | | Journal (article/letter/editorial) | | The āchessboardā classiļ¬cation scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium...November 2009 Keywords: economic geology mineral deposits geology mineralogy classiļ¬cation scheme spreadsheet...studies are centered around the emplacement of the ore body and the development of its minerals and rocks...commodities are subjected to a tripartite subdivision into ore minerals, industrial minerals/rocks and gemstones/ornamental...information on the various types of mineral deposits, as to the major ore and gangue minerals, the current models | | | Journal (article/letter/editorial) | | The āchessboardā classiļ¬cation scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium...November 2009 Keywords: economic geology mineral deposits geology mineralogy classiļ¬cation scheme spreadsheet...studies are centered around the emplacement of the ore body and the development of its minerals and rocks...commodities are subjected to a tripartite subdivision into ore minerals, industrial minerals/rocks and gemstones/ornamental...information on the various types of mineral deposits, as to the major ore and gangue minerals, the current models |  | | | | composed of one element. Gold, copper, silver, platinum, bismuth and graphite fall in this subdivision. Sulphides...metallic mineral is opaque and shiny like metal, e.g. copper, silver, gold. A non-metallic mineral is transparent...description is not clear, e.g., submetallic, for graphite. Adamantine: brilliant, hard, durable, e.g., diamond...yellow), p. 50 chalcocite (dark grey), p. 34 | graphite (steel grey, black), p. 30 | stibnite (lead grey)...176 | platinum (silver-white), p. 26 Red-Brown copper (reddish to brown), p. 20 hematite (steel grey |  | | Book (edition) | | description of the more important Canadian mineral deposits, as well as brief references to some of the well-known...Asbestos Glass Sand 298 XI. Minor Minerals. Graphite Monazite 344 XII. Minor Precious Stones Minerals...PART 416 II. ORE DEPOSITS XIV. Ore Deposits XV. 429 Iron Ores 502 XVI. Copper 568 XVII. Lead...occurring in passage of vegetable tissue to graphite Section in Coal Measures of western Pennsylvania...house and tipple, bituminous coal mine, Spring Valley, 111 Northern Interior coal field Composite section |  | | Book | | ORE DEPOSITS OF MAGMA TIC ORIGIN THEIR GENESIS AND NATURAL CLASSIFICATION BY DR. PAUL NIGGLI !'ROl'&S50R...research in the geology of ore deposits can give clearer ideas about the origin of ore, that there is more in...research with respect to their chief asset, their ore deposit. The presentation of a view-point that envisages...connected phenomena in the formation of magmatic ore deposits that stewing in the magma chamber (Magmaherd)...the magma chamber; the subsequent production of ore-forming solutions, as a later, or last, stage of |  | | Journal (issue) | | to 8 were stated to represent the common types of ore found in the main deposit. RESULTS OF EXAMINATION...: I ' . - ā¢ "\ - near Forester's Cottage. Ore exposed in shafts Nos. 1 to 6 at 6 ft. depth. Per...estimates that if an average deptl1 of 7 ft. of workable ore be assumed, then the Luchenya deposit contains not...a':"erage of the ore from the lower portion of the main deposit, then such average ore would have the following...analysis, however, indicates a much lower grade ore than that represented by the analysis (quoted on |  | | Book (volume) | | International Association on the Genesis of Ore Deposits Snowbird, Utah, U.S.A. Volume I ' E. Schweizerbart'sche...International Association on the Genesis of Ore Deposits Volume I Papers presented at the Symposium...genesis of ore deposits and on studies of the ā¢Ore geology of specific districts or deposits tExclusive...beyond the means of members and other interested ore geologists. This size was determined, through discussion...publish those papers that impinged directly on the ore geology of western North America as a Report (33) |  | | Report (volume) | | Atlantic coastal plain. Abercrombie (W. R.). 1. The Copper River country, Alaska. Franklin Inst., Jour., vol...observations on the general geology, and the occurrence of copper and gold ores in Alaska. Adams (George I.). 1...and geologic age of gypsum deposits in general. 2. Zinc and lead deposits of northern Arkansas. U. S...origin of the zinc and lead ore deposits of this region. 3. Zinc and lead deposits of northern Arkansas. Am...formations of Sonora, particularly upon Paleozoic deposits. 3. El fierro meteorico de Bacubirito .(Est. |  | | Book | | P E R M I N I N G IN E U R O P E Prehistoric Copper Mining in Europe 5500ā500 bc W I L L I A M O āB...Europe some 8,000 years ago, the ability to produce copper marked a new stage in the human relationship with...conducted on some ļ¬ve millennia of prehistoric copper mining in Europe. There is a broad-ranging look...achievement. The study commences with the oldest known copper mines in Europe, dating to the sixth and ļ¬fth millennia...Balkans. It examines the record of Chalcolithic (Copper Age) and Bronze Age mining for many parts of Europe |  | | Book (volume) | | Mineral Deposits of Europe AVo)lbhaslow-tmele lolieleYolsi aince)e)> AUslom\ihaleigclelefleclmerereioias...MN, bbelbeemcleloM\,(circlllbncenās Mineral Deposits of Europe Volume 2: Southeast Europe Southeast...ferrous, non-ferrous and non-metallic mineral deposits of Europe, includes an introduction by W. E. Petrascheck...gather information on the geology of European ore deposits knows the frustrations that such an endeavour...ferrous, non-ferrous and non-metallic mineral deposits of Europe is available in English, or for that |  | | Book | | well-formed crystals. This specimen is from the Petaca district of New Mexico. Granite 6 The darker, heavier...of the large intrusive masses of gabbro contain ore bodies of iron and/or titanium. Gabbro differs from...from the Andes Mountains, an area that is rich in deposits of this rock. This example was uncovered at Mohorn...of calcium carbonate dissolved in water. Cave deposits, such as this specimen from Brazil. Indiana. are...travertine. Tufa is a lightweight rock formed from the deposits of springs and streams. It 1s also known as "sinter |  | | Book | | carried out using a fi ngernail (hardness 2-2.5), a copper coin (hardness 3) or a steel knife (hardness 5...ELEMENTS Copper opper has a characteristic reddish colour darkened by a coating of black copper oxide....weathering produces a covering of green copper carbonate. Native copper is quite rare, but the metal is easily...from ores. Copper was one of the earliest metals known, and bronze, a hard alloy of copper and tin, has...used since c. 3000 BC. Native copper is found in altered copper deposits, cracks in basaltic lavas, and | | | Book | | carried out using a fi ngernail (hardness 2-2.5), a copper coin (hardness 3) or a steel knife (hardness 5...ELEMENTS Copper opper has a characteristic reddish colour darkened by a coating of black copper oxide....weathering produces a covering of green copper carbonate. Native copper is quite rare, but the metal is easily...from ores. Copper was one of the earliest metals known, and bronze, a hard alloy of copper and tin, has...used since c. 3000 BC. Native copper is found in altered copper deposits, cracks in basaltic lavas, and |  | | Journal (article/letter/editorial) | | the Sulitjelma Copper Mines, North Norway Fred Steinar Nordrum The Sulitjelma Copper Mines (1891-1991)...fine mineral specimens have been collected in the district. Mining history The first deposit discovered...Introduction Copper has been mined in Norway for several hundred years, the first documented copper mine being...1490. Several types of copper ore deposits have been exploited, but the major ore type has been the Caledonian...sulphide deposits. Vigsnes, Stordl2J, Folldal, Rl2Jros, Ll2Jkken, and Grong are other well-known ore districts | | | | | had noticed similarities in age between glacial deposits in South Africa and South America. He also had...ions, changing the feldspar to a clay to Monument Valley and the Grand called kaolinite. But water is not...from mountain batholiths and washed into river deposits, weathering and erosion can be extremely profitable...years, especially along the Baltic Sea, where deposits are plentiful. In the Middle China have yielded...Osmium Hassium i Sm 62}Eu Samarium Pu Plutonium Copper Palladium 77)Pt Iridium Silver 48 Cadmium |  | | Book | | coal and oil are associated with sedimentary deposits. When a rock is altered by different types of...disciplines combine to identify economic mineral deposits. Early mineralogists were men who first noticed...minerals of an element which always forms cations (copper or sodium are examples) you need to look through...sedimentary rocks and are often associated with salt deposits because they are precipitated from evaporating...the only tool needed. These are pencils with the graphite points replaced by sharp-edged pieces of the standard |  | | Book | | had noticed similarities in age between glacial deposits in South Africa and South America. He also had...the Colorado Plateau in Arizona, home to Monument Valley and the Grand Canyon, more than a vertical mile...from mountain batholiths and washed into river deposits, weathering and erosion can be extremely profitable...years, especially along the Baltic Sea, where deposits are plentiful. In the Middle Ages, the amber trade...(;hr<)tl'll.um Mangan,ese l!Oll Cobalt Nickel Copper Zinc 39 Zr 40 Nb 41 Mo 42 Tc 43 Ru 44 Rh 45 Pd |  | | Report (issue) | | IAEA-TECDOC-500 ISSN 1011-4289 Printed by the IAEA in Austria March 1989 PLEASE BE AWARE THAT ALL OF THE MISSING...Wagramerstrasse 5 P.O. Box 100 A-1400 Vienna, Austria Orders should be accompanied by prepayment of Austrian...an excellent coverage of uranium occurences and deposits and their geological framework in Canada and the...genetic models for important types of uranium deposits and areas favourable for their occurrence in Canada...review of genetic models for major types of uranium deposits in the USA (abstract only) .................. |  | | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 CHARACTERISTIC FEATURES OF ORE DEPOSITS FOUND IN CONTACTMETAMORPHIC AUREOLES IN JAPAN...Takeo Watanabe (1960) CHARACTERISTIC FEATURES OF ORE DEPOSITS FOUND IN CONTACT-METAMORPHIC AUREOLES IN JAPAN...page/terms-and-conditions CHARACTERISTIC FEATURES OF ORE DEPOSITS FOUND IN CONTACT-METAMORPHIC AUREOLES IN JAPAN'...later intrusive masses are found various kind of ore deposits of pneumatolytic and hydrothermal origin. In...In calcareous environments many replacement deposits of Ca-Fe-skarn type occur commonly, while pneumatolytic |  | | Book | | minerals. Its name is derived from the Greek minera, ore, and logos, reason. Its beginnings as a separate... haematite, cinnabar, proustite, pyrargyrite, graphite, and native elements such as arsenic and bismuth...and some native eJements such as gold, silver, copper, and diamond. Crystals bounded by faces of a single...lattices of two modifications of native carbon: (a) graphite, (b) diamond crystal systems, and thus display...modifications of pure carbon: diamond (cubic) and graphite (hexagonal). A peculiar class of false crystal | | | Book | | minerals. Its name is derived from the Greek minera, ore, and logos, reason. Its beginnings as a separate... haematite, cinnabar, proustite, pyrargyrite, graphite, and native elements such as arsenic and bismuth...and some native elements such as gold, silver, copper, and diamond. Crystals bounded by faces of a single...lattices of two modifications of native carbon: (a) graphite, (b) diamond crystal systems, and thus display...modifications of pure carbon: diamond (cubic) and graphite (hexagonal). A peculiar class of false crystal |  | | Book | | minerals. Its name is derived from the Greek minera, ore, and /6gos, reason. Its beginnings as a separate...haematite, cinna- bar, proustite, pyrargyrite, graphite, and native elements such as arsenic and bismuth...and some native elements such as gold, silver, copper, and diamond. Crystals bounded by faces of a single...lattices of two modifications of native carbon: (a) graphite, (b) diamond crystal systems, and thus display...modifications of pure carbon: diamond (cubic) and graphite (hexagonal). A peculiar class of false crystal |  | | Report (volume) | | Petrographische Mitteilungen, Bd. 26, H. 5-6. Vienna, Austria. U. S. Department of Agriculture: Field Operations...3, pp. 2533, 1908. Describes the occurrence of deposits of kaolin along the river San Juan del Rio, In...character, relations, and geologic history of Triassic deposits in the State of Zacatecas, Mexico. Ami, Henry...no. 31. Preliminary report on the Coalinga oil district, Fresno and Kings counties, California. See Arnold... 1908. Describes the local geology. 22. The ore deposits of Magdalena, New Mexico. Eng. and Min. Jour |
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