 | | Report (issue) | | Smith, Director Professional Paper 139 GEOLOGY AND ORE DEPOSITS OF THE DUCKTOWN MINING DISTRICT, TENNESSEE...CHAPTJregion, by F. B. Laney ______________';?. __________________...______________________________ _ CHAPTER V. The ore deposits, by W. H. Emmons ____ _ Geographic distribution...ral character of the primary ore ________ _ Minerals of the primary ore ________________ _ Actinolite...V. The ore deposits-Continued. Mineralogy of the ores-Continued. Minerals of the primary ore-Continued |  | Verhaert, Michèle, Bernard, Alain, Dekoninck, Augustin, Lafforgue, Ludovic, Saddiqi, Omar, Yans, Johan (2017) Mineralogical and geochemical characterization of supergene Cu–Pb–Zn–V ores in the Oriental High Atlas, Morocco. Mineralium Deposita, 52 (7) 1049-1068 doi:10.1007/s00126-017-0753-5 | Journal (article/letter/editorial) | | Accepted: 16 June 2017 # Springer-Verlag GmbH Germany 2017 Abstract In the Moroccan High Atlas, two...cementation zone (bornite, digenite, chalcocite, covellite), (2) the formation of oxidized minerals in the...typical calamine minerals, Cu minerals (chalcocite, covellite, malachite), and a Cu–Pb–Zn vanadate (mottramite)...protolith, related to variations in the mineralogy and ore grades and probably caused by varying Eh-pH conditions...Keywords Moroccan High Atlas . Weathering . Supergene ore deposits . Calamine . Non-sulfide Cu–Pb–Zn–V minerals |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...Windisch 30 Van Wouw Street Groenkloof, Pretoria West Germany Christian Weise Verlag Oberanger 6 D-8000 Munchen...Austria, OS 624; in Switzerland, SFr 76.80; in Germany, DM 76.80). Send to: Magma, Verlag Rainer Bode...Bode, Krokusweg 13, D-4630 Bochum 7, West Germany. For those readers of Magma and of the Mineralogical Record...percent or the total amount in the ore. It looked like a very fair ore and they said it ran about 7 ounces |  | Yin, Shenghua, Wang, Leiming, Kabwe, Eugie, Chen, Xun, Yan, Rongfu, An, Kai, Zhang, Lei, Wu, Aixiang (2018) Copper Bioleaching in China: Review and Prospect. Minerals, 8 (2) 32 doi:10.3390/min8020032 | Journal (article/letter/editorial) | | minerals, complex polymetallic resource, and solid ore waste [9,10], bioheap leaching and biodump leaching...revolution to extract minerals from mineral wastes and ore Minerals 2018, 8, 32; doi:10.3390/min8020032 www...process catalysis, and so on. Lower-grade copper ore in complex sulfide deposits is fluid flow, difficult...so incorporating on. Lower-grade copper function ore in complex sulfide is extremely extract [19]. the...some innovation methods to in situ leaching without ore stripping and onerous infrastructure operations in |  | | Report (issue) | | similarities in their geologic characteristics (ore and gangue mineralogy, major- and trace-element geochemistry...lithology, wall-rock alteration, physical aspects of ore, etc.), as well as their geologic setting (see for...to have potential for economic exploitation. An "ore deposit" is a mineral deposit that has been tested...Jambor and Blowes (1994), and Plumlee (in press). Ore and gangue mineralogy, host rock lithology, and wall-rock...minerals, carbonate minerals, whether present in ore or in host rocks, can help consume acid generated |  | | Journal (issue) | | Jacinto and Elsinore faults (Sharp, 1972). This region includes the Colorado River delta and the Imperial...and geologic structure in the southern California region: Bulletin of the Seismological Society of America...T. W, Jr, 1954, Geology of the Imperial Valley region, California in Geology of southern California:... 1982, Tectonic setting of the Imperial Valley region in The Imperial Valley, California, earthquake...during earthquakes in this seismically active region. CALIFORNIA GEOLOGY April 1988 IRRIGATION HISTORY |  | | Journal (article/letter/editorial) | | oregeorev.2014.11.018 OREGEO 1393 To appear in: Ore Geology Reviews Received date: Revised date: Accepted...in Egypt: Does the future get worse or better?, Ore Geology Reviews (2014), doi: 10.1016/j.oregeorev...targets including wall-rock alteration, listwaenite, dumps and tailings of ancient mines, byproduct gold hosted...pentlandite minerals. Characterizing gold in an ore is important in extraction metallurgy. Free-milling...oxidation; all oxidize the refractory minerals in the ore to render the gold amenable to cyanidation. Whilst |  | | Report (volume) | | area on Revillagigedo Island were examined because ore deposits at both localities contain minerals commonly...Forest Service. The Hyder district is a mountainous region of great relief. The valley floors of Salmon River...rarely fall below zero. GEOLOGY The geology and the ore deposits of the Hyder district have been described...of this type is a siliceous heavy-sulfide body of ore in the Premier mine in Canada (Schofield and Hanson...RADIOACTIVE DEPOSITS, S. E. ALASKA 31 show that the ore contains moderate to high amounts of gold and practically |  | | Report (issue) | | investigations .................. Lower Yukon-Kuskokwim region, by W. S. West ........................ Russian...Southern Kaiyuh Mountains ........ Koyukuk-Chandalar region, by A. E. Nelson ........................ Chandalar...Yukon-Kuskokwim region................. data on localities examined in the Koyukuk-Chandalar region ...........centered chiefly in parts of the lower Yukon-Kuskokwim region and northeastern, east-central, south-central,...lodes were discovered in the Koyukuk-Chandalar region, nor was the source of the monazite, previously |  | | Book | | portray the main chemical elements of the Tsumeb ore deposit and sym bolize from top to bottom: Copper...Eisenbahn-Gesellschaft: 1906-1946 . Tsumeb Mine . Ore Concentration and Smelting Ra:ilway and Communications...venturing too far down a blind alley in search of ore. And so it came about that I paged throitgh most...The search for a picture of the original Tsumeb ore outcrop was first rewarded by a gift from Dr. A....their keeping. The section on the present Tsumeb smelter was largely written by the Superintendent, Mr. |  | | Journal (issue) | | Ueber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...genetic relationship to diamond and may vary from one region to another. The accessory minerals are well known...groundwater levels. (c) Overburden. Deposits overlying the ore gravels can be even thicker. This overburden is typically...diving gear which they will take turns using. The ore grade is always low, ranging from 1 carat per cubic...of gravel. The gem percentage varies from region to region, but generally 20% to 40% of the diamonds |  | | Report (issue) | | .............................. East Kimberley region .................................................~inc-lead-copperprospects CHAPTER 14 EASTERN BORDER REGION CRYSTALLINE T E R R A I N S ix 109 109 I10 111...112 113 113 113 115 CHAPTER 15 THE BLACKSTONE REGION: BENTLEY SUPERGROUP Geology .....................000 2 Generalized geological map of the Kimberley region showing tectonic provinces, cupriferous stra- ...51 52 53 54 TABLES 1 Annual production of copper ore and concentrates Western Australia 1853-1976 ... |  | | Journal (issue) | | attraction. Photo courtesy of Peter Megaw. Introduction ore mining at the Ojuela ceased in the mid-1940’s, but...respective heydays, exploiting hydrothermal polymetallic ore deposits. The Tsumeb deposit, however, is geologically...has done so only during the last 60 years, after ore mining had largely come to an end (we almost dare...specimens the miners probably encountered and crushed as ore or discarded as waste during those 340+ years). Both...fluorite, celestine, apatite, and magnetite iron ore, have produced few noteworthy specimens. But the |  | | Journal (issue) | | available). Arizona being the remarkably mineral-rich region that it is, we have not yet come close to describing...yielded hundreds of tons of wulfenite crystals as ore. And yet it is probably among the least visited by...recounted by Dowell (1978a, 1978b). The Total Wreck ore deposit was discovered in 1878 by John T. Dillon...levels, and miners began hauling out 50 tons of ore per day, which at first was stockpiled on the dump...mine opening to the mill, and a mule-drawn 5-ton ore car was brought in. In 1882 a massive steam-powered |  | | Book | | landforms and ore deposits: Economic Geology, v. 79, p. 1286–1298. Sillitoe, R.H., 1985, Ore-related breccias...B.H., Mason, R., and Hodgson, C.J., eds., Giant ore deposits: Society of Economic Geologists Special...gold-silvermercury deposits at Paradise Peak, Nevada: Ore controls, porphyry gold association, detachment faulting...2003, Linkages between volcanotectonic settings, ore-fluid compositions, and epithermal precious metal...and Graham, I.J., eds., Volcanic, geothermal, and ore-forming fluids: Rulers and witnesses of processes |  | | Report (issue) | | importance or potential. ORE MATERIALS Mineralogical composition of the ore. Generally includes metallic... but which are 11 intimately associated with ore grade mineralization. Minerals that appear in parentheses...MINERALS Mineralogy of non-economic component of ore. SIGNIFICANT ALTERATION Description of alteration...IV PRODUCTION TABLES Amount of commodities or ore produced in a given year or range of years. Production...units as given in the source publication. ITEM: Ore, concentrates, or commodity. TONNAGE(xlO^): Amount |  | | Report (issue) | | Tooele County. 7. Map and longitudinal profile of ore bodies in Scranton mines. 8. Sketch map of the geology...6. Diagram showing fissure vein of oxidized zinc ore, Redmond silver mine, Redmond_________________________________...18 8. Section of a large low-grade oxidized zinc ore body in the hanging wall of a lead vein, Lower Mammoth..._ 19 9. Diagrammatic section of the Horn Silver ore body, Frisco____ 20 36 10. Sketch map of Tecoma and...districts, mines, claims, and prospects of oxidized zinc ore in Utah__________________________________________ |  | | Journal (issue) | | Spot International TD-9s Each Load 39 Tons of Ore Hourly for Eagle-Picher Three International TD-9s...with Lodover shovels speed the load- ing of lead ore for Eagle-Picher Mining and Smelting Company. These...hourly production per unit has been 39 tons of lead ore into the haul-trucks for 516 consecutive working...International TD-9 takes a cubic yard bite of lead ore with Lodover backs to haul-truck and flips the load...high-pro duction loading and haulage of rock and ore, Joy teams of track less loaders and electric or |  | | Book (edition) | | three parts: (I) Principles and Processes, (II) Ore Deposits, and (III) Nonmetallic Mineral Deposits...worker as well as for practical considerations of ore finding. Increasing population and increasing mechanization...attention was paid to the rocks that enclosed the ore deposits, to deciphering their character, structure...scope of economic geology includes not only metallic ore deposits but the broader field of nonmetallics, whose...geology which deals especially with the problems of ore deposits and their relation to metal mining and, |  | | Report (issue) | | Maritime Plain, a lowland within the Appalachian region, that includes Prince Edward Island and adjacent...They were formed in Mississippian time when the region was invaded by seas that laid down layers of limestone...glacial ice. With the retreat of the glaciers, the region was uplifted, but the islands failed to reach their...sandstone that underlies the surrounding low-lying region. The road log continues straight ahead. 3.2 Butte...in volcanic rocks associated with the manganese ore. Cavities in the limestone are common; they are lined |  | | Book | | its final aban donment 3.5 to 4 million tons of ore were mined, yielding about 400,000 tons of pig lead...into white marble. The ore ac companies dacite-liparite and appears in the region of big tectonic fractu...mines are located on dacite liparite apophyses, ore veins being richest at the intersections of apophyses...mining to date. There are four principal types of ore · bodies at Balya, which may be summarized as follows...disseminated replacement or «porphyry» ore. Below minus 80 metr.rs the ore is too diluted to be of economic |  | | Book | | geographical distribution, geology, mining and ore processing plants in the territory of the former...evaluation of mineralresources base, forecast of ore concentration and development of technologies. That...valuable deposits and the forms of ore bodies – in conjunction with mining, ore treatment technology and complex...engineers, technologists of mineral processing and ore treatment, and businessmen in the field of minerals...Turkmenistan Definitions 1.1 NonFerrous Metals 3 – Ores, Ore Complexes, Orebodies 1.2 Deposits and Ores of NonFerrous |  | | Book (edition) | | agricultural or aggresive, such as Argentina, Germany, and Japan, respectively. Many less developed countries...the Industrial Revolution. Brazil has much iron ore but little coal. India has much manganese, coal and...exporting iron ore to Japan and Iran. China and Russia have immense resources of coal and iron ore and are or...major industrial nations. With the waning of iron ore in Great Britain came a change in Britain's economy...Exhaustion, and Costs of Mining The exhaustion of an ore deposit may occur suddenly or slowly as the result |  | | Report (issue) | | TITU S , Hydrology BULLETIN 10 The Geology and Ore Deposits of Sierra County, New Mexico by GEORGE TOWNSEND...-------------------------------------------- 43 Ore deposits 47 Geographic distribution ------------...relations --------------------------------------------Ore deposits ---------------------------------------...-------------------------------------------------Ore deposits ---------------------------------------...relations -----------------------------------------------Ore deposits --------------------------------------- |  | | Report (issue) | | calcite, chalcocitc, chalcopyrite, chrysolite, covellite, feldspar, galena, gold, graphite, kyanite, laumontite...COUNTY: azurite, bornite, chalcopyrite, copper, covellite, cuprite, ilmentite, leucoxene, magnetite, malachite...to collect from the rather thoroughly pickedover dumps! Selected References Fontaine, W. M„ 1883, Notes...their bearing on the geomorphic history of the region, their included relatively rare minerals (see,... radial and plumose forms occur intergrown with ore minerals, e.g., pyrrhotite, at the Betty Baker Mine |
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