 | Hazen, Robert M., Hystad, Grethe, Golden, Joshua J., Hummer, Daniel R., Liu, Chao, Downs, Robert T., Morrison, Shaunna M., Ralph, Jolyon, Grew, Edward S. (2017) Cobalt mineral ecology. American Mineralogist, 102 (1) 108-116 doi:10.2138/am-2017-5798 | Journal (article/letter/editorial) | | 28 phases with spinel, nickeline, pyrite, and marcasite structural topologies. All 40 secondary cobalt...5 Clinosafflorite (19) CoAs2 Hydrothermal Co-Ni ore 1,3,6,8,13 6 Cobaltite (762) CoAsS High-T hydrothermal...25,27,28,42,51 12 Jaipurite (4) CoS Hydrothermal ore 43 13 Kieftite (3) CoSb3 Sulfide skarn 1,7 14 Langisite...35,40,41,50 16 Mattagamite (3) CoTe2 Massive Te ore 19,44 17 Modderite (3) CoAs Heavy mineral concentrates...(8) CoSe2 Hydrothermal ore 31 24 Tyrrellite (9) (Co,Cu,Ni)3Se4 Hydrothermal ore 52 25 Wairauite (8) CoFe |  | | Report (volume) | | chlorite, galena, hematite, limonite, magnetite, marcasite, molybdenite, pyrite, pyrrhotite, scheelite, sericite...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 |  | | 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... Many sulfide minerals, including pyrite and marcasite (FeS2), pyrrhotite (Fe,.xS), chalcopyrite (CuFeS2) |  | | Journal (issue) | | written in 1910-1911 by Friedrich Schumacher on the ore deposits owned by “Ruda-12 Apostoli” company, a mineral...educated in Germany. The collection has been added with new gold specimens from the ore deposits around...between 1920 and 1948. Other mineral samples from ore deposits of Romania or from all around the world...383 mineral samples, 53 rock samples, as well as ore processing reagents, mining models, mining devices...belonged to mining companies based in the Brad region. Today, it is owned by S.C. “MINVEST” S.A. Deva |  | | 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 |  | | Journal (article/letter/editorial) | | representative of the central and most prospective region of the Condor deposit. Fig. 1 shows concentration...expected t h a t HC1 would dissolve sphalerite or marcasite and it is proportions of Ti and Cr remaining...environmental problems if oxidation occurs in waste ore dumps. For Condor oil shales it occurs mainly in two...debris and as inclusions in some siderite grains. Marcasite has been observed as a halo around some collophane...of trace elements in the leachates from waste ore dumps (Patterson et al., 1986b)and in relation to decomposition |  | | 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 |  | | 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 |  | Dincă, George, Apopei, Andrei, Szabo, Robert, Maftei, Andreea (2022) The Effect of Mn Substitution on Natural Sphalerites by Means of Raman Spectroscopy: A Case Study of the Săcărâmb Au–Ag–Te Ore Deposit, Apuseni Mountains, Romania. Minerals, 12 (7) 885 doi:10.3390/min12070885 | Journal (article/letter/editorial) | | Spectroscopy: A Case Study of the Săcărâmb Au–Ag–Te Ore Deposit, Apuseni Mountains, Romania George Dincă...Spectroscopy: A Case Study of the Săcărâmb Au–Ag–Te Ore Deposit, Apuseni Mountains, Romania. Minerals 2022...range 0 ≤ x ≤ 0.25 apfu from the Săcărâmb Au–Ag–Te ore deposit, found in the Apuseni Mountains, Romania...several types of sphalerites in the Săcărâmb Au–Ag–Te ore deposit was caused by the succession of different...domains: light-emitting or laser diodes in the Near-UV region, photocatalysis, solar energy conversion, etc. |  | | Journal (issue) | | conceivably arise From an ore pile near from the human occupation of mining, from ore dumps, Battle Mountain,...very dark gray rock that had beautiful wheels of marcasite along with spots of bright red cinnabar and little...pleased to have the drawer bottoms being Fig. 1 Marcasite and cinnabar eaten up by those pieces. The whole...proven to be stable. So that is how I learned that marcasite is another mineral that does not keep well. Some...in the matrix, will do the same thing as the marcasite. It seems that in both crystal forms, iron disulfide |  | | Book | | large ilmenite masses could be seen on the old dumps. In 1975-1976, Brunet collected sharp, black, flattened...7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment, many more "lost" localities...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during |  | | 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 (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 | | of debris washed down fromthe Roughton Gill mine dumps under Iron Crag C O N T E N INTRODUCTION...Elizabeth I to work copper and silver there. The smelter they built at Keswick was the largest in Europe...contributions on the topographical mineralogy of the region updating the earlier work of Greg & Lettsom (1858);...elsewhere in the Lake District, where the dominant ore minerals are sulphides of lead, copper and zinc,...antimonyin the Caldbeck Fells ores that the master smelter Joachim ve Gaunse referred to in 1581 as oneof |  | | Report (issue) | | Covellitc Violarite Stibnite Pyrite l .ocllingite Marcasite Arsenopyrite Molybdenite Sylvanite VVittichcnite...manganocalcite, man- 10 Localities by County marcasite, niicrolinc, microlitc, monazite, montmorilganotantalite...kaolinite, kyanitc, limonite, magnetite, mala chite, marcasite, margaritc, martite, melaconite, paragonite, pickeringitc...ilmenite, kyanitc, lithiophoritc, magnetite, marcasite, NH,-bearing muscovite, paragonitc, pyritc, pyromorphitc...hornblende, kyanite, limonite, mag netite, malachite, marcasite, melanterite, muscovite, orthite, pyrite, pyrrhotite |  | | 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__________________________________________ |  | | 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 |  | | 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 | | mentioned, challenge of the theory on the origin of the ore deposits. In revising this book the author has attempted...early 1600’s a white man first saw the outcrops of ore minerals in the area which is referred to now as...collector whether he is interested in micromounts, ore minerals, spectacular cabinet specimens, or fluorescent...never occurred that he was seeing evidences of an ore body that would eventually challenge the ingenuity...becomes available, as the old ore 13 14 NATURE’S HIDDEN RAINBOWS dumps are weathered causing minor |  | Sun, Jing, Strosnider, William H.J., Nairn, Robert W., LaBar, Julie A. (2020) Water quality impacts of in-stream mine tailings on a headwater tributary of the Rio Pilcomayo, Potosí, Bolivia. Applied Geochemistry, 113. 104464 doi:10.1016/j.apgeochem.2019.104464 | Journal (article/letter/editorial) | | Hemisphere (World Bank, 2009). Communities in 75 the region rely on the river for washing, irrigation, fishing...through ore dumps and tailing piles, point-source tailing discharges from Potosí’s 85 ingenios (ore processing...Rico are stannite, arsenopyrite, galena, 107 marcasite, wurtzite, sphalerite, chalcopyrite, stibnite...calcium oxide (CaO) is commonly 243 used in the ore separation process in Potosí, leading to tailings...292 city). 293 3.3 Speciation 294 The study region consists of Upper Cretaceous and Tertiary bedrocks |  | | 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 | | leading authority on mineralogy, describes the unique ore deposits at Franklin and Sterling Hill, New Jersey...Mineralogy of the Deposits Ore Minerals, 20 Skarns, 21 Geochemical Features of Ore and Skarn, 23 Vein Occurrences...first appears in the mineralogy of the ordinary ore, where zincite and franklinite, both scarcely known...The textural and exsolution relations of both the ore and skarn minerals, as responsive to the complex...persons living in Franklin or in the surrounding region. These col¬ lections have since been dispersed |  | | 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) | | .. Production tables ........ .... Treatment of ore . . . . . . . . . . . . .... Geological setting of...geology . . . . . . . . .... Ore controls ........ Composition of the ore bodies .... .... .... Wall-rock.... Mine workings .... .... Grades of ore . . . . . . . . .... Ore reserves . . . . . . . . Wheal Ellen..... Footwall shoot .... .... .... .... .... .... Ore reserves . . . . . . . . .... .... Gallagher’s pyromorphite... ........ Geological information Description of ore bodies . . . . . . . . ........ Composition of 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 |
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