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| mine tunnel walls; weathering products of mine dumps and slag). A second human influence on the distribution...in the combustion products of coal mines, waste dumps, or peat bogs. The origin of a particular fire is...localities A. Alteration phases recovered from ore dumps Delrioite 3 Sr(V5+O3)2·4H2O Jo Dandy mine, Paradox...localities, Greece Zn5(OH)8Cl2·H2O Richelsdorf slags, Hesse, Germany Pb3O3Sb3+(OH)Cl2 Lavrion District...associated with mine dump fires, including coal mine dumps Acetamide 1 CH3CONH2 Dump in a coal mine, L’viv-Volynskii |
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| 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,...movements Pyromorphite : mimette : covelline — : anglesite + malachite : cerussite : inarte : smithsonite |
 | Sharygin, Victor, Kamenetsky, Vadim, Zhitova, Liudmila, Belousov, Alexander, Abersteiner, Adam (2018) Copper-Containing Magnesioferrite in Vesicular Trachyandesite in a Lava Tube from the 2012–2013 Eruption of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 514 doi:10.3390/min8110514 | Journal (article/letter/editorial) |
| spontaneous ignition and burning of the mined copper–zinc ore. Cuprospinel, together with delafossite (CuFeO2 )...silica flux found at the Olympic Daman copper smelter copper sulfides and related phases (hematite, quartz...Otherminerals mineralsinclude include gold, gold, anglesite anglesite (PbSO (PbSO44),), unidentified unidentified...paralava: natural fires of coal and in coal mines dumps [43–49].inSuch are always associated with fumarole...caustobioliths and burning coalprocesses mines dumps [43–49]. Such processes are activity. always The |
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| 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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| 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 |
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| 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__________________________________________ |
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| 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 |
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| owner of his third job in the day! He worked as a smelter for the next four years before moving onto a job...Hampshire Basin" etc.). You simply click on the region of your choice on an interactive map to download...outline of the basic r-... bedrock geology for the region. The coverage is not nearly .If" \ as detailed...where the varitheir study of a vast underground region ous processes are believed tooperate. extending...large falls seen in other commodities, like iron ore, oil, copper, coal, or even gold in the same period |
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| 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 |
 | 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...(mottramite). Galena is successively weathered in anglesite and cerussite. Sphalerite is weathered in smithsonite...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...the Moroccan High Atlas, numerous Pb–Zn supergene ore deposits described in the 1960–1970s (Emberger 1969 |
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| 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 |
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| 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 --------------------------------------- |
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| mentioned, challenge of the theory on the origin of the ore deposits. In revising this book the author has attempted...Incorrect Fluorescent Minerals.............. Anglesite .......................... Anorthite ...........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 |
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| .. 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 |
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| 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 |
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| 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 |
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| G. Ryback 51 Troilite from Glenelg, Highland Region, Scotland: the first British Isles occurrence....polydymite, unless one appreciates that it is a rare ore of nickel. Similarly, if one found a specimen of...old mining terms as 'iron-glance' and 'green lead ore' are listed. The Handbook of Mineralogy series gives...minerals found in rocks and gives scant attention to ore and vein minerals. For a more rounded approach one...' S Cleuch should be under Dumfries &. Galloway Region . p.91, RH col. , line 2 from bottom , & p.92, |
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| 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. |
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| significant prospects3 were plotted and their respective dumps were mapped. Based on this information and previous...Geologic relations and isotopic dating indicate that ore mineralization, hydrothermal brecciation, and pervasive...just below site PI 2 (Fig. 2). Mining and Ore-Related Minerals Ore minerals present within the major mines...Representative samples obtained from waste and ore dumps from some of the larger mines in Prospect Gulch...1999, Table 1, p. 21). These studies show the major ore minerals to consist of pyrite, sphalerite, galena |
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| 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 |
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| quite a few of these. They are more value as an ore. This fell ow was not to or less round and stained...have gotten on, so we in important amounts in the ore, which is resigned ourselves and returned to thr...of constituents of true fulgurites. this entire region are of ancient origin. Ful1uritic It is obvious...she does have some minerals. In the T ampa Bay region there is a n1aterial that has been polished and...story of the Tampa Bay region. I did not need that. Also, I had visited that region and collected an auto |
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| good year's mineralogy and, with luck, with even m ore members this time next year. To all members and their...wide ranging lecture on the subject 'Mineralogy and Ore Genesis' on 17 November 1995, bravely attempting...lecture began with an overview of the genesis of ore deposits. Committee... or lack thereof! The AGM...default until such time as matters can be regulated. Ore-bearingfluids derived from magmatic sources, meteoric...processes and their mode of emplacement to form ore deposits were briefly described. The textures ofore |
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| CERUSSITE Collectible Lead Carbonate COLLECTING ORE Specimens with Stories To Tell GLACIAL GOLD Wires...it affect the future of the hobby? The Appeal of Ore .......................................... 50 by...secondary weathering and leaching of the primary iron ore, and are not the result of any igneous process. See...thomsonite 6 www.rockngem.com Field Notes.indd 6 region, it is in fact abundant in the Minnesota Iron Ranges...proved to be insignificant. Small amounts of gold ore have been recovered from lode mines on Taylor Creek |
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| Je n n i’s insatiable curiosity led him to the dumps of the long defunct portion of the quarry, the “...alterations in fine crystals, such as hemimorphite, anglesite and pyromorphite. Unquestionably his greatest...titanite, geikielite. H e first noted it on the dumps of an adjoining property and it was identified as...useum and many museums in England, France and Germany. Although I had corresponded with Col. Jenni for...practitioners of our hobby. September— October, 1971 M ore than ever, collectors in many countries are themselves |
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| 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 |
