 | | Journal (article/letter/editorial) | | 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 |  | | Report (issue) | | RADIOACTIVE DEPOSITS IN THE LOWER YUKONKUSKOKWIM REGION, ALASKA, 1952 This report concerns work done on...RADIOACTIVE DEPOSITS IN THE LOWER YUKONKUSKOKWIM REGION, ALASKA, 1952 By Walter S. West CONTENTS Page...In pocket Index map of the lower Yukon-Kuskokwim region showing areas mapped, Alaska............. 3 Topographic...ABSTRACT Reconnaissance in the lower Yukon-Kuskokwim region during 1952 consisted of an examination for radioactivity...of metazeunerite was found in a sample from the ore dump of this same tunnel. No other occurrences of |  | | Report (volume) | | molybdenite, pyrite, pyrrhotite, scheelite, sericite, sphalerite, sphene, and zircon. Investigations for radioactive...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...metalliferous minerals are galena and pyrite. Sphalerite, chalcopyrite, tetrahedrite, pyrrhotite, and |  | | 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...oxygenated water. Other sulfide minerals, such as sphalerite (ZnS) and galena (PbS) generally do not produce |  | | 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) | | shipped several lots of first-class silver-lead ore during the year. (Table 4 shows mine production and...Mackay. Late in the year 40 feet of sulphide lead ore was reported cut in the Livingston vein at a vertical...silver-lead ore as well as mill ore, but the presence of considerable antimony in the ore shows that the...the valuable ore mineral is not all galena, but a mixture of galena with some antimony-lead mineral....lead-zinc-silver ore which has been made in southern Idaho during the past 30 years. After exposing this ore, mining |  | | Report (issue) | | conclusions................. Koyukuk-Chandalar region, by Arthur E. Nelson... Geology and radioactivity...Table 1. Radioactivity and mineralogy of rock and ore samples collected in the Slana-Nabesna district,...Range, 1952..... 3. Radioactivity data on rock and ore samples collected in the Chisana district..........Koyukuk-Chandalar region, Alaska............................... 11. Radioactivity of rock and ore samples from...from the Koyukuk-Chandalar region, Alaska................. ABSTRACT Reconnaissance for radioactive deposits |  | | 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 |  | 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...Mn content. Raman data for the natural Mn-rich sphalerite have not been published so far, with the largest...several types of sphalerites in the Săcărâmb Au–Ag–Te ore deposit was caused by the succession of different |  | | 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 |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | Central Sweden A. Johansson 1., and D. Rickard 2 1 Ore Research Group, Geological Institution, Stockholm...district and is consistent with exhalative-sedimentary ore formation in an active continental margin environment...their survey of the isotopic composition of Swedish ore leads. Their survey also included some vein leads...number of ore leads from that area. However, there is still a lack of precise modern data on ore lead isotopes...intercalated with these rocks and constitute the Bergslagen ore district. This district has conventionally been interpreted |  | | 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 |  | | 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 |  | Patterson, J.H., Ramsden, A.R., Dale, L.S., Fardy, J.J. (1986) Geochemistry and mineralogical residences of trace elements in oil shales from Julia Creek, Queensland, Australia. Chemical Geology, 55 (1) 1-16 doi:10.1016/0009-2541(86)90123-3 | Journal (article/letter/editorial) | | resident in the sulphide minerals -- pyrite and sphalerite. U is concentratecl in the fluorapatite of fish...mobilization, and in the leachability of waste ore and spent shale dumps. 2. Experimental 2.1. Samples The present...more significant environmental problem in waste ore dumps than other overburden materials. Depending o n...such material might go directly to the waste ore dumps. As the grade increases towards the cut-off, the...minerals identified with the SEM include orthoclase, sphalerite, chalcopyrite and galena. An estimated mineralogical |  | | Journal (article/letter/editorial) | | those of which the writer is best acquainted. New ore bodies aie each year being opened up and new crystal...schist in the ore. It has also been noted in well-developed crystals characteristic of the ore encountered...almost uniformly abundant throughout the numerous dumps on the property, accessible by county road. MINERALS...Mtn. mine, small wedge-shaped crystals occur in ore. At the Jardine Mine, located east of the town of...with other crystals of galena, rhodochrosite and sphalerite. Corundum: At the Bozeman deposit, southwest |  | | 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 |  | | 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,...©3960 —350Ma Quartz i chaleedony : gelena : sphalerite : chalcopyrit : tetra— hedrte : pyrite . native |  | | Journal (article/letter/editorial) | | representative of the central and most prospective region of the Condor deposit. Fig. 1 shows concentration...apatite, Kfeldspar, albite, biotite, zircon, sphalerite, chalcopyrite and galena. An estimated mineralogical...doubt. It is expected t h a t HC1 would dissolve sphalerite or marcasite and it is proportions of Ti and...biotite, apatite (as fish debris), iron sulphate, sphalerite, chalcopyrite, galena and zircon. The first three...environmental problems if oxidation occurs in waste ore dumps. For Condor oil shales it occurs mainly in two |  | | Book | | mentioned, challenge of the theory on the origin of the ore deposits. In revising this book the author has attempted.............. Smithsonite .................... Sphalerite........................ Svabite ...............Buckwheat Dump ...................................... Sphalerite................................................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 |  | Cook, Nigel, Ciobanu, Cristiana, Ehrig, Kathy, Slattery, Ashley, Verdugo-Ihl, Max, Courtney-Davies, Liam, Gao, Wenyuan (2017) Advances and Opportunities in Ore Mineralogy. Minerals, 7 (12) 233 doi:10.3390/min7120233 | Journal (article/letter/editorial) | | minerals Review Advances and Opportunities in Ore Mineralogy Nigel J. Cook 1, * ID , Cristiana L. Ciobanu...Published: 24 November 2017 Abstract: The study of ore minerals is rapidly transforming due to an explosion...can expose the physical and chemical character of ore minerals at ever-better spatial resolution and analytical...probe tomography; radioisotope geochronology using ore minerals; and, non-traditional stable isotopes. Many...advances are accompanied by changing approaches to ore mineralogy: the increased focus on trace element |  | Britvin, S. N., Antonov, A. A., Krivovichev, S. V., Armbruster, T., Burns, P. C., Chukanov, N. V. (2003) Fluorvesuvianute, Ca19(Al,Mg,Fe2+)13[SiO4]10[Si2O7]4O(F,OH)9, a new mineral species from Pitkaranta, Karelia, Russia: Description and crystal structure. The Canadian Mineralogist, 41 (6) 1371-1380 doi:10.2113/gscanmin.41.6.1371 | Journal (article/letter/editorial) | | Universität, Olshausenstrasse 40, D-24107 Kiel, Germany THOMAS ARMBRUSTER Laboratorium für chemische and...forms are {100} or {110}. Associated minerals are sphalerite and clinochlore. Single crystals of fluorvesuvianite...diopside–calcite skarn of the Lupikko mine, Pitkäranta ore field, Karelia, Russia. The low indices of refraction...LOCALITY AND OCCURRENCE The Pitkäranta ore field is an old mining region located on the northeastern coast...Lupikko mine of the Pitkäranta ore field (Fig. 1) was operated for magnetite ore in the 17th Century and consisted |  | Alm, E., Broman, C., Billstrom, K., Sundblad, K., Torssander, P. (2003) Fluid Characteristics and Genesis of Early Neoproterozoic Orogenic Gold-Quartz Veins in the Harnas Area, Southwestern Sweden. Economic Geology, 98 (7) 1311-1328 doi:10.2113/gsecongeo.98.7.1311 | Journal (article/letter/editorial) | | Gold-quartz veins occurring in the Mjøsa-Vänern ore district, southeast Norway and southwest Sweden,...Harnäs gold-quartz veins, in the central part of the ore district, are steeply dipping veins hosted in a local...(Grenvillian) orogeny. Fluid inclusions show that the ore-bearing vein system at Harnäs developed essentially...host shear zone. During the first two stages, the ore fluid was an aqueous H2O-CO2 fluid with a salinity...predominantly metamorphic origin for the ore fluid and suggest that important ore constituents, such as lead and |  | | 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 |
|
