 | | Journal (article/letter/editorial) | | Proterozoic iron and sulphide ores in northern Sweden R. Frietsch ~, K. Billstr6m 2, J.A. PerdahP 1Division...Lule~t University of Technology, S-971 87 Lule~t, Sweden 2 Laboratory for Isotope Geology, Swedish Museum...Museum of Natural History, S-104 05 Stockholm, Sweden Received: 5 November 1993/Accepted: 20 June 1994 Abstract...Proterozoic iron and sulphide mineralizations in northern Sweden. The contrastmg sulphur isotope patterns are indicative...Some 267 sulphur isotope analyses of pyrite, pyrrhotite, chalcopyrite, sphalerite, galena and bornite |  | | Report (issue) | | (1943) N:o 1. GEOLOGY OF THE COPPER DEPOSIT AT LAVER, N. SWEDEN BY OLOF H. ÖDMAN WITH 2 PLATES Pris 1 krona...(1943) N:o 1. GEOLOGY OF THE COPPER DEPOSIT AT LAVER, N. SWEDEN BY OLOF H. ÖDMAN WITH 2 PLATES STOCKHOLM...successor as a mining geologist at Laver, has continued the mapping of the mine. Thus the larger part of the...this paper. Mr. B. Israelsson, Superintendent at Laver when I was working there, always displayed great...great interest in the geological problems in the mine. With great geological knowing he did most of the reconstruction |  | | Journal (article/letter/editorial) | | SULPHIDE MINERALIZATION NORTHERN SWEDEN, REGIONAL IN THE SKELLEFTE AND ITS RELATION DISTRICT, TO GRANITIZATION...geologyand ores of the Skellefte District in Northern Sweden are describedand the relationsto regional Svecofenniangeologyare...considered. 814 SULPHIDE MINER•ILIZ•ITION IN NORTHERN SWEDEN REVIEW OF GEOLOGY AND ORE OF DEPOSITS OF...Algonkian(Sub- SULPHIDE MINERALIZ•1TION IN NORTHERN SWEDEN 817 The presentationin Figure 1 is only intendedto...been included. In the Pre-Caledonian areas of Sweden three main ore dis- tricts can be discerned:the |  | | Journal (article/letter/editorial) | | Economic Geology, Lulel University, S-951 87 LuleB,Sweden (Received April 1, 1992; accepted in revised form...predominantly involved addition of magmatic rocks. In Sweden, U-Pb zircon dating yields ages mainly ranging...at ca I .80- 1.77 ( SKIOLD, 1988). In northern Sweden, 1.90-I .85 Ga old granitoids have distinctly negative...Svecofennian granitoids farther south (central Sweden and southern Finland) have positive or close to...Gram& Belt continentalg&en fanration in Nathem Sweden @eemtone belts and dike intrusions) late Archwan |  | | Journal (article/letter/editorial) | | and water contamination in surrounding areas. In mine wastes, molybdenum is liberated from sulfide mineral...Mo-metabolising bacteria have been isolated from mine wastes. However, laboratory and in-situ experiments...may be involved in the cycling of Mo in and from mine wastes, with good potential for bioremediation....remediation actions. Keywords: molybdenum; mining; mine waste; tailings; molybdenite; molybdate; powellite...porphyry and other types of Cu-bearing ores [1]. Global mine production of Mo is on the order of just over 200 |  | | Report (issue) | | orthoclase phenocrj'st by chalcopyrite 9 6. Late pyrrhotite 7. Reaction rims in olivine gabbro 8. Crustification...simultaneity, overlap, cessive deposition suc- 62 Bote mine, Zacatecas, Mexico 26. Composite paragenetic diagram...sihcates are unaltered, and the metallic minerals ^pyrrhotite, chalcopyrite, and magnetite — fill the interspaces...during crystallization. (1921) from the Akaishi mine in Japan In this ore layers of chromite alternate...Kiruna, Sweden. Figure 2. Orbicular chromite Tracing from a polished slab. Octopus mine, Siskiyou |  | | Conference Proceedings (Volume) | | Biennial SGA Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world...Biennial SGA Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world...Meeting was organised by the Geological Survey of Sweden with assistance from Uppsala University, Stockholm...Biennial SGA Meeting, 12–15 August 2013, Uppsala, Sweden. ISBN 978-91-7403-207-9. 1882 pp. Suggested citation...Biennial SGA Meeting, 12–15 August 2013, Uppsala, Sweden, ISBN 978-91-7403-207-9, 1450–1452. This publication |  | | Journal (article/letter/editorial) | | Early Proterozoic Skellefte district, northern Sweden P. Weihed a, J. Bergmanb and U. Bergstrrm a aDepartrnent...Gothenburg/Chalmers University of Technology, S-412 96 Grteborg, Sweden bDepartment of Mineralogy and Petrology, GeologicalInstitute...Uppsala University, Box 555, S- 751 22 Uppsala, Sweden (Received January 6, 1991; accepted after revision...Early Proterozoic Skellefte district, northern Sweden. In: G. Gaul and K. Schulz (Editors), Precambrian...Weihed, Geological Survey of Sweden, Box 670, S-751 28 Uppsala, Sweden. 0301-9268/92/$05.00 mal gold |  | Karlsson, Teemu, Räisänen, Marja Liisa, Myöhänen, Timo, Alakangas, Lena, Lehtonen, Marja, Kauppila, Päivi (2021) Hydrogen Peroxide Ammonium Citrate Extraction: Mineral Decomposition and Preliminary Waste Rock Characterization. Minerals, 11 (7) 706 doi:10.3390/min11070706 | Journal (article/letter/editorial) | | Engineering, Luleå University of Technology, 97187 Luleå, Sweden; lena.alakangas@ltu.se Industrial Environments...mobility. Samples collected from several different mine sites in Finland were utilized. The waste rock sample...efficiently in HA extraction. However, the Fe-sulfides pyrrhotite and pyrite only decomposed incompletely. The...element mobilities from waste rock material. Keywords: mine waste characterization; ARD; NRD; aqua regia extraction;...to be the main environmental concerns related to mine waste management [2–6]. Sulfide minerals are prone |  | | Journal (article/letter/editorial) | | of Precambrian Sulfide Ores, Skellefte District, Sweden DAVID T. RICKARD AND HANS ZWEIFEL Abstract Some...sedimentary rocks in the Skellefte district of northern Sweden. These depositshave been considered previouslyto...other areas of northern Swedenthis orogenic central Sweden. The general geologyof the district is shown in...Adak cupola, to the northwest of the area, and the Laver deposit, to the North of the Skellefte field, are...distribution (Stanpyrite, sphalerite, galena, pyrrhotite, and arseno- and ton, 1972). pyrite. Antimony |  | | Journal (article/letter/editorial) | | Luleå University of Technology, SE-971 87 Luleå, Sweden; E-Mail: lena.alakangas@ltu.se International Network...problem at mine sites. Therefore, integrating an ARD management plan into the actual mine operations...early phases of exploration, continuing through the mine life until final closure might be successful and...a mining operation sustainably is to engage the mine stakeholders (regulators, community and government...problems are common at mine sites. However, these effects occur only as long as a mine is active. The major |  | Gunsinger, M.R., Ptacek, C.J., Blowes, D.W., Jambor, J.L., Moncur, M.C. (2006) Mechanisms controlling acid neutralization and metal mobility within a Ni-rich tailings impoundment. Applied Geochemistry, 21 (8) 1301-1321 doi:10.1016/j.apgeochem.2006.06.006 | Journal (article/letter/editorial) | | changing chemical conditions is discussed. 2. Lynn Lake mine site The town of Lynn Lake is approximately 1100...Lynn Lake mine occurred as massive and disseminated deposits that consisted of pyrrhotite [Fe(1x)S]...consist of, in relative decreasing abundance, pyrrhotite, chalcopyrite, pentlandite, and pyrite. Unaltered...precipitates in river sediments impacted by acid mine drainage have identified the sink for dissolved Al...Field investigations by Moncur et al. (2005) at a mine site in Sherridon, Manitoba, Canada, showed that |  | Quispe, Dino, Pérez-López, Rafael, Acero, Patricia, Ayora, Carlos, Nieto, José Miguel (2013) The role of mineralogy on element mobility in two sulfide mine tailings from the Iberian Pyrite Belt (SW Spain) Chemical Geology, 345. 119-129 doi:10.1016/j.chemgeo.2013.03.002 | Journal (article/letter/editorial) | | of mineralogy on element mobility in two sulfide mine tailings from the Iberian Pyrite Belt (SW Spain)...Acid mine drainage Geochemistry Mineralogy a b s t r a c t A detailed study of two adjacent mine tailings...Elsevier B.V. All rights reserved. 1. Introduction Mine tailings are typically composed of fine-sand to silt-size...When the fine-grained sulfides, mainly pyrite or pyrrhotite, present in these tailings are exposed to atmospheric...highly acidic and concentrated waters, known as acid mine drainage (AMD), from the impoundment into adjacent |  | | Journal (article/letter/editorial) | | Karl Fisher tltrations for hydrogen in the reacted laver. The surface chemistry of feldspar reacted with...pyrrohotite and dissolved copper is fast. The pyrrhotite reaction proceeds through a series of unstable...between cubanite or chalcopyrite and unreacted pyrrhotite. The total copper-iron-sulfide layer thickness |  | | Journal (article/letter/editorial) | | Karl Fisher tltrations for hydrogen in the reacted laver. The surface chemistry of feldspar reacted with...pyrrohotite and dissolved copper is fast. The pyrrhotite reaction proceeds through a series of unstable...between cubanite or chalcopyrite and unreacted pyrrhotite. The total copper-iron-sulfide layer thickness |  | | Journal (article/letter/editorial) | | Karl Fisher tltrations for hydrogen in the reacted laver. The surface chemistry of feldspar reacted with...pyrrohotite and dissolved copper is fast. The pyrrhotite reaction proceeds through a series of unstable...between cubanite or chalcopyrite and unreacted pyrrhotite. The total copper-iron-sulfide layer thickness |  | | Journal (article/letter/editorial) | | Karl Fisher tltrations for hydrogen in the reacted laver. The surface chemistry of feldspar reacted with...pyrrohotite and dissolved copper is fast. The pyrrhotite reaction proceeds through a series of unstable...between cubanite or chalcopyrite and unreacted pyrrhotite. The total copper-iron-sulfide layer thickness |  | | Journal (article/letter/editorial) | | River Canyon, isotropic sound velocities usFremont County, Colorado. 3. 1001 ing refractiveindex data. ....hexagonal and monoclinic pyrrhotite and the measurement of the metal content of pyrrhotite by r-ray diffraction... I. The manganese bearing minerals of Charnpion Mine, Champiorr, Mich1560 . igan (abs.). . Babefphite...properties of calcic labradorite from Lake 177 County, Oregon 533 "tarrDankslte (lvlorgall ). Fang, J...hydrous sodium and magnesium vanadate from Huemul mine' Mendoza Province, Argen1 tina. . Gorzhevskaya,S |  | | Journal (article/letter/editorial) | | particular when the ore tonnage (1.2 Gt) at Gol-e-Gohar mine is almost 6-12 times greater than the tonnage (5-200...Fatehi and Ahmadipour, 2018). The ore at Gol-e-Gohar mine displays massive magnetite macrobandings with more...drape the underlying rockore matrix at Gol-e-Gohar mine (Babaki, 2004, p. 108, 142, 181). Nonetheless, glaciogenic...highly appreciate the cooperation of the Gol-e-Gohar mine geologists, in particular Dr. M. Mohammadi for field...drill core sampling at anomaly#3 of the Gol-e-Gohar mine. Insightful comments and constructive suggestions |  | | Journal (article/letter/editorial) | | 804 Chrysocolla, the nature of, from Inspiration Mine, Arizona (Sun) .. 649 Cipriani,C. and Vannuccini...of carminite area, Snake Range, White I The Pine County, Nevada. . . composition and 189 space group of...with Groves, D. I' Note on the measurement of pyrrhotite comPosition in the presence of both hexagonal...rneasurementof Zone" complex,Israel. . .... 924 pyrrhotite compositionin the Heller, R. L. (ed.) Geology...zincite in basic hvdrothermal solvents 1033 33 Laver-lattice -, --, 642 silicates, the cell di- |  | | Journal (article/letter/editorial) | | can be identified as those of pseudohexagonal pyrrhotite, although predominant peaks in the diffraction...and veinlets of anisotropic pyrrhotite. Such an occurrence of pyrrhotite seems to indicate secondary...magnetite magnetite magnetite magnetite magnetite pyrrhotite pyrite magnetite pyrite magnetite cubic /.cubic...solutions and solid iron oxides even in tire surface laver of sediments. Studies of pollen, spores and diatoms |  | | Report (issue) | | Pegmatite& in the stream bed of Toonlgh Creek, Cherokee County. THE GEOCHEMISTRY AND ORIGIN OF PEGMATITES CHEROKEE-PICKENS................................. . 41 The Cochran Mine ........................ . ........................................................ .47 The Cagle Mine .................................................... . . ... .................... 50 The Amphlett Mine ....... . .............................................................. . ...... 50 The Wacaster Mine ... .. .. . . .. ...... . ................. ... |  | | Report (volume) | | Mt. Isa, Queensland; Bor, Yugoslavia; Boliden, Sweden; Flin Flon, Manitoba; Sudbury, Ontario; and Ducktown...found. The copper-silver-lead veins of Skrikerum, Sweden; Harz Mountains, Germany; Copiapo, Chile; and Colquechaca...San Francisco district, Utah; and the Liberty Bell mine, Telluride district, Colo., all contain small amounts...Buckskin Peak, Nev.; the Abbott mine, Calif.; the Lucky Boy mine, Piute County, Utah; and at Guadalcazar,...quicksilver mine the ore consisted almost entirely of tiemannite, and at the De Lamar mine, Silver City |  | | Report (issue) | | Ore Deposits of the St. Lawrence County Magnetite District Northwest Adirondacks New York GEOLOGICAL...PROFESSIONAL PAPER 377 Ore Deposits of the St. Lawrence County Magnetite District Northwest Adirondacks New York...____________________________ Rocks of the St. Lawrence County magnetite district. Metasedimentary rocks and migmatites____..._____________----_ Pyrite and marcasite__-_----__-----Pyrrhotite.-_---__---------_------Sphalerite ____-___-_...volume] PLATE 1. Geologic map of St. Lawrence County magnetite district, New York. 2. Bedrock geologic |  | | Journal (article/letter/editorial) | | analysis of secondary minerals formed in tungsten-mine tailings with an emphasis on arsenopyrite oxidation...arsenopyrite [FeAsS] collected from the oxidation zone in W-mine tailings were investigated, primarily using transmission...reserved. 1. Introduction The Mount Pleasant W mine is approximately 60 km south of Fredericton, New...M. Petrunic). ada (Fig. 1). During the time of mine operation (1983–1985) the metal of economic interest...1259–1273 Fig. 1. Site map of the Mount Pleasant mine and the outline of the tailings deposit. The network |
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