 | | Journal (article/letter/editorial) | | µm-thick layer on the outermost surface of the placer gold. A prismatic face may be formed by {001} and...forms through the weathering of mercury-bearing placer gold by involvement of self-electrorefining. This...Keywords: aurihydrargyrumite; Au6 Hg5 phase; gold; placer; self-electrorefining; Ehime; Japan 1. Introduction...identification have been reported from the placer deposit from the Palakharya River, Bulgaria [3,4]. They are polymineral...also found in Pleistocene alluvial deposits along the Snake River near Blackfoot, Idaho [6]. The X-ray |  | | Journal (issue) | | Explor. Mining Geol., Vol. 5, No. 2, pp. 73-167, 1996 Copyright © 1996 Canadian Institute of Mining, Metallurgy...Platinum-group Mineral (PGM) Placer Deposits of the World LOUIS J. CABRI Canada Centre for Mineral and Energy...Street, Ottawa, Ontario, Canada, K1A 0G1 DONALD C. HARRIS* Geological Survey of Canada 601 Booth Street, Ottawa...Ottawa, Ontario, Canada, K1A0E8 THOROLF W. W EISER Federal Institute for Geosciences and Natural Resources...Crescent, Nepean, Ontario, Canada, K2G fX l Panning for platinum, Tapitangan River, Banggi Island, North |  | | Journal (article/letter/editorial) | | Depaltment ol Energy, Mines and Resources,Ottawa, Canada, KlA OGI CLIVE E. FEATHER Anglo American ResearchLaboratories...natural samples from the Tulameen and Similkameen rivers, British Columbia, from Witwatersrand gold mines 1ocated...There are also some magnetic Samplesfrom placer and primary deposits,as transformations. but none of these...solution exists beMines, whereas those from British Columbia tween Pt and Fe (shown as y in Hansen & Anand...in placers in the areas of the Tulameen and Similkameen rivers were considered by Cabri (L974), in agreement |  | Barkov, Andrei Y., Bindi, Luca, Juárez-Arellano, Erick A., Tamura, Nobumichi, Shvedov, Gennadiy I., Ma, Chi, Martin, Robert F. (2021) Unnamed Pt(Cu0.67Sn0.33) from the Bolshoy Khailyk River, Western Sayans, Russia, and a Review of Related Compounds and Solid Solutions. Minerals, 11 (11) 1240 doi:10.3390/min11111240 | Journal (article/letter/editorial) | | Unnamed Pt(Cu0.67Sn0.33) from the Bolshoy Khailyk River, Western Sayans, Russia, and a Review of Related...CA 94720-8229, USA; ntamura@lbl.gov Institute of Mining, Geology and Geotechnology, Siberian Federal University...Krasnoyarsk 660025, Russia; g.shvedov@mail.ru Division of Geological and Planetary Sciences, California...Sciences, McGill University, Montreal, QC H3A 0E8, Canada; robert.martin@mcgill.ca Correspondence: ore-minerals@mail...Unnamed Pt(Cu0.67 Sn0.33 ) from the Bolshoy Khailyk River, Western Sayans, Russia, and a Review of Related |  | | Journal (article/letter/editorial) | | PLATINUM-GROUP MINERALS FROM FIVE PLACER DEPOSITS IN BRITISH COLUMBIA, CANADA ANDREI Y. BARKOV§ AND MICHAEL...London, Ontario N6A 5B7, Canada GRAHAM T. NIXON¶ AND VICTOR M. LEVSON British Columbia Geological Survey,...9320, Stn. Prov. Govt., Victoria, British Columbia V8W 9N3, Canada ABSTRACT Platinum-group minerals...and platinum-group-element (PGE) placer deposits in British Columbia have been analyzed using the electron-microprobe...electron-microprobe (EMP). The PGM placer grains (n = 70, 0.1–1.5 mm in size) principally comprise various |  | Zaccarini, Federica, Pushkarev, Evgeny, Garuti, Giorgio, Krause, Joachim, Dvornik, Gennady . P, Stanley, Chris, Bindi, Luca (2013) Platinum-group minerals (PGM) nuggets from alluvial-eluvial placer deposits in the concentrically zoned mafic-ultramafic Uktus complex (Central Urals, Russia) European Journal of Mineralogy, 25 (4) 519-531 doi:10.1127/0935-1221/2013/0025-2296 | Journal (article/letter/editorial) | | minerals (PGM) nuggets from alluvial-eluvial placer deposits in the concentrically zoned mafic-ultramafic...2 Institute of Geology and Geochemistry, Ural Division of Russian Academy of Sciences, Str. Pochtovy...Halsbrückes Str. 34, 09599 Freiberg, Germany 4 Ural State Mining University, Str. Khokhryakova, Ekaterinburg, Russia...studied nuggets were sampled in alluvial-eluvial deposits from three small valleys, with temporary water...PGM were also recognised: sulfarsenides of the irarsite-hollingworthite-platariste series, sulfides such |  | Barkov, Andrei Y., Tolstykh, Nadezhda D., Shvedov, Gennadiy I., Martin, Robert F. (2018) Ophiolite-related associations of platinum-group minerals at Rudnaya, western Sayans and Miass, southern Urals, Russia. Mineralogical Magazine, 82 (3) 515-530 doi:10.1180/mgm.2018.82 | Journal (article/letter/editorial) | | Koptyuga, 630090 Novosibirsk, Russia 3 Institute of Mining, Geology and Geotechnology, Siberian Federal University...3450 University Street, Montreal, Quebec H3A 0E8, Canada ______________________________________________...ophiolitic source. The first is located along the River Rudnaya in the Western Sayan province, Krasnoyarskiy...Krasnoyarskiy kray, and the second pertains to the Miass placer zone, Chelyabinsk oblast, in the southern Urals...of laurite, sulfoarsenides and arsenides. Some placer grains in both suites reveal unusual phases of |  | | Journal (article/letter/editorial) | | occur as laurite (RuS2), erlichmanite (OsS2), irarsite (IrAsS) and alloys (Os–Ir–Ru and Pt–Fe). They...PGM, in the form of 0.5– 10 mm nuggets, in placer deposits related with mafic/ultramafic complexes remains...Freetown layered gabbro, Sierra Leone and many other deposits worldwide, have been a subject of debate for several...such as laurite (RuS2), erlichmanite (OsS2) and irarsite (IrAsS) have been identified as small inclusions...ranging in size from <1 mm to some mm in placers deposits (Cabri, 2002; Weiser, 2002; Melcher et al., 2005) |  | Tolstykh, N. D., Sidorov, E. G., Laajoki, K. V.O., Krivenko, A. P., Podlipskiy, M. (2000) THE ASSOCIATION OF PLATINUM-GROUP MINERALS IN PLACERS OF THE PUSTAYA RIVER, KAMCHATKA, RUSSIA. The Canadian Mineralogist, 38 (5) 1251-1264 doi:10.2113/gscanmin.38.5.1251 | Journal (article/letter/editorial) | | PLATINUM-GROUP MINERALS IN PLACERS OF THE PUSTAYA RIVER, KAMCHATKA, RUSSIA NADEZHDA D. TOLSTYKH§ United...Novosibirsk, Russia EVGENIY G. SIDOROV§ Koryak Geology Mining Company, bl. Pijpa, 9, 683006 Petropavlovsk-Kamchatskiy...platinum-group minerals (PGM) recovered from the Pustaya River placer deposit, situated within the Koryak–Kamchatka...features of the geochemistry of the PGM of this placer deposit characterize the ore-forming system in...cooperite, vysotskite, platarsite, hollingworthite, irarsite, sperrylite, keithconnite, stibiopalladinite, |  | Zhmodik, S.M., Nesterenko, G.V., Airiyants, E.V., Belyanin, D.K., Kolpakov, V.V., Podlipsky, M.Yu., Karmanov, N.S. (2016) Alluvial platinum-group minerals as indicators of primary PGE mineralization (placers of southern Siberia) Russian Geology and Geophysics, 57 (10) 1437-1464 doi:10.1016/j.rgg.2016.09.002 | Journal (article/letter/editorial) | | Abstract The platinum-group minerals (PGM) in placer deposits provide important information on the types...Shoria Introduction Gold and platinum-bearing placer deposits have been worked in South Siberia since they...1830s–1840s. Despite an extensive exploration and mining history, substantial production of gold and platinum-group...zhmodik@igm.nsc.ru (S.M. Zhmodik) primary sources of the placer PGM, based on local analysis of individual PGM...provides detailed mineralogical description of the placer PGM from southern West Siberia along with the data |  | | Journal (article/letter/editorial) | | platinum-group minerals (PGM) and gold found in the Llorente river and its tributaries draining the area west of the...common in the study area drained by the Llorente river and its tributaries in the Eastern Bicol-Eastern...detrital gold grains suggest epithermal gold vein deposits or gold-bearing porphyry copper mineralization...hydrothermal mineralization, different from the gold lode deposits, in mafic/ ultramafic rocks of the ophiolite belt...Keywords: Philippines, Samar island, ophiolite, placer, Pt-Fe alloy, Os-Ir-Ru alloy, laurite–erlichmanite |  | | Book | | Platinum Group Minerals (PGM) Inclusions in Chromite Deposits of the Urals Reprinted from: Minerals 2018, 8...Source of Platinum-Group Minerals in the Sisim Placer Zone, Eastern Sayans, Russia Reprinted from: Minerals...V. Kiseleva Platinum-Group Minerals of Pt-Placer Deposits Associated with the Svetloborsky Ural-Alaskan...Elements and Gold in the Ophiolite-Related Placer of the River Bolshoy Khailyk, Western Sayans, Russia Reprinted... a New Mineral from the Talnakh and Oktyabrsk Deposits, Noril’sk Region, Russia Reprinted from: Minerals |  | | Report (issue) | | Plastannite Pt-hollingworthite Rh,lr-platarssulite Ru,Rh-irarsite Trinicdibisulite Tripalstibite Braggite Niggliite...is described from Hemlo gold deposit, Ontario, Canada (Pan and Fleet, 1991 ). Another recently documented...recorded from the Two Duck Lake intrusion, Ontario, Canada (Watkinson and Ohnenstetter, 1992). Allanite-(La)...Barbertonite was initially described from asbestos deposits in Archean serpentinites (Onverwacht Group, Barberton...recorded with stichtite at Nevada Creek, Dundas mining district, Tasmania, Australia (in Lancaster,1977) |  | | Journal (article/letter/editorial) | | geversite (PtSb2), 15% hollingworthite (RhAsS) and irarsite (IrAsS) and 50/o of other platinum group minerals...Os)2As4 does not exist, the mineral in question is irarsite, frequently associated with hollingworthite. PdsCuSba...group minerals has been discovered in various deposits. The significance of platinum mineralogy for the...PtAs2 and Geversite, PtSb2 } 30 Hollingworthite-irarsite group, RhAsS-IrAsS 15 Stibiopalladinite PdsSb2...a/. (1973) in their investigations of Tulameen River, B.C., platinum. However, measurements performed |  | Tolstykh, N. D., Foley, J. Y., Sidorov, E. G., Laajoki, K. V.O. (2002) COMPOSITION OF THE PLATINUM-GROUP MINERALS IN THE SALMON RIVER PLACER DEPOSIT, GOODNEWS BAY, ALASKA. The Canadian Mineralogist, 40 (2) 463-471 doi:10.2113/gscanmin.40.2.463 | Journal (article/letter/editorial) | | OF THE PLATINUM-GROUP MINERALS IN THE SALMON RIVER PLACER DEPOSIT, GOODNEWS BAY, ALASKA NADEZHDA D. TOLSTYKH§...associations of platinum-group minerals from the Salmon River placers, Goodnews Bay, Alaska, are compared with...composition of PGE-sulfarsenides corresponds to irarsite, with accessory platarsite and osarsite components:...substantial Pt exists, and excess S is present in irarsite with a high Os content. Solid solution along the...Pt-bearing placers in Colombia, Ecuador, western Canada, Alaska, and Russia (e.g., Kemp 1902, Mertie 1919 |  | | Journal (article/letter/editorial) | | (2004) PLATINUM-GROUP MINERALS IN LODE AND PLACER DEPOSITS ASSOCIATED WITH THE URAL-ALASKAN-TYPE GAL’MOENAN...683006, Russia ANDREY P. KOZLOV§ Koryak Geology Mining Company, Lugovaja, 18, Korf, Koryak AO, 684810...placers, namely those along the Levtyrinyvayam River and Ledyanoy and Penistiy creeks at different distances...the source. The grains of Pt–Fe alloy in lode deposits are isoferroplatinum and have Pt3Fe compositions...compositions, whereas those in the Levtyrinyvayam River placer range in composition from native to ferroan platinum |  | | Report (issue) | | INSTITUTE OF MINING, METALLURGY AND PETROLEUM COPYRIGHT © 2002 CANADIAN INSTITUTE OF MINING, METALLURGY...de Maisonneuve Boulevard West Montréal, Québec, Canada H3Z 3B8 ISBN 1-894475-27-5 Papers in this volume...Institute of Mining, Metallurgy and Petroleum, Special Volume 54, p. 483-506. PRINTED IN CANADA by Marc Veilleux...price rise led to a frenzy of exploration for PGE deposits all over the world, especially for Pd-rich mineralization...in countries like the Republic of South Africa, Canada, and Finland. Over the last five or so years, colleagues |  | | Journal (article/letter/editorial) | | studies of PGM grains in alluvial-fluvial placer deposits from the Bayerischer Wald, SE Germany: hollingworthite...Bavaria, Germany, alluvial-fluvial Au-PGE placer deposits containing native gold, gold amalgam, gold-silver-copper...(argentocuproaurite), iridium-rhodium-arsenic sulfide (irarsite-hollingworthite s.s.s.), sperrylite, platinum-iron-...of the placer deposits in the Bayerischer Wald. The morphology of cubic crystals of irarsite-hollingworthite...alluvialfluvial placer, whereas the Pt-bearing alloys underwent slight reworking on transport. The PGE placer mineralization |  | Makvandi, Sheida, Pagé, Philippe, Tremblay, Jonathan, Girard, Réjean (2021) Exploration for Platinum-Group Minerals in Till: A New Approach to the Recovery, Counting, Mineral Identification and Chemical Characterization. Minerals, 11 (3) 264 doi:10.3390/min11030264 | Journal (article/letter/editorial) | | 1319 Boulevard Saint-Paul, Chicoutimi, QC G7J 3Y2, Canada; philippep@iosgeo.com (P.P.); jtremblay@iosgeo...March 2021 Abstract: The discovery of new mineral deposits contributes to the sustainable mineral industrial...exploration for new mineral resources is challenging in Canada since its vast lands are mostly covered by a thick...used to prospect for a broad range of mineral deposits including diamond, gold, and base metals. However...methods are needed, particularly for targeting ore deposits buried under glacial sediment and areas of transported |  | | Journal (article/letter/editorial) | | Pt–Fe nuggets from economically important placer deposits closely linked to clinopyroxenite–dunite massifs...monosulfide], PGE sulfarsenides (hollingworthite, irarsite), Pt–Pd tellurides (moncheite, telluropalladinite)...alloys, chromitite, clinopyroxenite–dunite massif, placer, Urals, Siberian Craton, Russia. SOMMAIRE Nous...pépites de Pt–Fe provenant de gisements de type placer d’intérêt économique, étroitement liés aux massifs...sans nom], les sulfarséniures hollingworthite et irarsite, des tellurures de Pt–Pd (monchéite, telluropalladinite) |  | Kojonen, K. K., McDonald, A. M., Stanley, C. J., Johanson, B. (2011) Törnroosite, Pd11As2Te2, a new mineral species related to isomertieite from Miessijoki, Finnish Lapland, Finland. The Canadian Mineralogist, 49 (6) 1643-1651 doi:10.3749/canmin.49.6.1643 | Journal (article/letter/editorial) | | 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada Chris J. STANLEY Natural History Museum, Cromwell...a heavy-mineral concentrate from the Miessijoki River, Lemmenjoki area, Inari Commune, Finnish Lapland...alloy, cooperite, braggite, native Os–Ir–Ru alloy, irarsite, laurite, isomertieite, mertieite II, native Pt...electron-microprobe data, reflectance, hardness, Miessijoki River, Lemmenjoki area, Finland. Sommaire La törnroosite...Pt–Fe, cooperite, braggite, alliage Os–Ir–Ru, irarsite, laurite, isomertieïte, mertieïte II, Pt natif |  | | Report (volume) | | ores-Alaska-Goodnews Bay Region (Bay). 3. Placer deposits-Alaska-Goodnews Bay Region (Bay). 4. Magne...(PGE) occur in ferromagnetic concentrates from placer deposits in the Goodnews Bay district, Alaska, and analyses...(1966), through geochemical means, of economic deposits of disseminated micrometer-sized gold at Cortez...magnetite would readily accumulate in alluvial deposits with other heavy minerals. Even in rocks where...and through the cooperation of the Goodnews Bay Mining Company, Mertie sent to the writers two suites |  | | Journal (article/letter/editorial) | | regarding allogenic versus authigenic origin of placer PGM. In the pristine sulfide ores, the PGE are...Bushveld/Great Dyke scenario, and in all Complex, USA). Placer deposits in Russia and in Colombia were the world’s...Complex in South Africa, of the Sudbury district in Canada, and later Norilsk in Russia grand style is missing...Africa, led to the discovery of the largest PGE deposits on Earth in the Keywords: Bushveld Complex; South...[5–8]. Today, South Africa the dominant country in mining and supplying primary ores; oxide ores; placers; |  | Airiyants, Evgenia V., Kiseleva, Olga N., Zhmodik, Sergey M., Belyanin, Dmitriy K., Ochirov, Yuriy C. (2021) Platinum-Group Minerals in the Placer of the Kitoy River, East Sayan, Russia. Minerals, 12 (1) 21 doi:10.3390/min12010021 | Journal (article/letter/editorial) | | Article Platinum-Group Minerals in the Placer of the Kitoy River, East Sayan, Russia Evgenia V. Airiyants... Y.C. Platinum-Group Minerals in the Placer of the Kitoy River, East Sayan, Russia. Minerals 2022, 12...Abstract: The platinum-group minerals (PGM) in placer deposits provide important information on the types...of a study of placer platinum mineralization found in the upper reaches of the Kitoy River (the southeastern...possible to identify the root sources of PGM in the placer and to make assumptions about the stages of transformation |  | | Journal (article/letter/editorial) | | Oulu, Finland ALEXANDER D. DODATKO, National Mining University of Ukraine, 19 Karl Marx Avenue, Dnepropetrovsk...ALEXANDER G. MOCHALOV Institute for Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of Russian...rocks. They form the primary source of PGM. The PGM placer nuggets vary considerably in size (0.1–9 mm), shape...degree of abrasion, indicating a long history of placer-forming processes. Some of the nuggets are covered...platinum-group mineralization in ultramafic rocks and placer PGM nuggets is quite clear (Nixon et al., 1990; |
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