 | | Journal (article/letter/editorial) | | RUTILE AND TITANIAN RuO2 IN ISOFERROPLATINUM NUGGETS FROM FINNISH LAPLAND Pekka TUISKUĀ§ Department of...University of Oulu, FINā90014 University of Oulu, Finland Abstract Rutile, ruthenian rutile and titanian...ruthenium dioxide inclusions were found in isoferroplatinum nuggets obtained as by-products of gold sluicing...sluicing in the historical gold-rush area of Finnish Lapland. Analytical data suggest that an extensive solid-solution...sites could represent source rocks of the isoferroplatinum nuggets. After the Cenozoic weathering event |  | | Journal (article/letter/editorial) | | alloys in nuggets from alluvial deposits in Finnish Lapland RAGNAR TC)RNROOS t and YRJC) VUORELAINEN 2 ~Geological...Stenkarlsviigen 1, SF-02150 Esbo (Finland) 2Matinkatu 28. SF-02230 Espoo (Finland) LITHOS T6rnroos, R. and...alloys in nuggets from alluvial deposits in Finnish Lapland. Lithos, 20: 491-500. 0 Alluvial nuggets of PGE...more and about 1000 idiomorphic crystals of isoferroplatinum were collected from the fraction. To date...idcntified in placer concentrates from Finnish Lapland ( 1) (2) (3) (4) (5) (6) (7) (8) (9) 10) 11 ) 12) |  | Kojonen, K. K., Tarkian, M., Roberts, A. C., Tƶrnroos, R., Heidrich, S. (2007) Miessiite, Pd11Te2Se2, a new mineral species from Miessijoki, Finnish Lapland, Finland. The Canadian Mineralogist, 45 (5) 1221-1227 doi:10.2113/gscanmin.45.5.1221 | Journal (article/letter/editorial) | | MIESSIJOKI, FINNISH LAPLAND, FINLAND Kari K. KOJONENĀ§ Geological Survey of Finland, P.O. Box 96, Espoo...Espoo FINā02150, Finland Mahmud TARKIAN Insitute of Mineralogy and Petrology, University of Hamburg, Dā20146...64, University of Helsinki, FINā00014 Helsinki, Finland Stefanie HEIDRICH Institute of Mineralogy and...river, Lemmenjoki area, Inari Commune, Finnish Lapland, Finland. Associated PGM and other heavy minerals include...thorianite, pyrite, magnetite, chromite, and isoferroplatinum with inclusions of laurite and OsāIrāRu alloy |  | | Report (issue) | | Miessijoki river, Lemmenjoki area, Inari Commune, Finland. 2.197 (100), 2.395 (80), 1.271 (30), 1.875 (25)...Miessijoki river, Lemmenjoki area, Inari Commune, Finland; average electron microprobe analysis; corresponds... thorianite, pyrite, magnetite, chromite, isoferroplatinum, laurite, Os-Ir-Ru alloy. Distribution: From...river, Lemmenjoki area, Inari Commune, Finnish Lapland, Finland. Name: After the locality, the Miessijoki...History, Geological Museum, University of Helsinki, Finland (D3004). References: (1) Kojonen, K.K., M. Tarkian |  | Barkov, A. Y., Martin, R. F., Fleet, M. E., Nixon, G. T., Levson, V. M. (2008) New data on associations of platinum-group minerals in placer deposits of British Columbia, Canada. Mineralogy and Petrology, 92 (1) 9-29 doi:10.1007/s00710-007-0192-6 | Journal (article/letter/editorial) | | [PGE:(Fe Ć¾ Cu Ć¾ Ni) Ā¼ 3.6ā7.6], Pt3Fe-type alloy (isoferroplatinum or Fe-rich platinum), subordinate āāPt2Feāā-type...A euhedral grain of Pt-Fe alloy āāPt-Feāā, isoferroplatinum or Fe-rich platinum: Pt71.5Fe18.9Cu5.7Pd2...3Ru7.0Rh1.6Pt1.1Fe0.6, partially mantled by isoferroplatinum or Fe-rich platinum āāPt-Feāā [Pt69.2Fe22...VLE-2001-44. The grain at left (āāPt-Feāā) is isoferroplatinum or Fe-rich platinum [Pt73.5Fe21.0Cu2.3Rh1...magnetite and bornite in a placer grain of isoferroplatinum or Fe-rich platinum [Pt73.1Fe20.8Cu3.1Rh2 |  | Naldrett, A J, Brownscombe, W, Herrington, R, Wilkinson, J, Berry, A, Coppard, J, Klatt, S, Kekana, S, Grobler, D, Phipps, M, Dunnett, T, Hadebe, D, Nielsen, S, Broughton, D, Kojonen., K K, Montjoie, R, van Rooyen, N, Reichhardt, F, Nex, P A M, Holwell, D A, Boyce, A J, Jones, A, Holwell, D A, Jones, R E, McDonald, I, Prichard, H M, Yudovskaya, M, Kinnaird, J A, Sobolev, A, Kuzmin, D, Wilson, A (2011) Abstracts. Applied Earth Science, 120 (4) 198-210 doi:10.1179/1743275812y.0000000015 | Journal (article/letter/editorial) | | The Sakatti magmatic NiāCuāPGE deposit, northern Finland W. Brownscombe1,2, R. Herrington1, J. Wilkinson2...Exploration BV, JaĢaĢmerentie (PL38), SodankylaĢ 99601, Finland The Sakatti deposit is a significant new NiāCuāPGE...American, 2011). The deposit is located in Lapland, northern Finland, and is close to the low-grade CuāNiāPGE...ultramafic cumulate that sits within the Central Lapland Greenstone Belt (CLGB). The CLGB stratigraphy consists...SodankylaĢ region, Finland. The 8th Fennoscandian Exploration and Mining Conference, Levi, Finland, November, |  | McDonald, Andrew M., Cabri, Louis J., Stanley, Chris J., Good, David J., Redpath, Jason, Lane, Geoff, Spratt, John, Ames, Doreen E. (2015) Coldwellite, Pd3Ag2S, A New Mineral Species From the Marathon Deposit, Coldwell Complex, Ontario, Canada. The Canadian Mineralogist, 53 (5) 845-857 doi:10.3749/canmin.1500020 | Journal (article/letter/editorial) | | sample include Au-Ag alloy, hollingworthite, isoferroplatinum, keithconnite, kotulskite, mertieite-II, michenerite...characterization from the Penikat layered complex, Finland, and the recently reported discovery by Subbotin...(2011) from the Miessijoki River, Finnish Lapland, Finland. Also of interest is Pd2Ge, a potentially...These include Au-Ag alloy, hollingworthite, isoferroplatinum, keithconnite, kotulskite, mertieite-II, michenerite...Coldwellite āElectrumā Froodite Gold Hollingworthite Isoferroplatinum Keithconnite Kotulskite Laflammeite Menshikovite |  | | Journal (article/letter/editorial) | | Russia Geological Survey of Finland, P.O. Box 95, Espoo FIN 02151, Finland [Received 24 January 2017;...the Kaarreoja River, Inari commune, Finnish Lapland, Finland, was refined to R1 = 0.0222 (I) and 0.0228...received from Dr. Kari Kojonen, Geological Survey of Finland. They were collected from the black sands of gold...the Kaarreoja River, Inari commune, Finnish Lapland, Finland (68,65Ā°N, 25,63Ā°E). The most probable source...sands in the placer deposit are: sperrylite, isoferroplatinum, native platinum, Pt-oxide, braggite, cooperite |  | Zaccarini, F., Bindi, L., Garuti, G., Proenza, J. A. (2014) RUTHENIUM AND MAGNETITE INTERGROWTHS FROM THE LOMA PEGUERA CHROMITITE, DOMINICAN REPUBLIC, AND RELEVANCE TO THE DEBATE OVER THE EXISTENCE OF PLATINUM-GROUP ELEMENT OXIDES AND HYDROXIDES. The Canadian Mineralogist, 52 (4) 617-624 doi:10.3749/canmin.1400030 | Journal (article/letter/editorial) | | composed of a 10:90 mixture of ferrihydrite and isoferroplatinum. To help resolve the concerns related to these...grains were a mixture of ferrihydrite and isoferroplatinum. ACKNOWLEDGMENTS The research was supported...BMSfree deposit in the Penikat layered complex, Finland. Canadian Mineralogist 37, 1507ā1524. BARKOV, A...rutile and titanian RuO2 in isoferroplatinum nuggets from Finnish Lapland. Canadian Mineralogist 50, 511ā521 |  | Fedortchouk, Y., LeBarge, W., Barkov, A. Y., Fedele, L., Bodnar, R. J., Martin, R. F. (2010) Platinum-group minerals from a placer deposit in Burwash Creek, Kluane area, Yukon Territory, Canada. The Canadian Mineralogist, 48 (3) 583-596 doi:10.3749/canmin.48.3.583 | Journal (article/letter/editorial) | | miassite (Rh,Pt,Pd)17S15, cooperite PtS, isoferroplatinum Pt3Fe (or Fe-rich platinum), vasilite (Pd...Pt3Fe, corresponding to the stoichiometry of isoferroplatinum, and a PtāFe alloy richer in Pt (Fig. 3)....et al. 1960). 589 Isoferroplatinum, Pt3Fe (or Fe-rich platinum) Isoferroplatinum, ideally Pt3Fe, has...Pt3Fe-type alloy, which has the stoichiometry of isoferroplatinum (anal. 12, Table 3); no XRD data could be...represent Fe-rich platinum, not necessarily isoferroplatinum. The prefix āferroanā (and āferroan platinumā) |  | | Journal (article/letter/editorial) | | Kuolayarvinskaya (K); (3) Paleoproterozoic granulitic belts; Lapland (L), Kandalaksha-Kolvitsky (KK). (b) Scheme of...(Š°) Stillwater SJ Reef of Penikat intrusion, Finland 1000 Rock/primitive mantle Merensky Reef 100...(Grokhovskaya et al. 2000), SJ reef of Penikat intrustion, Finland (Alapieti and Lahtinen, 2002), and typical deposits...(Cu,Pt,Pd,Fe,Ni)9S8 ++ Parkerite Ni3Bi2S2 Isoferroplatinum Pt3Fe ā¢ ā¢ ā¢ + Ferronickelplatinum Pt2FeNi...intergrowth of Pt and Pd sulfide, braggite, and isoferroplatinum was encountered. The chemical composition |  | Barkov, Andrei, Shvedov, Gennadiy, Silyanov, Sergey, Martin, Robert (2018) Mineralogy of Platinum-Group Elements and Gold in the Ophiolite-Related Placer of the River Bolshoy Khailyk, Western Sayans, Russia. Minerals, 8 (6) 247 doi:10.3390/min8060247 | Journal (article/letter/editorial) | | alloy with a Pt3 Fe-type stoichiometry (i.e., isoferroplatinum or ferroan Minerals 8, x FOR PEER REVIEW 4...alloy with a Pt3Fe-type stoichiometry (i.e., isoferroplatinum or ferroan platinum) Minerals 2018,name, 8...aimplication Pt3Fe-type stoichiometry (i.e., isoferroplatinum or PtāFe ferroan platinum) anhedral. Nevertheless...6Pd2.2]. (c) BSE image of inclusion of by an isoferroplatinum-type alloy of PtāFe: [Pt Ru-dominant alloy...Ru-dominant alloy, labeled has the composition by an isoferroplatinum-type alloy ofwhich PtāFe: [Pt Fe24.8 Rh6.0[Ru |  | Barkov, Andrei, Tamura, Nobumichi, Shvedov, Gennadiy, Stan, Camelia, Ma, Chi, Winkler, Bjƶrn, Martin, Robert (2019) Platiniferous Tetra-Auricupride: A Case Study from the Bolshoy Khailyk Placer Deposit, Western Sayans, Russia. Minerals, 9 (3) 160 doi:10.3390/min9030160 | Journal (article/letter/editorial) | | various alluvial deposits in the Sotajoki* area, Finland [22]; Durance, France [23,24];complex in placers...Zolotaya* western Sayans Olkhovaya-1, Sotajoki* area, Finland [22]; Durance, France [23,24]; in placers of the...the Kurtushibinskiy 1). (Pt,Ir)(Ni,Fe,Cu)3 ā Isoferroplatinum-type of PtāFe subordinate. Alloysbelt of (Figure...bowieite (Cu-rich), a themonosulfide-type phase Isoferroplatinum-type alloys of PtāFe are subordinate. Alloys...complex, BC, Canada [5]; SOT is the Sotajoki area in Finland [22]; ZOL is the Zolotaya River placer, western |  | Fonseca, RaĆŗl O.C., BrĆ¼ckel, Karoline, Bragagni, Alessandro, Leitzke, Felipe P., Speelmanns, Iris M., Wainwright, Ashlea N. (2017) Fractionation of rhenium from osmium during noble metal alloy formation in association with sulfides: Implications for the interpretation of model ages in alloy-bearing magmatic rocks. Geochimica et Cosmochimica Acta, 216. 184-200 doi:10.1016/j.gca.2017.04.041 | Journal (article/letter/editorial) | | experimentally-produced PGM, in particular Pt3 Fe (isoferroplatinum) and Pt-Ir metal grains, are systematically...grains + melt C1 Pt 1244 24 -11 -1.4 Isoferroplatinum + melt C1 Ir-Os 1244 48 -11 -1.4 Irā(Os)... - -3.0 Isoferroplatinum + mss + iss + melt C2 Pt 900 900 168 - -1.2 Isoferroplatinum + mss + melt...168 - -0.4 Isoferroplatinum + mss + melt C2 Pt 1000 1000 48 - -0.9 Isoferroplatinum + mss + melt...C2 Pt 1210 1210 144 - - Isoferroplatinum + mss + melt Isoferroplatinum + melt 151 presence of cooperite |  | Malitch, Kreshimir N., Puchtel, Igor S., Belousova, Elena A., Badanina, Inna Yu. (2022) A Combined Re-Os and Pt-Os Isotope and HSE Abundance Study of Ru-Os-Ir Alloys from the Kunar and Unga Placer Deposits, the Taimyr Peninsula, Polar Siberia. Minerals, 12 (11) 1463 doi:10.3390/min12111463 | Journal (article/letter/editorial) | | (i.e., deviate inclusions from ideal(i.e., isoferroplatinum, 3Fe (BM/PGE = 0.33), being more base metal...formula of Pt-Fe alloy deviate from ideal isoferroplatinum, Pt3 Fe (BM/PGE = 0.33), more base = 0.40ā0...centered cubic structure Fm3m) insteadĪ¼of isoferroplatinum T-2 0.00024 Ā± 10 structure 0.000152 Ā±Pm3m)...3.5 Ga Komati, 3.3 Ga Weltevreden, and 2.05 Ga Lapland komatiite systems evolved with non-chondritic Pt/Os...Os = +29 Ā± 2 in the source 15 ofPt/Os 21 of the Lapland komatiite system [67]. The reason for such long-term |  | | Book | | Russia. He has a Ph.D. degree (Univ. of Oulu, Finland) and a Dr. Sci. degree (IGEM RAS, Moscow) in geology...Ruthenium, Rutheniridosmine (OsIrRu), Platinum, Isoferroplatinum Pt3 Fe, (Pt2.5( FeNiCu)1.5 , Tetraferroplatinum...Hg-based PGM (Figure 3B). The PtāFe alloys isoferroplatinum and tetraferroplatinum, along with iridium...grain of isoferroplatinum, cuprorhodsite, cuproiridsite and erlichmanite. (D) Isoferroplatinum in contact...Bi-phase grain of isoferroplatinum and cuprorhodsite. (F) PGM composed of isoferroplatinum, osmium, and erlichmanite |  | | Journal (article/letter/editorial) | | THE KEIVITSANSARVI NiāCuāPGE DEPOSIT, NORTHERN FINLAND FERNANDO GERVILLAĀ§ Instituto Andaluz de Ciencias...KOJONEN Geological Survey of Finland, Betonimiehenkuja 4, FINā02150 Espoo, Finland ABSTRACT The Keivitsansarvi...Keivitsansarvi deposit, in northern Finland, is a low-grade dissemination of NiāCu sulfides containing 1.3ā26...palladian bismuthotellurides, Keivitsa intrusion, Finland. SOMMAIRE Le gisement de Keivitsansarvi, dans...Proterozoic layered intrusions in central Finnish Lapland and in Russian Karelia contain mineralized zones |  | | Report (issue) | | like the Republic of South Africa, Canada, and Finland. Over the last five or so years, colleagues have...Olivier Likhachev, Alexander Lipin, Bruce Oulu, Finland Chicoutimi, QuĆ©bec Perth, Australia Ottawa, Ontario... Nevada Houston, Texas Ottawa, Ontario Espoo, Finland Sudbury, Ontario OrlĆ©ans-la-Source, France Moscow...Peopleās Republic of China, Denmark, England, Finland, France, Germany, Russia, Republic of South Africa...the Keivitsansarvi Ni-Cu-PGE deposit, northern Finland. Canadian Mineralogist, 40, p. 377-394. MALITCH |  | Groshev, Nikolay Yu., Rundkvist, Tatyana V., Karykowski, Bartosz T., Maier, Wolfgang D., Korchagin, Aleksey U., Ivanov, Anton N., Junge, Malte (2019) Low-Sulfide PlatinumāPalladium Deposits of the Paleoproterozoic FedorovaāPana Layered Complex, Kola Region, Russia. Minerals, 9 (12) 764 doi:10.3390/min9120764 | Journal (article/letter/editorial) | | them with deposits from the Portimo Complex in Finland as the closest analogs, and to outline the main...them with deposits from the Portimo Complex in Finland as the closest analogs, and to outline the main...NƤrƤnkƤvaara, Koitelainen, and Akanvaara intrusions in Finland; the Pyrshin, Imandra Lopolith, Kandalaksha, Kolvitsa...KukkolaāTornio intrusion bordering Sweden and Finland [8,15]. According to Bleeker and Ernst [14], these...Kontiyarvi deposits of the Portimo Complex in Finland, which are similar in terms of the size, stratigraphic |  | | Report (issue) | | mineralised zones of the Penikat layered intrusion, Finland (Hanninen et al., 1986; Alapieti and Lahtinen,...hollingworthite occurs in the Hitura deposit, Finland (Hakli et al., 1976). lridianruthenian varieties...Siikakama and Penikat layered intrusions, northern Finland(Hanninenet al., 1986; Alapieti and Lahtinen, 1986)...platinian variety is noted in the Hitura deposit, Finland (Hakli et al., 1976); rhodian platinian irarsite...tetraferroplatinum. Type Occurrence: The name isoferroplatinum is given by Cabri and Feather (1975) to cubic |  | Barkov, Andrei Y., Bindi, Luca, JuĆ”rez-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) | | Tulameen complex, Canada [12], the Sotajarvi area, Finland [13] and, in situ, in the Kondyor complex, Russian...PtāFe minerals, i.e., Feābearing platinum and isoferroplatinum, cf. [6]. mineral 4.4. Solid Solutions in...PtāFe minerals, i.e., Fe-bearing platinum and isoferroplatinum, cf. [6]. Levels of Pd attain 0.3 Pd a.p.f...Columbia, Canada Detrital grain, Sotajoki area, Finland Zolotaya River placer, western Sayans, Russia Kondyor...British British Columbia, Columbia, Canada area, Finland [13], the the Zolotaya River placer, western Sayans |  | | Journal (article/letter/editorial) | | Inaglyite Insizwaite Irarsite Iridarsenite Iridium Isoferroplatinum Isomertieite Kashinite Keithconnite Kharaelakhite...Johan Z, Slansky E, Ohnenstetter M (1991) Isoferroplatinum nuggets from Milverton (Fifield, N. S. W....alloy spherules from alluvia deposits in Finnish Lapland. N Jb Miner Mh 1986:423--432 Review of platinum-group...Konttij~rvi layered mafic intrusion, northern Finland. Econ Geol 77:1511-1518 Wagner PA (1929) The platinum...Genkinite Geversite Hongshiite Insizwaite Isoferroplatinum Kharaelakhite Luberoite Malanite Maslovite |  | | Journal (article/letter/editorial) | | units, respectively), (6) LaplandāUmba granulite belt (LGB and UGB, Lapland and Umba fragments, respectively);...Belomorian Mobile Belt; (8) Mid Paleoproterozoic Main Lapland Fault (MLF); (9) TitovkaāKeivy Fault (TKF) and...addition, native gold and silver, electrum, and isoferroplatinum have been iden tified. The mineralization...of Stable Devel opment of the Northā (RussiaāFinlandāSweden), Apatity: Kola Science Center, RAS, 2008 |  | | Journal (issue) | | platinum (Pt,Fe) with 20 to 50 mol.% Fe. 2. Isoferroplatinum is a primitive cubic alloy, with a composition...compositions close to Pt3Fe are erroneously called isoferroplatinum although lacking X-ray data which would support...the primiĀ tive cubic crystal structure of isoferroplatinum is not unequivocal proof of the m ineralās...Ā© ā¢ 0 Ā© ā¢ Ā© 0 0 Ā© Ā© Iridium Ir Isoferroplatinum P t3Fe Isomertieite P d n S b 2 A s2 Ā©...platinum , isoferroplatinum (Pt 3 Fe) and tetraferroplatinum (PtFe). The identity o f isoferroplatinum, though |  | | Journal (article/letter/editorial) | | the Fennoscandian Shield. Simulta neously the LaplandāKola collision was produced in the Kola Peninsula...The axial part of this collision was the Main Lapland Fault, and other major regional faults coeval with...structures, respectively), (6) LaplandāUmba granulite belt (LGB and UGB are the Lapland and Umba fragments, respectively);...contain native gold and silver, electrum, and isoferroplatinum. This ore mineralization is charac terized...The rocks also often contain sulfoselenide. Isoferroplatinum Pt3Fe was found as large grains or aggregates |
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