| Barkov, A. Y., Fleet, M. E., Martin, R. F., Halkoaho, T. A.A. (2005) New data on "Bonanza"-type PGE mineralization in the Kirakkajuppura PGE deposit, Penikat layered complex, Finland. The Canadian Mineralogist, 43 (5) 1663-1686 doi:10.2113/gscanmin.43.5.1663 | Journal (article/letter/editorial) | “BONANZA”-TYPE PGE MINERALIZATION IN THE KIRAKKAJUPPURA PGE DEPOSIT, PENIKAT LAYERED COMPLEX, FINLAND ANDREI...Survey of Finland, Regional Office for Mid-Finland, P.O. Box 1237, FIN-70211 Kuopio, Finland ABSTRACT...elements (PGE), and unusual species occur in the Kirakkajuppura area, Penikat layered complex, Finland. The...Pd–Pb oxide [Pd7PbO8 or Pd3.5Pb0.5O4], various Cu–Fe–PGE thiospinels (large grains and unusual micro-aggregates)...micro-aggregates), laflammeite [Pd3Pb2S2], laurite–erlichmanite series [(Ru,Os,Ir)(S,As)2 – (Os,Ru,Ir)(S,As)2] | | Barkov, A. Y., Martin, R. F., Halkoaho, T. A.A., Criddle, A. J. (2002) Laflammeite, Pd3Pb2S2, a new platinum-group mineral species from the Penikat layered complex, Finland. The Canadian Mineralogist, 40 (2) 671-678 doi:10.2113/gscanmin.40.2.671 | Journal (article/letter/editorial) | PLATINUM-GROUP MINERAL SPECIES FROM THE PENIKAT LAYERED COMPLEX, FINLAND ANDREI Y. BARKOV§ AND ROBERT F. MARTIN...Survey of Finland, Regional Office for Mid-Finland, P.O. Box 1237, FIN-70211 Kuopio, Finland ALAN J....in the Penikat layered complex, Finland. It occurs in altered pyroxenite in the Kirakkajuppura deposit...cuprorhodsite – (ferrorhodsite) – malanite, laurite – erlichmanite, irarsite, keithconnite, unusual Pb–(Pd)-rich...environment poor in overall sulfur and rich in the PGE, Pb and volatiles. Keywords: laflammeite, Pd–Pb sulfide | | Barkov, A. Y., Fleet, M. E., Martin, R. F., Halkoaho, T. A.A. (2004) A POTENTIALLY NEW KONDERITE LIKE SULFIDE OF Fe, Pb, Cu, Rh, Pd, AND Ir FROM THE PENIKAT LAYERED COMPLEX, FINLAND. The Canadian Mineralogist, 42 (2) 499-514 doi:10.2113/gscanmin.42.2.499 | Journal (article/letter/editorial) | Fe, Pb, Cu, Rh, Pd, AND Ir FROM THE PENIKAT LAYERED COMPLEX, FINLAND ANDREI Y. BARKOV§ AND MICHAEL E. FLEET§...Survey of Finland, Regional Office for Mid-Finland, P.O. Box 1237, FIN–70211 Kuopio, Finland ABSTRACT...intimate association with platinum-group element (PGE) thiospinel (i.e., cuprorhodsite – ferrorhodsite...in the S-poor Kirakkajuppura PGE deposit hosted by the Penikat layered complex, Finland. The “Pb–(Fe)+Pd...konderite from the Kondyor Uralian–Alaskan-type complex [i.e., (Cu,Ni,Fe)3Pb(Rh,Pt,Ir)8S16: hexagonal and | | | Journal (article/letter/editorial) | THE PLATINUM-GROUP ELEMENTS FROM THE PENIKAT LAYERED COMPLEX, FINLAND ANDREI Y. BARKOV§ AND MICHAEL E. FLEET§...Geosciences, University of Oulu, FIN–90401 Oulu, Finland ABSTRACT Compositional zoning and some unusual...sulfarsenides of the platinum-group elements (PGE) [laurite – erlichmanite, irarsite – hollingworthite, and vysotskite...from the Kirakkajuppura PGE deposit in the Penikat layered complex, Finland. This unique deposit locally...contains exceptionally high concentrations of the PGE in altered sulfur-poor mafic–ultramafic rocks, resulting | | Barkov, Andrei Y., Shvedov, Gennadiy I., Nikiforov, Andrey A., Martin, Robert F. (2019) Platinum-group minerals from Seyba, Eastern Sayans, Russia, and substitutions in the PGE-rich pentlandite and ferhodsite series. Mineralogical Magazine, 83 (4) 531-538 doi:10.1180/mgm.2019.16 | Journal (article/letter/editorial) | Eastern Sayans, Russia, and substitutions in the PGE-rich pentlandite and ferhodsite series Andrei Y....with ultramafic units of the Lysanskiy layered complex of dunite–peridotite–gabbro composition could well...pentlandite enriched in platinum-group-elements (PGE) and the compositionally similar and recently defined...considerably enriched in the PGE. In the Seyba suite, as in several others, the amounts of PGE in ferhodsite exceeds...from ultramafic units of the Lysanskiy layered complex, exposed nearby. The Sisim placer zone is also | | Barkov, Andrei Y, Nikiforov, Andrey A, Tolstykh, Nadezhda D, Shvedov, Gennadiy I., Korolyuk, Vladimir N (2017) Compounds of Ru–Se–S, alloys of Os–Ir, framboidal Ru nanophases, and laurite–clinochlore intergrowths in the Pados-Tundra complex, Kola Peninsula, Russia. European Journal of Mineralogy, 29 (4) 613-621 doi:10.1127/ejm/2017/0029-2666 | Journal (article/letter/editorial) | laurite–clinochlore intergrowths in the Pados-Tundra complex, Kola Peninsula, Russia ANDREI Y. BARKOV1,*, ANDREY...of platinum-group elements (PGE) from the Pados-Tundra ultramafic complex of Paleoproterozoic age, Kola...the Dunite block in the eastern portion of the complex. Osmium-poor laurite is abundant, commonly as intimate...nanophases of ruthenium, hitherto unreported in PGE alloys, likely formed as a result of deposition from...ultramafic complex (∼6 1.5– 2.1 km) is associated with a Paleoproterozoic upthrust in the Lapland granulite | | Barkov, A. Y., Martin, R. F., LeBarge, W., Fedortchouk, Y. (2008) Grains of Pt-Fe alloy and inclusions in a Pt-Fe alloy from Florence Creek, Yukon, Canada: evidence of mobility of Os in a Na-H2O-Cl-rich fluid. The Canadian Mineralogist, 46 (2) 343-360 doi:10.3749/canmin.46.2.343 | Journal (article/letter/editorial) | enriched in Ir (52–54 at.%). An inclusion of erlichmanite (4.2 wt.% Rh) and a partial rim of Au–Ag alloy...chromite–magnesiochromite and hosted by an Alaskan–Uralian-type complex is the likely provenance for grains of Pt–Fe alloy...elements, platinum-group minerals, Pt–Fe alloy, PGE alloys, native osmium, volatile transport, Na–H2O–Cl-bearing...for placer deposits of the platinumgroup elements (PGE) are principally associated with ophiolites and ...these occurrences deserve attention as indicators of PGE mineralization in the area. Results of Previous | | | Journal (article/letter/editorial) | OF PLATINUM-GROUP MINERALS IN THE J-M REEF, STILLWATER COMPLEX BÉLINDA GODEL,† Centre for Exploration...from the platinum-group element (PGE)–bearing J-M reef, Stillwater Complex (Montana). The aims of the study...are the main hosts of the PGE, to examine the textural relationships of the PGE-bearing minerals, and the...exsolved from the sulfides. We suggest that the PGE, Ni, Cu, and Te partitioned into a magmatic sulfide...second fluid migration event. The Pd/Pt ratio of the reef (~3.3) is higher than most mafic magmas and the | | | Journal (article/letter/editorial) | assemblages of platinum-group minerals from the Ognit complex, Irkutskaya oblast, Eastern Sayans, Russia Gennadiy...compounds are reported from the Ognit ultramaficmafic complex of Neoproterozoic age, located at the southern...association includes Ru-Os disulphides (laurite-erlichmanite series), Ru-Os diarsenides (anduoite-omeiite)...subgroup, IPGE, of the platinum-group elements, PGE). These PGM likely crystallized comparatively early...the Ognit complex. Key words: platinum-group minerals, Neoproterozoic, ultramafic-mafic complex, Ognit, | | 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) | comprise Pt-Fe-(Cu) alloy minerals: Fe-rich platinum [PGE:(Fe þ Cu þ Ni) ¼ 3.6–7.6], Pt3Fe-type alloy (isoferroplatinum...4Cu1.9Ir1.5Rh1.1Pd1.0Os0.08Ru0.01Ni0.01 (in at%) [PGE:(Fe þ Cu þ Ni) ¼ 3.5], and its rim zone is: Pt78...5Fe15.5Cu1.7Ir1.5Rh1.4 Pd1.2Ni0.15Os0.06Ru < 0.01 [PGE:(Fe þ Cu þ Ni) ¼ 4.8]. This zoning indicates late-stage...alloy grains, likely derived from the Tulameen complex, comprise: hongshiite (Pt1.04Pd0.02 Cu0.93), sperrylite...placer located in the vicinity of the Tulameen complex, were analysed. The compositional ranges of these | | 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) | Chelyabinsk oblast, in the southern Urals. The PGE mineralization in both cases is mostly (at least...remainder consists of Pt– Fe alloys and species of PGE sulfides, arsenides, sulfarsenides, etc. The associated...in the Rudnaya suite are globules of micrometric PGE sulfides, crystallites of platinum-group minerals...chromite and minerals of the platinum-group elements (PGE), especially Ru, Os and Ir (e.g. Prichard and Lord...Bol’shoy Khailyk placer, western Sayans; this deposit is associated with the westward flow of the Urbun | | 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) | of platinum-group minerals (PGM) and associated PGE–Au phases found in alluvium along the River Bolshoy... The river drains the Aktovrakskiy ophiolitic complex, part of the Kurtushibinskiy belt, as does the...fractured or altered rims that contain secondary PGE sulfide, arsenide, sulfarsenide, sulfoantimonide...These grains, enriched in platinum-group elements (PGE), were recognized in a heavy-mineral concentrate...large-scale investigations of associations of PGM in Au–PGE-bearing zones of placers of the Altai-Sayan folded | | | Journal (article/letter/editorial) | Cu2HgSe2 M ONOCLINIC Locality: The Tuminico selenium deposit in the northern part of the Sierra de Cacho (Sierra...Al)[SO4][B(OH)4](OH)5O•12H2O H EXAGONAL Locality: The Solongo deposit, Buryatiya, Russia. Occurrence: Found in drill...and mineralogy of the Khibina–Lovozero alkaline complex.. Comments: IMA No. 2000–035. KHOMYAKOV, A.P.,...H2O M ONOCLINIC Locality: The Paratoo copper deposit, 30 km southwest of Yunta, Olary district, South...gypsum. Other rare-earth minerals found in the deposit but not directly associated with decrespignyite-(Y) | | | Book | New Results and Advances in PGE Mineralogy in Various Ni-Cu-CrPGE Ore Systems Edited by Andrei Y. Barkov...Advances in PGE Mineralogy in Various Ni-Cu-Cr-PGE Ore Systems New Results and Advances in PGE Mineralogy...Mineralogy in Various Ni-Cu-Cr-PGE Ore Systems Special Issue Editors Andrei Y. Barkov Federica Zaccarini MDPI...Minerals: New Results and Advances in PGE Mineralogy in Various Ni-Cu-Cr-PGE Ore Systems” Reprinted from: Minerals...Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt Reprinted | | | Report (volume) | Within the HSE are the platinumgroup elements (PGE), which include the six elements lying in the d-block...Au do not necessarily behave as coherently as the PGE, due to their differing electronegativity and oxidation...definition between the discussion of the PGE and the HSE (PGE, Re and Au) exists in the literature, especially...implementation of Pt, Pd, and subsequently other PGE to catalytic oxidation (Davy 1817), and the importance...treatments (e.g., Rosenberg et al. 1969). The use of the PGE, most especially Pt, Pd and Rh, in the automotive | | | Journal (issue) | he also made the first geological and mineral deposit maps of Bolivia. The mineral ahlfeldite, a hydrated...Carl Troll. In 1929 he traveled to Africa, 225 deposit of Mutún at Puerto Suarez on the Brazilian frontier...Cerro Sapo in the Ayopaya alkaline province, a deposit which he himself had discovered. He also discovered...praktische Geologie, 37, 216–219. [The Carguaicollo tin deposit, Bolivia.] (1930) Discusion sobre la casiterita...praktische Geologie, 39, 33–38. [The Villa Apacheta tin deposit, Bolivia.] (1931) The tin ores of Uncia-Llallagua | | | Journal (article/letter/editorial) | from the text by simply using the code of each deposit in the chart. This code can be created by combining... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . . . . . . 6.1. Chemistry... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ...the only inexhaustible low-grade, large-tonnage deposit on earth? The first step has already been taken | | | Journal (article/letter/editorial) | from the text by simply using the code of each deposit in the chart. This code can be created by combining... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . . . . . . 6.1. Chemistry... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ...the only inexhaustible low-grade, large-tonnage deposit on earth? The first step has already been taken |
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