 | 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)...occur in a pegmatitic gabbro from Kirakkajuppura. The Kirakkajuppura PGE mineralization probably formed |  | 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...association with actinolite and clinochlore, accessory chromite, various platinum-group minerals [vysotskite,...environment poor in overall sulfur and rich in the PGE, Pb and volatiles. Keywords: laflammeite, Pd–Pb sulfide |  | | Journal (article/letter/editorial) | | compensation in Cu-Fe-PGE thiospinels from the Penikat layered intrusion, Finland ANDREI Y. BARKOV,1,*...Office for Mid-Finland, Geological Survey of Finland, P.O. Box 1237, FIN-70211, Kuopio, Finland ABSTRACT...elements (PGE) are relatively abundant in the Kirakkajuppura PGE deposit of the Penikat layered complex, Finland...base-metal sulfide-free and relatively poor in chromite, the thiospinels occur as subhedral or anhedral...Fe-rich end-members of the solid-solution series at Penikat are 3+ 2– + Cu+[Rh3+(Pt,Ir)4+]S42– and (Fe3+ 0 |  | 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...and sulfarsenides of the platinum-group elements (PGE) [laurite – erlichmanite, irarsite – hollingworthite...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, 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...(1–10 mm) hosted by cores of zoned grains of chromite–magnesiochromite (Chr) in chromitite of the Dunite...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 |  | | 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 |  | 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, 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) | | mineralized zone rich in chromite–magnesiochromite and hosted by an Alaskan–Uralian-type complex is the likely provenance...elements, platinum-group minerals, Pt–Fe alloy, PGE alloys, native osmium, volatile transport, Na–H2O–Cl-bearing...Nous croyons qu’une zone minéralisée enrichie en chromite–magnésiochromite dans un complexe hôte de type...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 |  | Barkov, Andrei Y., Shvedov, Gennadiy I., Polonyankin, Alexander A., Martin, Robert F. (2017) New and unusual Pd-Tl-bearing mineralization in the Anomal'nyi deposit, Kondyor concentrically zoned complex, northern Khabarovskiy kray, Russia. Mineralogical Magazine, 81 (3) 679-688 doi:10.1180/minmag.2016.080.118 | Journal (article/letter/editorial) | | mineralization in the Anomal’nyi deposit, Kondyor concentrically zoned complex, northern Khabarovskiy kray...described from the Anomal’nyi Cu-PGE deposit, Kondyor alkaline ultramafic complex, northeastern Russia. They...volatile components, is indicated for the vein-type deposit at Anomal’nyi. K E Y WO R D S : platinum-group...Anomal’nyi PGE deposit, concentrically zoned complex, alkali-enriched ultramafic complex, Kondyor, Khabarovskiy...THE zoned Kondyor (‘Konder’) alkaline ultramafic complex (Fig. 1a–e) is a well-known example of a platform |  | 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...hosts for ore deposits of chromite and minerals of the platinum-group elements (PGE), especially Ru, Os and...Bol’shoy Khailyk placer, western Sayans; this deposit is associated with the westward flow of the Urbun |  | | 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...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,...Zadoi, which are associated with the Yoko-Dovyren complex in the Baikal-Patom zone, host various deposits |  | 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) | | “bonanza”-type PGE mineralization in the Kirakkajuppura PGE deposit, Penikat layered complex, Finland —A.Y. Barkov...platinum-group minerals from the Eastern Bushveld Complex, South Africa—F. Melcher, T. Oberthür, and J. Lodziak...intermetallic mineral species from the Mesamax Northwest deposit, Ungava region, Quebec, Canada: Description and...geostructural position of the Kupol gold-silver deposit, Chukotka—V.S. Kravtsov, V.F. Belyi, A.V. Volkov...enic ore formation in the Sovinoe gold-quartz deposit (northern Chukotka)—V.I. Goncharov and A.V. Volkov |  | | 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) |  | Barkov, Andrei Y., Nikulin, Ivan I., Nikiforov, Andrey A., Lobastov, Boris M., Silyanov, Sergey A., Martin, Robert F. (2021) Atypical Mineralization Involving Pd-Pt, Au-Ag, REE, Y, Zr, Th, U, and Cl-F in the Oktyabrsky Deposit, Norilsk Complex, Russia. Minerals, 11 (11) 1193 doi:10.3390/min11111193 | Journal (article/letter/editorial) | | Zr, Th, U, and Cl-F in the Oktyabrsky Deposit, Norilsk Complex, Russia Andrei Y. Barkov 1, *, Ivan I...Zr, Th, U, and Cl-F in the Oktyabrsky Deposit, Norilsk Complex, Russia. Minerals 2021, 11, 1193. https://doi...the eastern portion of the Oktyabrsky deposit in the Norilsk complex (Russia). The overall variations in...late interstitial associations. The magnesian chromite (Mg# 43.9) trends towards Cr-bearing magnetite...the geochemically evolved system is evident. The complex assemblages formed late from Cl-enriched fluids |  | | 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...of Platinum Group Minerals (PGM) Inclusions in Chromite Deposits of the Urals Reprinted from: Minerals |  | | 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 (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 |  | | 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 |
|
