Platinum-group minerals from the Malaya Kamenushka River placer, Middle Urals, Russia

被引:6
作者
Palamarchuk, Roman S. [1 ]
Stepanov, Sergey Yu [2 ]
Kozlov, Aleksandr, V [3 ]
Khanin, Dmitry A. [4 ]
Varlamov, Dmitry A. [4 ]
Zolotarev, Andrey A. [2 ]
Kiseleva, Daria, V [5 ]
Shilovskikh, Vladimir V. [2 ]
机构
[1] South Urals Fed Res Ctr Mineral & Geoecol UB RAS, Miass 456317, Chelyabinsk Dis, Russia
[2] St Petersburg State Univ, Geol Chair, 7-9 Univ Skaya Naberezhnaya, St Petersburg 199034, Russia
[3] St Petersburg Min Univ, 2,21st Line, St Petersburg 199106, Russia
[4] RAS, Inst Expt Mineral, 4 Akad Osypyana Str, Chernogolovka 142432, Russia
[5] Zavaritsky Inst Geol & Geochem UB RAS, 15 Akad Vonsovskogo Str, Ekaterinburg 620016, Russia
基金
俄罗斯基础研究基金会;
关键词
platinum placer deposits; Uralian-Alaskan type massif; Ural platinum belt; Kamenushensky massif; PGM; Os-Ir-Ru alloys; CLINOPYROXENITE-DUNITE MASSIFS; GROUP-ELEMENT MINERALIZATION; COMPLEX CENTRAL URALS; ALASKAN-TYPE COMPLEX; PT-FE NUGGETS; GENETIC MODEL; DEPOSITS; CHROMITITES; VERESOVOBORSKY; SVETLOBORSKY;
D O I
10.1180/mgm.2020.87
中图分类号
P57 [矿物学];
学科分类号
070901 ;
摘要
This work presents a detailed study of platinum-group mineral (PGM) assemblages from the Malaya Kamenushka River placer, whose formation is associated with the weathering of the Kamenushensky Uralian-Alaskan type massif, Middle Urals, Russian Federation. The deposit is characterised by the dominance of isoferroplatinum, together with significant numbers of inclusions of Os-Ir-Ru alloys and platinum-group element (PGE) sulfides. A study of the Os-Ir-Ru alloys permitted recognition of two types of iridium with different morphology and composition. The similarity of the PGM assemblages from the Malaya Kamenushka River placer and the lode mineralisation of the Kamenushensky massif is demonstrated. A comparison of PGM assemblages from the Malaya Kamenushka River placer with other placers and massifs of the Ural platinum belt demonstrates significant differences in the number of Os-Ir-Ru inclusions. Such differences for minerals of refractory elements cannot be explained by the vertical zoning of the lode mineralisation. Most probably this is associated with the enrichment of the primary substrate with Os, Ir and Ru and/or the degree of melting, depending on the chosen model of formation of the Uralian-Alaskan type massifs.
引用
收藏
页码:900 / 912
页数:13
相关论文
共 50 条
  • [31] ORIGIN OF PLATINUM-GROUP MINERAL ASSEMBLAGES FROM PLACERS IN RIVERS DRAINING FROM THE URAL-ALASKAN TYPE ITCHAYVAYAMSKY ULTRAMAFICS, FAR EAST RUSSIA
    Sidorov, Eugene G.
    Kutyrev, Anton, V
    Zhitova, Elena S.
    Chubarov, Valery M.
    Khanin, Dmitry A.
    CANADIAN MINERALOGIST, 2019, 57 (01) : 91 - 104
  • [32] Orthopyroxenite hosted chromitite veins anomalously enriched in platinum-group minerals from the Havana-Matanzas Ophiolite, Cuba
    Farre-de-Pablo, Julia
    Pujol-Sol, Nuria
    Torres-Herrera, Harlison
    Aiglsperger, Thomas
    Maria Gonzalez-Jimenez, Jose
    Isabel Llanes-Castro, Angelica
    Garcia-Casco, Antonio
    Proenza, Joaquin A.
    BOLETIN DE LA SOCIEDAD GEOLOGICA MEXICANA, 2020, 72 (03):
  • [33] Concentration of Particulate Platinum-Group Minerals during Magma Emplacement; a Case Study from the Merensky Reef, Bushveld Complex
    Hutchinson, David
    Foster, Jeffrey
    Prichard, Hazel
    Gilbert, Sarah
    JOURNAL OF PETROLOGY, 2015, 56 (01) : 113 - 159
  • [34] The mineralogy, geochemistry and genesis of the alluvial platinum-group minerals of the Freetown Layered Complex, Sierra Leone
    Bowles, John F. W.
    Suarez, Saioa
    Prichard, Hazel M.
    Fisher, Peter C.
    MINERALOGICAL MAGAZINE, 2018, 82 : S223 - S246
  • [35] Platinum-Group Elements and Gold in Base Metal Sulfides, Platinum-Group Minerals, and Re-Os Isotope Compositions of the Uitkomst Complex, South Africa
    Trubac, Jakub
    Ackerman, Lukas
    Gauert, Christoph
    Durisova, Jana
    Hrstka, Tomas
    ECONOMIC GEOLOGY, 2018, 113 (02) : 439 - 461
  • [36] DETRITAL PLATINUM-GROUP MINERALS AND GOLD IN PLACERS OF SOUTHEASTERN SAMAR ISLAND, PHILIPPINES
    Oberthuer, Thomas
    Melcher, Frank
    Weiser, Thorolf W.
    CANADIAN MINERALOGIST, 2017, 55 (01) : 45 - 62
  • [37] Geochemistry and mineralogy of platinum-group elements at Hartley Platinum Mine, ZimbabwePart 2: Supergene redistribution in the oxidized Main Sulfide Zone of the Great Dyke, and alluvial platinum-group minerals
    Thomas Oberthür
    Thorolf W. Weiser
    Lothar Gast
    Kari Kojonen
    Mineralium Deposita, 2003, 38 : 344 - 355
  • [38] Petrogenesis of arsenic and platinum-group minerals from a partially serpentinized dunite in East Dover, Vermont, USA
    Brigham, John M.
    Baldwin, Suzanne L.
    GEOLOGICAL SOCIETY OF AMERICA BULLETIN, 2023, 135 (5-6) : 1383 - 1392
  • [39] PGE-(REE-Ti)-Rich Micrometer-Sized Inclusions, Mineral Associations, Compositional Variations, and a Potential Lode Source of Platinum-Group Minerals in the Sisim Placer Zone, Eastern Sayans, Russia
    Barkov, Andrei Y.
    Shvedov, Gennadiy I.
    Martin, Robert F.
    MINERALS, 2018, 8 (05):
  • [40] Geochemistry and mineralogy of platinum-group elements at Hartley Platinum Mine, Zimbabwe Part 2:: Supergene redistribution in the oxidized Main Sulfide Zone of the Great Dyke, and alluvial platinum-group minerals
    Oberthür, T
    Weiser, TW
    Gast, L
    MINERALIUM DEPOSITA, 2003, 38 (03) : 344 - 355