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V. Kazachenko, N. Miroshnichenko, E. Perevoznikova, V. Chubarov, V. Kiselev, V. Solyanik (2006)
Gallium, gold, and platinum group metals in manganese rocks of Southern Sikhote AlinDoklady Earth Sciences, 407
ISSN 1028-334X, Doklady Earth Sciences, 2007, Vol. 415, No. 5, pp. 718â722. © Pleiades Publishing, Ltd., 2007. Original Russian Text © V.T. Kazachenko, E.V. Perevoznikova, N.V. Miroshnichenko, A.A. Karabtsov, V.A. Solyanik, 2007, published in Doklady Akademii Nauk, 2007, Vol. 414, No. 5, pp. 667â671. GEOCHEMISTRY V. T. Kazachenko, E. V. Perevoznikova, N. V. Miroshnichenko, A. A. Karabtsov, and V. A. Solyanik Presented by Academician D.V. Rundqvist June 14, 2006 Received July 7, 2006 DOI: 10.1134/S1028334X07050133 The TriassicâJurassic carbonaceous sequence of Sikhote Alin includes metalliferous sediments represented by siliceousârhodochrosite rocks and their metamorphosed analogues [3, 4], siliceous rocks with pyrophanite (âbrown chertsâ), tinâiron ores, âilmeniteâ biotiteâfeldsparâ (metamorphosed clayey) rocks, and âitabirites.â They are characterized by high contents of Au, Ag, Pt, and Pd [2] and the ubiquitous presence of minerals of these elements. Hydrothermally altered sandstones, as well as siliceousâclayey and siliceous rocks, which are associated with syngenetic metalliferous rocks, contain grains of gold, silver, argentite, platinum, Pd-platinum, itenbohaardite, and other minerals of noble metals. It should be mentioned that identiï¬cations of all minerals mentioned in this paper have been conï¬rmed by microprobe analyses. Another type of hydrothermal ores is represented by Mn-rich amphiboleâpyroxene rocks that contain native gold,
Doklady Earth Sciences – Springer Journals
Published: Jul 1, 2007
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