minerals Article Geodynamic Emplacement Setting of Late Jurassic Dikes of the Yana–Kolyma Gold Belt, NE Folded Framing of the Siberian Craton: Geochemical, Petrologic, and U–Pb Zircon Data Valery Yu. Fridovsky 1,*, Kyunney Yu. Yakovleva 1, Antonina E. Vernikovskaya 1,2,3, Valery A. Vernikovsky 2,3 , Nikolay Yu. Matushkin 2,3 , Pavel I. Kadilnikov 2,3 and Nickolay V. Rodionov 1,4 1 Diamond and Precious Metal Geology Institute, Siberian Branch, Russian Academy of Sciences, 677000 Yakutsk, Russia;
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[email protected] (N.V.R.) 2 A.A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia;
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[email protected] (P.I.K.) 3 Department of Geology and Geophysics, Novosibirsk State University, 630090 Novosibirsk, Russia 4 A.P. Karpinsky Russian Geological Research Institute, 199106 St. Petersburg, Russia * Correspondence:
[email protected]; Tel.: +7-4112-33-58-72 Received: 30 September 2020; Accepted: 8 November 2020; Published: 11 November 2020 Abstract: We present the results of geostructural, mineralogic–petrographic, geochemical, and U–Pb geochronological investigations of mafic, intermediate, and felsic igneous rocks from dikes in the Yana–Kolyma gold belt of the Verkhoyansk–Kolyma folded area (northeastern Asia). The dikes of the Vyun deposit and the Shumniy occurrence intruding Mesozoic terrigenous rocks of the Kular–Nera and Polousniy–Debin terranes were examined in detail. The dikes had diverse mineralogical and petrographic compositions including trachybasalts, andesites, trachyandesites, dacites, and granodiorites.