fig11.htm

Figure 11. Distribution of volcanic rocks in the Eifelian-Frasnian deposits of the Pripyat rifting zone [Aisberg et al., 2001].
(1) boundaries of the lithofacies zones of volcanic rocks: (I) vent and near-vent rocks, (II) effusive-explosive rocks, (III) volcanic sediments, (IV) sediments volcanic; (2) central type volcanoes: Shcherbovskii (1), Aleksandrovskii (2), North-Mikhalkovskii (3), Mikhalkovskii (4), West Mikhalkovskii (5); (3) fissure-type volcanoes (Borshevskii (6), Mirnyi (7), Vasilievskii (8), Vetkhinskii (9), Nadvinskii (10). The contour lines show (4) the total thickness of Evlanov-Domanovichi (Late Frasnian) volcanic rocks, m; (5) the total thicknesses of intrusive rocks in pre-Evlanov Devonian deposits, m; (6) equal amounts of sills in the pre-Evlanov Devonian rocks, m; (7) western limit of intrusive bodies; (8) area of Frasnian undifferentiated volcanic rocks in the Dnieper-Donetsk Trough; faults: (9) Northern marginal fault of the Pripyat and Dnieper-Donetsk Trough; (10) other faults; (11) western boundary of the Bragin-Loev Saddle; (12) structure contour lines of the synrift rocks (bottom of the Rechitsa-Loev Saddle), km; (13) eastern boundary of salt interbeds in the late Frasnian rocks.


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