RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 10, ES5001, doi:10.2205/2008ES000302, 2008
Figure 5. Scheme of the geological structure of the Sakmara zone in the Mednogorsk
massive sulphide ore deposit area (compiled using record of geological survey by
B. F. Khromykh, V. T. Tishchenko, N. T. Vidyukov and the authors' data):
1 - soft Mesozoic-Cenozoic sediments; 2 - flyschoid terrigenous and terrigenous
carbonate sediments (D3-C1); 3 - siliceous condensed section
(D1-3); 4 - Devonian
basaltoid sequences with mixtite beds (D1-2); 5 - siliceous-black-shale sediments
of the Silurian Sakmara Formation (S1-2); 6 - siliceous tuffaceous sediments of the
Kuragan Formation (O1-3) and volcanogenic tuffaceous deposits of the Guberlya Formation
(O2-3); 7-10 - elements of the section of the Kuragan Formation (in insets):
7 - tuffaceous sandstones and siltstones with basalt lenses and sills, 8 - basalts with
siliceous tuffite lenses, 9 - grey siliceous tephroids, 10 - red siliceous tephroids;
11 - Guberlya Formation (O2-3), tuffs and tuffites of mixed composition (in insets);
12 - compound volcanogenic complex, Baulus (O3) and Blyava (S1) formations;
13 - terrigenous arkosic sediments of the Kidryasovo Formation (O1t);
14 - serpentinite melanges, ophiolitoclastic mixtites, olistostromes;
15 - metamorphic complexes of the Uraltau zone; 16 - diorites (O3);
17 - faults; 18 - normal and overturned elements of occurrence; 19 - conodont localities,
their numbers and age. Letters indicate synforms: B - Blyava, U - Utyagulovo,
Kh - Khmelevka. The insets demonstrate structure of the Blyava Station area (A) and Shaitantau
Mountains (B).

Citation: Dubinina, S. V., and A. V. Ryazantsev (2008), Conodont stratigraphy and correlation of the Ordovician volcanogenic and volcanogenic sedimentary sequences in the South Urals, Russ. J. Earth Sci., 10, ES5001, doi:10.2205/2008ES000302.
Copyright 2008 by the Russian Journal of Earth Sciences
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