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THE REGIONAL STRATIGRAPHIC CHART FOR THE DEVONIAN FORMATIONS OF THE EASTERN ALTAI-SAYAN REGION

V. I. Krasnov 1, L. V. Peregoedov 1, L. S. Ratanov 1, G. S. Fedoseev 2

1 Siberian Research Institute of Geology, Geophysics and Mineral Resources, Novosibirsk, Russia; 2 V.S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, Russia

A new version of the Regional Stratigraphic Chart for the Devonian formations of the eastern Altai-Sayany region was approved by the Devonian workshop of the Siberian Regional Interdepartmental Stratigraphic Comission (SibRISC) at the All-Russian Stratigraphic Meeting regarding the elaboration of Stratigraphic Regional Charts of the Siberian Upper Pre-Cambrian and Paleozoic in November, 2012 in Novosibirsk. The Chart was examined by the Comission of the ISC on the Devonian System and approved as a standard at the extended meeting of the ISC on April,4th ,2013 in Saint Petersburg. It includes new data, resulting from geological survey and topic-specific works after the Chart had been approved in 1979. Since the adoption of the Chart, new data have been received. They are included in the Chart and submitted to the Commission of the ISC for the Devonian system and additionally approved by the Bureau of the ISC in April 2017. The Chart is recommended for use in geological survey, prospecting and other geological activities of the eastern Altai-Sayan region.

Keywords: eastern Altai-Sayan area, Devonian, Regional Stratigraphic chart, Explanatory note.

DOI 10.20403/2078-0575-2018-7c-54-101