Abstract
The article presents the results of geochemical studies on the main and minor elements of the Permian terrigenous rocks of the southern part of the Omolon Massif. Lithochemical studies showed that sediments accumulated in a warm climate with some episodes of cooling. The Omolon basin had normal salinity; periods of both oxide and disoxide conditions were observed in it. The interpretation of the obtained data indicates that the deposits accumulated in the basin associated with the marginal continental island arc (Okhotsk-Taigonos volcanic arc). Possible source materials were volcanics of the basic and intermediate composition from the arc, as well as acid igneous rocks (volcanics of the Kedon Series) and metamorphic complexes of the basement of the Omolon Massif.
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