K-Ar age and chemical composition of volcanites from the Sea of Okhotsk

DOI

Volcanogenic rocks from the Sea of Okhotsk are divided into seven age complexes: Late Jurassic, Early Cretaceous, Late Cretaceous, Eocene, Late Oligocene, Late Miocene, and Pliocene-Pleistocene. All these complexes are united into two groups - Late Mesozoic and Cenozoic. Each group reflects a certain stage of development of the Sea of Okhotsk region. Late Mesozoic volcanites build the geological basement of the Sea of Okhotsk, and their petrochemical features are similar to those of the volcanic rocks from the Okhotsk-Chukotka Volcanogen. Pliocene-Pleistocene volcanites reflect stages of tectono-magmatic activity; the latter destroyed the continental margin and produced riftogenic troughs. Geochemical features of volcanites from the Sea of Okhotsk indicate influence of the sialic crust on magma formation and testify formation of the Okhotsk Sea Basin on the destructive margin of the Asian continent.

Supplement to: Emelyanova, T A; Lelikov, Evgeny P; Sedin, V T; Naryzhnyy, V L (2003): Geology and features of volcanism on the Sea of Okhotsk floor. Tikhookeanskaya Geologiya (Pacific Geology), 22(4), 3-18

Identifier
DOI https://doi.org/10.1594/PANGAEA.779116
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.779116
Provenance
Creator Emelyanova, T A; Lelikov, Evgeny P; Sedin, V T; Naryzhnyy, V L
Publisher PANGAEA
Publication Year 2003
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Representation
Language English
Resource Type Supplementary Publication Series of Datasets; Collection
Format application/zip
Size 2 datasets
Discipline Earth System Research
Spatial Coverage (144.735W, 47.917S, 152.160E, 56.200N); Sea of Okhotsk