Chemical composition of hydrothermal carbonates and barites from the Deryugin Basin, Sea of Okhotsk, supplement to: Astakhova, N V; Sorochinskaya, A V (2001): Hydrothermal formations in the Deryugin Basin sediments of the Sea of Okhotsk. Translated from Okeanologiya, 2001, 41(3), 447-455, Oceanology, 41(3), 429-437

N V Astakhova & A V Sorochinskaya
Data on hydrothermal activity in the Deryugin Basin (Sea of Okhotsk) are reviewed. Barites and carbonates found in sediment cores sampled at feet of hydrothermal mounds were subdivided into recycled and authigenic types. Recycled minerals were represented by crystals and aggregations of travertine-like barite and fragments of barite and carbonate tubes. Authigenic formations included: (1) carbonate nodules; (2) barite micronodules; (3) transparent colorless barite that generated numerous small nests and filled cavities in sediments; (4)...
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