Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ...
The paper presents data on authigenic carbonate distribution in Holocene - Upper Pleistocene deposits of the Okhotsk, Japan, East China, Philippine and South China Seas. Description of carbonate samples, their chemical and isotope compositions are given. Chemical analysis of the samples indicates th...
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ftdatacite:10.1594/pangaea.775328 2024-09-15T18:01:37+00:00 Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... Astakhova, N V Sorochinskaya, A V 1999 application/zip https://dx.doi.org/10.1594/pangaea.775328 https://doi.pangaea.de/10.1594/PANGAEA.775328 en eng PANGAEA Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Box corer Gravity corer Dredge Multiple investigations MultiCorer Gravity corer Kiel type AN_1993 LV27/GREGORY Akademik A Nesmeyanov Akademik M.A. Lavrentyev Archive of Ocean Data ARCOD article Collection Supplementary Publication Series of Datasets 1999 ftdatacite https://doi.org/10.1594/pangaea.775328 2024-07-03T13:10:33Z The paper presents data on authigenic carbonate distribution in Holocene - Upper Pleistocene deposits of the Okhotsk, Japan, East China, Philippine and South China Seas. Description of carbonate samples, their chemical and isotope compositions are given. Chemical analysis of the samples indicates that almost all authigenic carbonates are composed of calcite or magnesian calcite; and only in one case, of siderite. Oxygen isotopic composition (d18O) ranges from +37.7 to +26.1 per mil (SMOW); it is, probably, connected with different temperatures of carbonate formation. A distinct geographic regularity is traced. Decrease in d18O values is observed from the cold Okhotsk Sea to the warm South China Sea. A very wide range of carbon isotopic composition (d13C from -42 to +3.8 per mil) indicates different sources of carbonic acid required for formation of these carbonates. As a basis for carbon isotopic composition we can distinguish three sources of carbonic acid in the studied sediments: microbiological methane ... : Supplement to: Astakhova, N V; Sorochinskaya, A V (1999): Authigenic carbonates in Upper Pleistocene - Holocene deposits of marginal seas, Northwest Pacific. Tikhookeanskaya Geologiya (Pacific Geology), 18(1), 41-49 ... Article in Journal/Newspaper Carbonic acid okhotsk sea DataCite |
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English |
topic |
Box corer Gravity corer Dredge Multiple investigations MultiCorer Gravity corer Kiel type AN_1993 LV27/GREGORY Akademik A Nesmeyanov Akademik M.A. Lavrentyev Archive of Ocean Data ARCOD |
spellingShingle |
Box corer Gravity corer Dredge Multiple investigations MultiCorer Gravity corer Kiel type AN_1993 LV27/GREGORY Akademik A Nesmeyanov Akademik M.A. Lavrentyev Archive of Ocean Data ARCOD Astakhova, N V Sorochinskaya, A V Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... |
topic_facet |
Box corer Gravity corer Dredge Multiple investigations MultiCorer Gravity corer Kiel type AN_1993 LV27/GREGORY Akademik A Nesmeyanov Akademik M.A. Lavrentyev Archive of Ocean Data ARCOD |
description |
The paper presents data on authigenic carbonate distribution in Holocene - Upper Pleistocene deposits of the Okhotsk, Japan, East China, Philippine and South China Seas. Description of carbonate samples, their chemical and isotope compositions are given. Chemical analysis of the samples indicates that almost all authigenic carbonates are composed of calcite or magnesian calcite; and only in one case, of siderite. Oxygen isotopic composition (d18O) ranges from +37.7 to +26.1 per mil (SMOW); it is, probably, connected with different temperatures of carbonate formation. A distinct geographic regularity is traced. Decrease in d18O values is observed from the cold Okhotsk Sea to the warm South China Sea. A very wide range of carbon isotopic composition (d13C from -42 to +3.8 per mil) indicates different sources of carbonic acid required for formation of these carbonates. As a basis for carbon isotopic composition we can distinguish three sources of carbonic acid in the studied sediments: microbiological methane ... : Supplement to: Astakhova, N V; Sorochinskaya, A V (1999): Authigenic carbonates in Upper Pleistocene - Holocene deposits of marginal seas, Northwest Pacific. Tikhookeanskaya Geologiya (Pacific Geology), 18(1), 41-49 ... |
format |
Article in Journal/Newspaper |
author |
Astakhova, N V Sorochinskaya, A V |
author_facet |
Astakhova, N V Sorochinskaya, A V |
author_sort |
Astakhova, N V |
title |
Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... |
title_short |
Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... |
title_full |
Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... |
title_fullStr |
Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... |
title_full_unstemmed |
Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas ... |
title_sort |
chemical and isotopic compositions of authigenic carbonates from bottom sediments of northwest pacific marginal seas ... |
publisher |
PANGAEA |
publishDate |
1999 |
url |
https://dx.doi.org/10.1594/pangaea.775328 https://doi.pangaea.de/10.1594/PANGAEA.775328 |
genre |
Carbonic acid okhotsk sea |
genre_facet |
Carbonic acid okhotsk sea |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.775328 |
_version_ |
1810438724469653504 |