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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Bibliographic Details
Main Authors: Astakhova, N V, Sorochinskaya, A V
Format: Dataset
Language:English
Published: PANGAEA 1999
Subjects:
Akademik A Nesmeyanov
Akademik M.A. Lavrentiev
AN_1993
AN25-936
Archive of Ocean Data
ARCOD
AS-99-119
AS-99-3155
AS-99-89102
AS-99-8935
AS-99-8937
AS-99-E35
AS-99-T-03B
AS-99-T-21
Ast-82156
Ast-8785
Ast-E29
BC
Box corer
Dredge
DRG
GC
Gravity corer
Gravity corer (Kiel type)
LV27/GREGORY
LV27-1-2
LV27-1-3
LV27-1A
LV27-2-3
MUC
MULT
MultiCorer
Multiple investigations
Nesmeyanov-93_9312
Obzh-89228
Okhotsk Sea
P31-3161
Sea of Okhotsk
SL
South China Sea
Okhotsk
Pacific
Carbonic acid
okhotsk sea
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.775328
https://doi.org/10.1594/PANGAEA.775328
id ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.775328
record_format openpolar
spelling ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.775328 2023-05-15T15:52:39+02:00 Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas Astakhova, N V Sorochinskaya, A V MEDIAN LATITUDE: 25.031643 * MEDIAN LONGITUDE: 122.056889 * SOUTH-BOUND LATITUDE: 8.943333 * WEST-BOUND LONGITUDE: 108.513300 * NORTH-BOUND LATITUDE: 54.576000 * EAST-BOUND LONGITUDE: 155.305500 * DATE/TIME START: 1993-01-01T00:00:00 * DATE/TIME END: 1996-09-17T00:00:00 1999-02-03 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.775328 https://doi.org/10.1594/PANGAEA.775328 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.775328 https://doi.org/10.1594/PANGAEA.775328 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Pacific Oceanology Institute, Far East Branch of Russian Academy of Sciences 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 Akademik A Nesmeyanov Akademik M.A. Lavrentiev AN_1993 AN25-936 Archive of Ocean Data ARCOD AS-99-119 AS-99-3155 AS-99-89102 AS-99-8935 AS-99-8937 AS-99-E35 AS-99-T-03B AS-99-T-21 Ast-82156 Ast-8785 Ast-E29 BC Box corer Dredge DRG GC Gravity corer Gravity corer (Kiel type) LV27/GREGORY LV27-1-2 LV27-1-3 LV27-1A LV27-2-3 MUC MULT MultiCorer Multiple investigations Nesmeyanov-93_9312 Obzh-89228 Okhotsk Sea P31-3161 Sea of Okhotsk SL South China Sea Dataset 1999 ftpangaea https://doi.org/10.1594/PANGAEA.775328 2023-01-20T07:32:24Z 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 oxidation, organic matter destruction during sediment diagenesis, and dissolved organogenic limestone. Thus, formation of authigenic carbonates in sediments from the marginal seas of the Northwest Pacific results from: 1) sediment diagenesis, 2) methane oxidation in zones of gas anomalies, 3) their precipitation from the supersaturated by carbonates sea shoal waters of tropical sea lagoons. Dataset Carbonic acid okhotsk sea PANGAEA - Data Publisher for Earth & Environmental Science Okhotsk Pacific ENVELOPE(108.513300,155.305500,54.576000,8.943333)
institution Open Polar
collection PANGAEA - Data Publisher for Earth & Environmental Science
op_collection_id ftpangaea
language English
topic Akademik A Nesmeyanov
Akademik M.A. Lavrentiev
AN_1993
AN25-936
Archive of Ocean Data
ARCOD
AS-99-119
AS-99-3155
AS-99-89102
AS-99-8935
AS-99-8937
AS-99-E35
AS-99-T-03B
AS-99-T-21
Ast-82156
Ast-8785
Ast-E29
BC
Box corer
Dredge
DRG
GC
Gravity corer
Gravity corer (Kiel type)
LV27/GREGORY
LV27-1-2
LV27-1-3
LV27-1A
LV27-2-3
MUC
MULT
MultiCorer
Multiple investigations
Nesmeyanov-93_9312
Obzh-89228
Okhotsk Sea
P31-3161
Sea of Okhotsk
SL
South China Sea
spellingShingle Akademik A Nesmeyanov
Akademik M.A. Lavrentiev
AN_1993
AN25-936
Archive of Ocean Data
ARCOD
AS-99-119
AS-99-3155
AS-99-89102
AS-99-8935
AS-99-8937
AS-99-E35
AS-99-T-03B
AS-99-T-21
Ast-82156
Ast-8785
Ast-E29
BC
Box corer
Dredge
DRG
GC
Gravity corer
Gravity corer (Kiel type)
LV27/GREGORY
LV27-1-2
LV27-1-3
LV27-1A
LV27-2-3
MUC
MULT
MultiCorer
Multiple investigations
Nesmeyanov-93_9312
Obzh-89228
Okhotsk Sea
P31-3161
Sea of Okhotsk
SL
South China Sea
Astakhova, N V
Sorochinskaya, A V
Chemical and isotopic compositions of authigenic carbonates from bottom sediments of Northwest Pacific marginal seas
topic_facet Akademik A Nesmeyanov
Akademik M.A. Lavrentiev
AN_1993
AN25-936
Archive of Ocean Data
ARCOD
AS-99-119
AS-99-3155
AS-99-89102
AS-99-8935
AS-99-8937
AS-99-E35
AS-99-T-03B
AS-99-T-21
Ast-82156
Ast-8785
Ast-E29
BC
Box corer
Dredge
DRG
GC
Gravity corer
Gravity corer (Kiel type)
LV27/GREGORY
LV27-1-2
LV27-1-3
LV27-1A
LV27-2-3
MUC
MULT
MultiCorer
Multiple investigations
Nesmeyanov-93_9312
Obzh-89228
Okhotsk Sea
P31-3161
Sea of Okhotsk
SL
South China Sea
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 oxidation, organic matter destruction during sediment diagenesis, and dissolved organogenic limestone. Thus, formation of authigenic carbonates in sediments from the marginal seas of the Northwest Pacific results from: 1) sediment diagenesis, 2) methane oxidation in zones of gas anomalies, 3) their precipitation from the supersaturated by carbonates sea shoal waters of tropical sea lagoons.
format Dataset
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://doi.pangaea.de/10.1594/PANGAEA.775328
https://doi.org/10.1594/PANGAEA.775328
op_coverage MEDIAN LATITUDE: 25.031643 * MEDIAN LONGITUDE: 122.056889 * SOUTH-BOUND LATITUDE: 8.943333 * WEST-BOUND LONGITUDE: 108.513300 * NORTH-BOUND LATITUDE: 54.576000 * EAST-BOUND LONGITUDE: 155.305500 * DATE/TIME START: 1993-01-01T00:00:00 * DATE/TIME END: 1996-09-17T00:00:00
long_lat ENVELOPE(108.513300,155.305500,54.576000,8.943333)
geographic Okhotsk
Pacific
geographic_facet Okhotsk
Pacific
genre Carbonic acid
okhotsk sea
genre_facet Carbonic acid
okhotsk sea
op_source Pacific Oceanology Institute, Far East Branch of Russian Academy of Sciences
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
op_relation https://doi.pangaea.de/10.1594/PANGAEA.775328
https://doi.org/10.1594/PANGAEA.775328
op_rights CC-BY-3.0: Creative Commons Attribution 3.0 Unported
Access constraints: unrestricted
info:eu-repo/semantics/openAccess
op_rightsnorm CC-BY
op_doi https://doi.org/10.1594/PANGAEA.775328
_version_ 1766387774500372480

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