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| Format: | Dataset Open Access |
| Language: | en |
| Published: |
PANGAEA
2004
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| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.785878 |
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| _version_ | 1867169506208514048 |
|---|---|
| author | Lein, Alla Yu |
| author_facet | Lein, Alla Yu |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Oceanic authigenic carbonates are classified according to origin of the carbonate carbon source using a complex methodology that includes methods of sedimentary petrography, mineralogy, isotope geochemistry, and microbiology. Mg-calcite (protodolomite) and aragonite predominate among the authigenic carbonates. All authigenic carbonates are depleted in 13C and enriched in 18O (in PDB system) that indicates biological fractionation of isotopes during carbonate formation. Obtained results show that authigenic carbonate formation is a biogeochemical (microbial) process, which involves carbon from ancient sedimentary rocks, abiogenic methane, and bicarbonate-ion of hydrothermal fluids into the modern carbon cycle. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_785878 |
| institution | PANGAEA |
| language | en |
| publishDate | 2004 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Chemical and isotopic compositions of ocean authigenic carbonates Lein, Alla Yu Archive of Ocean Data; ARCOD Oceanic authigenic carbonates are classified according to origin of the carbonate carbon source using a complex methodology that includes methods of sedimentary petrography, mineralogy, isotope geochemistry, and microbiology. Mg-calcite (protodolomite) and aragonite predominate among the authigenic carbonates. All authigenic carbonates are depleted in 13C and enriched in 18O (in PDB system) that indicates biological fractionation of isotopes during carbonate formation. Obtained results show that authigenic carbonate formation is a biogeochemical (microbial) process, which involves carbon from ancient sedimentary rocks, abiogenic methane, and bicarbonate-ion of hydrothermal fluids into the modern carbon cycle. |
| title | Chemical and isotopic compositions of ocean authigenic carbonates |
| topic | Archive of Ocean Data; ARCOD |
| url | https://doi.org/10.1594/PANGAEA.785878 |