Geochemistry of pore water and sediments from Exmouth Plateau
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
1992
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| _version_ | 1867167665712267264 |
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| author | De Carlo, Eric Heinen |
| author_facet | De Carlo, Eric Heinen |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | During Leg 122, a transect was drilled across the Wombat Plateau, a marginal spur of the Exmouth Plateau, complemented by two sites on the Exmouth Plateau proper. In this report, pore-water analyses for major seawater constituents, alkalinity, Ba, Fe, Mn, Li, Sr, Rb, and silica are presented. Large gradients in the pore-water profiles provide evidence of complex sediment/pore-water interactions associated with carbonate and silica diagenesis and the formation of authigenic minerals. Diffusion affects pore-water profiles but differs considerably from site to site. Advection of freshwater, probably of continental origin, helps maintain negative Cl and salinity gradients deep within the sediments of the Exmouth Plateau. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_759927 |
| institution | PANGAEA |
| language | en |
| publishDate | 1992 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Geochemistry of pore water and sediments from Exmouth Plateau De Carlo, Eric Heinen 122-759B; 122-760A; 122-760B; 122-761B; 122-761C; 122-762A; 122-762B; 122-762C; 122-763A; 122-763B; 122-763C; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean During Leg 122, a transect was drilled across the Wombat Plateau, a marginal spur of the Exmouth Plateau, complemented by two sites on the Exmouth Plateau proper. In this report, pore-water analyses for major seawater constituents, alkalinity, Ba, Fe, Mn, Li, Sr, Rb, and silica are presented. Large gradients in the pore-water profiles provide evidence of complex sediment/pore-water interactions associated with carbonate and silica diagenesis and the formation of authigenic minerals. Diffusion affects pore-water profiles but differs considerably from site to site. Advection of freshwater, probably of continental origin, helps maintain negative Cl and salinity gradients deep within the sediments of the Exmouth Plateau. |
| title | Geochemistry of pore water and sediments from Exmouth Plateau |
| topic | 122-759B; 122-760A; 122-760B; 122-761B; 122-761C; 122-762A; 122-762B; 122-762C; 122-763A; 122-763B; 122-763C; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean |
| url | https://doi.org/10.1594/PANGAEA.759927 |