General descriptions, organic contents and ratios of geolipid components at DSDP Holes 75-530B and 75-532
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| Main Authors: | , |
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
1984
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| _version_ | 1867170465183694848 |
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| author | Meyers, Philip A Dunham, Keith W |
| author_facet | Meyers, Philip A Dunham, Keith W |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Distributions of free and bound n-alkanes, n-alkanoic acids, and n-alkanols were determined in order to compare the character of organic matter contained in organic-carbon-rich sediments from two sites sampled by the hydraulic piston corer. Two diatomaceous debris-flow samples of Pleistocene age were obtained from Hole 530B in the Angola Basin. A sample of bioturbated Pleistocene diatomaceous clay and another of bioturbated late Miocene nannofossil clay were collected from Hole 532 on the Walvis Ridge. Geolipid distributions of all samples contain large terrigenous contributions and lesser amounts of marine components. Similarities in organic matter contents of Hole 530B and Hole 532 sediments suggest that a common depositional setting, probably on the Walvis Ridge, was the original source of these sediments through Quaternary, and possibly late Neogene, times and that downslope relocation of these biogenic deposits has frequently occurred. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_810267 |
| institution | PANGAEA |
| language | en |
| publishDate | 1984 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | General descriptions, organic contents and ratios of geolipid components at DSDP Holes 75-530B and 75-532 Meyers, Philip A Dunham, Keith W 75-530B; 75-532; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg75; South Atlantic/RIDGE; South Atlantic Ocean Distributions of free and bound n-alkanes, n-alkanoic acids, and n-alkanols were determined in order to compare the character of organic matter contained in organic-carbon-rich sediments from two sites sampled by the hydraulic piston corer. Two diatomaceous debris-flow samples of Pleistocene age were obtained from Hole 530B in the Angola Basin. A sample of bioturbated Pleistocene diatomaceous clay and another of bioturbated late Miocene nannofossil clay were collected from Hole 532 on the Walvis Ridge. Geolipid distributions of all samples contain large terrigenous contributions and lesser amounts of marine components. Similarities in organic matter contents of Hole 530B and Hole 532 sediments suggest that a common depositional setting, probably on the Walvis Ridge, was the original source of these sediments through Quaternary, and possibly late Neogene, times and that downslope relocation of these biogenic deposits has frequently occurred. |
| title | General descriptions, organic contents and ratios of geolipid components at DSDP Holes 75-530B and 75-532 |
| topic | 75-530B; 75-532; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg75; South Atlantic/RIDGE; South Atlantic Ocean |
| url | https://doi.org/10.1594/PANGAEA.810267 |