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Whelan, Jean K; Burton, Christine (1987): C1-C8 hydrocarbons at DSDP Site 93-603 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.789259, Supplement to: Whelan, JK; Burton, C (1987): C1–C8 hydrocarbons in sediments from the lower continental rise, Deep Sea Drilling Project Site 603. In: van Hinte, JE; Wise, SW Jr; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 93, 1231-1236, https://doi.org/10.2973/dsdp.proc.93.154.1987

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Abstract:
Small amounts of C1-C8 hydrocarbons were detected in continental rise sediments from DSDP Site 603. Organiccarbon- lean sections contained only C1-C3 compounds believed to have migrated from organic-carbon-rich sections. Heavier (C4-C8) hydrocarbons were found only in organic-carbon-rich sections. Restricted and sporadic distribution of C4-C6 compounds in 0-1100 m sub-bottom sediments suggest low-temperature (<20°C) biological/chemical generation processes. Increased C4-C8 concentrations and complexity, including unusually high levels of xylene, were detected in two deeper Cretaceous sections (603-34-2, 134 cm and 603-81-3, 120 cm). This behavior, which was not observed in 17 other samples from sub-bottom depths greater than 1100 m, is similar to that observed in immature surface sediments from the geothermally active Guaymas Basin (Gulf of California) area.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 35.495406 * Median Longitude: -70.029172 * South-bound Latitude: 35.495200 * West-bound Longitude: -70.031000 * North-bound Latitude: 35.496300 * East-bound Longitude: -70.028500
Date/Time Start: 1983-05-05T00:00:00 * Date/Time End: 1983-05-05T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Whelan, JK; Burton, C (1987): (Table 1) Concentrations of C1-C5 hydrocarbons at DSDP Site 93-603. https://doi.org/10.1594/PANGAEA.789257
  2. Whelan, JK; Burton, C (1987): (Table 2) C6-C8 hydrocarbons at DSDP Site 93-603. https://doi.org/10.1594/PANGAEA.789286
  3. Whelan, JK; Burton, C (1987): (Table 3) C1-C5 hydrocarbons normalized to organic carbon at DSDP Hole 93-603B. https://doi.org/10.1594/PANGAEA.789258