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Cardace, Dawn; Morris, Julie; Peacock, Aaron D; White, David C (2006): Phospholipid fatty acid and quinone composition of sediments from ODP Leg 205 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.775337, Supplement to: Cardace, D et al. (2006): Habitability of subseafloor sediments at the Costa Rica convergent margin. In: Morris, JD; Villinger, HW; Klaus, A (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 205, 1-26, https://doi.org/10.2973/odp.proc.sr.205.213.2006

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Abstract:
Assessing the habitability of deep-sea sediments undergoing compaction, compression, and subduction at convergent margins adds to our understanding of the limits of the terrestrial biosphere. In this work, we report exploratory biomarker data on sediments obtained at Ocean Drilling Program (ODP) Sites 1253, 1254, and 1255 during drilling at the Costa Rica subduction trench and forearc sedimentary wedge. The samples selected for postcruise biomarker analyses were located within intervals of potentially enhanced fluid flow within the décollement and sedimentary wedge fault zones (Sites 1254 and 1255) and within basal carbonates at the reference site (Site 1253). The passage of fluids that are geochemically distinct from ambient interstitial water provides a disequilibrium setting that may enhance habitability. Biomarker data show low levels of microbial biomass in subseafloor sediments sampled at the Costa Rica convergent margin as deep as ~370 meters below seafloor.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 9.654633 * Median Longitude: -86.184877 * South-bound Latitude: 9.647630 * West-bound Longitude: -86.190560 * North-bound Latitude: 9.661650 * East-bound Longitude: -86.179060
Date/Time Start: 2002-09-21T14:30:00 * Date/Time End: 2002-10-26T00:00:00
Event(s):
205-1253A * Latitude: 9.647630 * Longitude: -86.190560 * Date/Time Start: 2002-09-21T14:30:00 * Date/Time End: 2002-10-11T09:45:00 * Elevation: -4376.3 m * Penetration: 600 m * Recovery: 148.65 m * Location: North Pacific Ocean * Campaign: Leg205 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 43 cores; 230 m cored; 370 m drilled; 64.6 % recovery
205-1254A * Latitude: 9.661650 * Longitude: -86.179060 * Date/Time: 2002-10-11T00:00:00 * Elevation: -4182.8 m * Penetration: 367.5 m * Recovery: 125 m * Location: North Pacific Ocean * Campaign: Leg205 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 140.5 m cored; 227 m drilled; 89 % recovery
205-1255A * Latitude: 9.654530 * Longitude: -86.185810 * Date/Time: 2002-10-26T00:00:00 * Elevation: -4311.6 m * Penetration: 157 m * Recovery: 7.22 m * Location: North Pacific Ocean * Campaign: Leg205 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 4 cores; 34 m cored; 123 m drilled; 21.2 % recovery
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. Cardace, D; Morris, J; Peacock, AD et al. (2006): (Table T2) Phospholipid fatty acid components in sediments of three ODP Leg 205 sites. https://doi.org/10.1594/PANGAEA.775330
  2. Cardace, D; Morris, J; Peacock, AD et al. (2006): (Table T3) Quinone indices for sediment samples from Leg 205 sites. https://doi.org/10.1594/PANGAEA.775331
  3. Cardace, D; Morris, J; Peacock, AD et al. (2006): (Table T1) Ubiquinones and menaquinones as biomarkers in sediments of three ODP Leg 205 sites. https://doi.org/10.1594/PANGAEA.775329