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Peng, Pingan; Yu, Chiling; Jia, Guodong; Hu, Jianfang; Song, Jianzhong; Zhang, Gan (2004): (Table T1) N-alkane, n-alcohol and n-fatty acid concentrations in ODP Site 184-1147 and 184-1148 sediments. PANGAEA, https://doi.org/10.1594/PANGAEA.785032, Supplement to: Peng, P et al. (2004): Data report: Marine and terrigenous lipids in the sediments from the South China Sea, Site 1148, Leg 184. In: Prell, WL; Wang, P; Blum, P; Rea, DK; Clemens, SC (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 184, 1-16, https://doi.org/10.2973/odp.proc.sr.184.209.2004

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Abstract:
Lipid compositions of sediments recovered during Ocean Drilling Program Leg 184 in the South China Sea have been identified and quantified. The identified lipids can be ascribed to terrigenous and marine sources. Terrigenous lipids are mainly C27, C29, C31 n-alkanes, C26, C28, C30 n-fatty acids, and n-alcohols, which were derived from leaf waxes of higher land plants and transported to the sea by airborne dust or fresh water. Marine lipids, mainly C37 and C38 alkenones, C30 diol, and C30 and C32 keto-ols, were from microalgae, notably haptophytes and eustigmatophytes. Elevated concentrations and accumulation rates of both terrigenous and marine lipids in the interval 202-245 meters composite depth (mcd) and 0-166 mcd were postulated to be related to the development of the East Asian monsoon at 6-8 Ma and enhanced variations of the developed East Asian monsoon after 3.2 Ma, respectively. The pronounced late Oligocene input of terrigenous lipids reflects the paleoenvironment of a newly opened, narrow basin, with restricted ocean waters and the proximity of continental runoff.
Project(s):
Coverage:
Median Latitude: 18.835650 * Median Longitude: 116.560133 * South-bound Latitude: 18.835150 * West-bound Longitude: 116.554617 * North-bound Latitude: 18.836150 * East-bound Longitude: 116.565650
Date/Time Start: 1999-03-29T00:00:00 * Date/Time End: 1999-04-10T00:00:00
Minimum DEPTH, sediment/rock: 0.56 m * Maximum DEPTH, sediment/rock: 580.86 m
Event(s):
184-1147 * Latitude: 18.835150 * Longitude: 116.554617 * Date/Time Start: 1999-03-29T00:00:00 * Date/Time End: 1999-03-30T00:00:00 * Elevation: -3245.5 m * Penetration: 245.5 m * Recovery: 243.8 m * Location: South China Sea * Campaign: Leg184 * Basis: Joides Resolution * Device: Composite Core (COMPCORE) * Comment: 27 cores; 245.5 m cored; 0 m drilled; 99.3% recovery
184-1148 * Latitude: 18.836150 * Longitude: 116.565650 * Date/Time Start: 1999-03-30T00:00:00 * Date/Time End: 1999-04-10T00:00:00 * Elevation: -3294.5 m * Penetration: 1557.2 m * Recovery: 996.5 m * Location: South China Sea * Campaign: Leg184 * Basis: Joides Resolution * Device: Composite Core (COMPCORE) * Comment: 133 cores; 1204.6 m cored; 352.6 m drilled; 82.7% recovery
Comment:
DEPTH, sediment is given in mbsf.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Sample code/labelSample labelPeng, PinganODP sample designation
3DEPTH, sediment/rockDepthmGeocode
4Depth, compositeDepth compmcdPeng, Pingan
5n-Alkane C27+C29+C31 per unit sediment massn-Alka C27+C29+C31/sedµg/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
6n-Alkanol long chain alcohols C26+C28+C30 per unit sediment massC26+C28+C30 n-A.ol/sedµg/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
7Long-chain fatty acids C26+C28+C30 per unit sediment massC26+C28+C30 FA/sedµg/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
8Alkenone, C37:2MeK37:2mng/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
9Alkenone, C37:3MeK37:3mng/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
10Alkenone, C38:2EtK38:2eng/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
11Alkenone, C38:2MeC38:2Meng/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
12C30 diolC30 diolµg/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
13Keto-ol, C30 per unit sediment massKeto-ol C30/sedµg/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
14Keto-ol, C32 per unit sediment massKeto-ol C32/sedµg/gPeng, PinganGas chromatography - Mass spectrometry (GC-MS)
Size:
3684 data points

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