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Zink, Klaus-Gerhard; Wilkes, Heinz; Disko, Ulrich; Elvert, Marcus; Horsfield, Brian (2003): Phospholipids in ODP Leg 190 samples (Table 2). PANGAEA,, Supplement to: Zink, K-G et al. (2003): Intact phospholipids - microbial life markers in marine deep subsurface sediments. Organic Geochemistry, 34(6), 755-769,

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Deep subsurface sediments from the Nankai Trough, Japan Sea, ODP Leg 190, sites 1173, 1174, 1177, and near-surface sediments from Hydrate Ridge, NE-Pacific have been analysed by high performance liquid chromatography (HPLC)–electrospray ionisation (ESI)-mass spectrometry (MS). The main objective was to utilize the presence of intact phospholipids as a direct indicator of viable microorganisms. The extracts of Nankai Trough sediments were found to contain a variety of phospholipid (PL) structures, well-known to stem from microorganisms, to depths as great as 745 mbsf and in situ temperatures as high as 85 °C. In addition, high relative amounts of lysophospholipids (e.g. lysophosphatidylcholines) exceeding those of the regular phospholipids were detected. Diglyceride mass fragments of various PLs have been assigned to fatty acyl side-chains of typical chain length (C14, C16, C18, C20) and degree of unsaturation (zero, one or two double bonds). Similar results were obtained for the phospholipid distribution in extracts of organic matter-rich Hydrate Ridge sediments. To date, the enhanced occurrence of lysophospholipids cannot be explained completely but a response to increasing thermal and ecological stress seems probable.
Median Latitude: 32.079736 * Median Longitude: 134.664493 * South-bound Latitude: 31.652510 * West-bound Longitude: 134.011880 * North-bound Latitude: 32.342317 * East-bound Longitude: 135.025150
Date/Time Start: 2000-05-07T17:30:00 * Date/Time End: 2000-06-30T02:22:00
Minimum DEPTH, sediment/rock: 1.00 m * Maximum DEPTH, sediment/rock: 799.07 m
190-1173A * Latitude: 32.244380 * Longitude: 135.025150 * Date/Time Start: 2000-05-28T12:02:00 * Date/Time End: 2000-06-07T04:45:00 * Elevation: -4790.7 m * Penetration: 734.3 m * Recovery: 658.1 m * Location: Philippine Sea * Campaign: Leg190 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 77 cores; 734.3 m cored; 0 m drilled; 89.6 % recovery
190-1174 * Latitude: 32.342317 * Longitude: 134.956450 * Date/Time Start: 2000-06-07T00:00:00 * Date/Time End: 2000-06-22T00:00:00 * Elevation: -4751.2 m * Penetration: 1193.9 m * Recovery: 624.6 m * Location: Philippine Sea * Campaign: Leg190 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 111 cores; 1050.2 m cored; 143.7 m drilled; 59.5% recovery
190-1177A * Latitude: 31.652510 * Longitude: 134.011880 * Date/Time Start: 2000-06-30T02:22:00 * Date/Time End: 2000-05-07T17:30:00 * Elevation: -4844.3 m * Penetration: 833.9 m * Recovery: 282.74 m * Location: Philippine Sea * Campaign: Leg190 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 56 cores; 533.7 m cored; 300.2 m drilled; 53 % recovery
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Sample code/labelSample labelZink, Klaus-GerhardDSDP/ODP/IODP sample designation
3DEPTH, sediment/rockDepthmGeocode
4Carbon, organic, totalTOC%Zink, Klaus-Gerhard
5Sample massSamp mgZink, Klaus-Gerhardsediment initial weight
6ExtractExtractµg/gZink, Klaus-Gerhardextraction yield
7DescriptionDescriptionZink, Klaus-Gerhardidentified intact phospholipids (main m/z value), n.i.c. = not identified
8Phospholipids per unit mass total organic carbonPhoslip/TOCµg/gZink, Klaus-Gerhardsemiquantitative concentrations, # = assignment of detected compounds to the PL class uncertain
9Phospholipids per unit sediment massPhoslip/sedmg/kgZink, Klaus-Gerhard
91 data points

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