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  • 1,1,2-trimethylpentane per unit sediment mass; 1,1,3-trimethylpentane per unit sediment mass; 1,1-Dimethylcyclohexane per unit sediment mass; 1,1-Dimethylcyclopentane per unit sediment mass; 1,3-Dimethylcyclopentene per unit sediment mass; 1,cis-2-Dimethylcyclopentane per unit sediment mass; 1,cis-3-Dimethylcyclopentane per unit sediment mass; 1,trans-2,cis-4-trimethylcyclopentane per unit sediment mass; 1-cis-2-dimethylcyclohexane per unit sediment mass; 1-cis-2-trans-3-trimethylcyclopentane per unit sediment mass; 1-cis-2-trans-4-trimethylcyclopentane per unit sediment mass; 1-trans-2-dimethylcyclohexane per unit sediment mass; 1 trans-2-Dimethylcyclopentane per unit sediment mass; 1 trans-3-Dimethylcyclopentane per unit sediment mass; 1-trans-4-dimethylcyclohexane per unit sediment mass; 2,2,3-trimethylbutane per unit sediment mass; 2,2-Dimethylbutane per unit sediment mass; 2,2-dimethylhexane per unit sediment mass; 2,2-Dimethylpentane per unit sediment mass; 2,2-Dimethylpropane per unit sediment mass; 2,3,4-trimethylpentane per unit sediment mass; 2,3-Dimethylbutane per unit sediment mass; 2,3-Dimethylpentane per unit sediment mass; 2,4-dimethylhexane per unit sediment mass; 2,4-Dimethylpentane per unit sediment mass; 2,5-Dimethylhexane per unit sediment mass; 2-Methylhexane per unit sediment mass; 2-Methylpentane per unit sediment mass; 3,3-Dimethylpentane per unit sediment mass; 3-Ethylpentane per unit sediment mass; 3-Methylheptane per unit sediment mass; 3-Methylpentane per unit sediment mass; 63-467; 63-468; 63-468B; 63-469; 63-471; Benzene per unit sediment mass; C1 hydrocarbons; C2+C3 hydrocarbons per unit sediment mass; C4-C7 hydrocarbons per unit sediment mass; C8 hydrocarbons per unit sediment mass; Carbon, organic, total; Carbon, total; Cyclohexane per unit sediment mass; Cyclopentane per unit sediment mass; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Epoch; Ethane per unit sediment mass; Ethylbenzene per unit sediment mass; Ethylcyclopentane per unit sediment mass; Event label; Glomar Challenger; Isobutane per unit sediment mass; Isopentane per unit sediment mass; Latitude of event; Leg63; Lithology/composition/facies; Longitude of event; Methane per unit sediment mass; Methylcyclohexane per unit sediment mass; Methylcyclopentane per unit sediment mass; n-Butane per unit sediment mass; n-Heptane per unit sediment mass; n-Hexane per unit sediment mass; n-Octane per unit sediment mass; North Pacific/ESCARPMENT; North Pacific/FAN; North Pacific/GAP; n-Pentane per unit sediment mass; Propane per unit sediment mass; Sample code/label; see reference(s); Toluene per unit sediment mass  (1)
  • 117-722A; 117-722B; 117-723A; 117-728A; Arabian Sea; DRILL; Drilling/drill rig; Indian Ocean; Joides Resolution; Leg117; Ocean Drilling Program; ODP; PC; Piston corer; RC27; RC27-09; RC27-12; RC27-14; RC27-23; RC27-24; Robert Conrad  (1)
  • 63-467; 64-481A; 75-530A; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg63; Leg64; Leg75; North Pacific/GAP; North Pacific/Gulf of California/BASIN; South Atlantic/RIDGE  (1)
Collection
Keywords
Publisher
Years
  • 1
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    Unknown
    C1-C8 hydrocarbons in marine sediments
    PANGAEA
    In:  Supplement to: Whelan, Jean K; Hunt, John M; Jasper, John P; Huc, Alain Y (1984): Migration of C1-C8 hydrocarbons in marine sediment. Organic Geochemistry, 6, 683-694, https://doi.org/10.1016/0146-6380(84)90089-5
    Details
    Publication Date: 2023-06-27
    Description: Light hydrocarbon (C1-C8) profiles are compared for three wells of varying maturities: two immature DSDP wells (Site 397 near the Canary Islands and Site 530A near the Walvis Ridge in the south-east Atlantic) and a mature well, the East Cameron well in the Texas Gulf Coast. Primary migration of C1 and C2 appears to be occurring in all of the sedimentary rocks examined. Primary migration of C3+ components becomes important only as fine-grained sedimentary rocks enter the catagenetic hydrocarbon generation zone or over short distances in more permeable sections. Lateral migration along bedding planes was more important than vertical migration in sedimentary rocks of all maturities. The lightest (methane, ethane and propane gases) hydrocarbon show greater fractionation than do the C4-C8 alkanes which generally show minimal fractionation during the migrational process. Subsurface diffusion coefficients for these p.p.b. quantities of C2-C5 alkanes from immature sediments from DSDP Site 530 are estimated to be several orders of magnitude less than values reported in the literature for diffusion of much larger amounts of these compounds from mature water wet sediments into air or sandstones. Since our calculations suggest light hydrocarbons are present in amounts less than their reported solubilities in pure water at 25°C, we postulate that the sediment organic matter has a substantial effect on retarding the movement of these light hydrocarbons.
    Keywords: 63-467; 64-481A; 75-530A; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg63; Leg64; Leg75; North Pacific/GAP; North Pacific/Gulf of California/BASIN; South Atlantic/RIDGE
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    (Table 1) C1 - C8 volatile compounds in sediments from DSDP Leg 63 Holes
    PANGAEA
    In:  Supplement to: Whelan, Jean K; Hunt, John M (1981): C1-C8 hydrocarbons in IPOD Leg 63 sediments from outer California and Baja California borderlands. In: Yeats, RS; Haq, BU; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 63, 775-784, https://doi.org/10.2973/dsdp.proc.63.132.1981
    Details
    Publication Date: 2023-06-27
    Description: Low-temperature diagenetic reactions (less than 50°C) are held responsible for the generation of small amounts of C1-C8 hydrocarbons (less than 100 ng hydrocarbon/g dry weight of sediment) at outer continental shelf Deep Sea Drilling Project Sites 468 and 469 (sub-bottom depths 415 m and 454 m, respectively). In contrast, Site 471 shows an exponential rise in hydrocarbon yields at depths greater than 500 meters. The high yields of C4-C8 hydrocarbons (up to 30 ng hydrocarbon/g dry weight of sediment) in this area of high geothermal and volcanic activity suggest the penetration of an active petroleum-generating zone. Similar arguments apply to Site 467, where relatively high levels (up to 3 µg hydrocarbon/g dry weight sediment) occurred in very shallow (250-600 m) sediments.
    Keywords: 1,1,2-trimethylpentane per unit sediment mass; 1,1,3-trimethylpentane per unit sediment mass; 1,1-Dimethylcyclohexane per unit sediment mass; 1,1-Dimethylcyclopentane per unit sediment mass; 1,3-Dimethylcyclopentene per unit sediment mass; 1,cis-2-Dimethylcyclopentane per unit sediment mass; 1,cis-3-Dimethylcyclopentane per unit sediment mass; 1,trans-2,cis-4-trimethylcyclopentane per unit sediment mass; 1-cis-2-dimethylcyclohexane per unit sediment mass; 1-cis-2-trans-3-trimethylcyclopentane per unit sediment mass; 1-cis-2-trans-4-trimethylcyclopentane per unit sediment mass; 1-trans-2-dimethylcyclohexane per unit sediment mass; 1 trans-2-Dimethylcyclopentane per unit sediment mass; 1 trans-3-Dimethylcyclopentane per unit sediment mass; 1-trans-4-dimethylcyclohexane per unit sediment mass; 2,2,3-trimethylbutane per unit sediment mass; 2,2-Dimethylbutane per unit sediment mass; 2,2-dimethylhexane per unit sediment mass; 2,2-Dimethylpentane per unit sediment mass; 2,2-Dimethylpropane per unit sediment mass; 2,3,4-trimethylpentane per unit sediment mass; 2,3-Dimethylbutane per unit sediment mass; 2,3-Dimethylpentane per unit sediment mass; 2,4-dimethylhexane per unit sediment mass; 2,4-Dimethylpentane per unit sediment mass; 2,5-Dimethylhexane per unit sediment mass; 2-Methylhexane per unit sediment mass; 2-Methylpentane per unit sediment mass; 3,3-Dimethylpentane per unit sediment mass; 3-Ethylpentane per unit sediment mass; 3-Methylheptane per unit sediment mass; 3-Methylpentane per unit sediment mass; 63-467; 63-468; 63-468B; 63-469; 63-471; Benzene per unit sediment mass; C1 hydrocarbons; C2+C3 hydrocarbons per unit sediment mass; C4-C7 hydrocarbons per unit sediment mass; C8 hydrocarbons per unit sediment mass; Carbon, organic, total; Carbon, total; Cyclohexane per unit sediment mass; Cyclopentane per unit sediment mass; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Epoch; Ethane per unit sediment mass; Ethylbenzene per unit sediment mass; Ethylcyclopentane per unit sediment mass; Event label; Glomar Challenger; Isobutane per unit sediment mass; Isopentane per unit sediment mass; Latitude of event; Leg63; Lithology/composition/facies; Longitude of event; Methane per unit sediment mass; Methylcyclohexane per unit sediment mass; Methylcyclopentane per unit sediment mass; n-Butane per unit sediment mass; n-Heptane per unit sediment mass; n-Hexane per unit sediment mass; n-Octane per unit sediment mass; North Pacific/ESCARPMENT; North Pacific/FAN; North Pacific/GAP; n-Pentane per unit sediment mass; Propane per unit sediment mass; Sample code/label; see reference(s); Toluene per unit sediment mass
    Type: Dataset
    Format: text/tab-separated-values, 1626 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Hydrocarbons of sediments of the Oman shelf (1991)
    PANGAEA
    In:  Supplement to: Emeis, Kay-Christian; Whelan, Jean K (1991): Pyrolytic character of organic matter in Cenozoic sediments on the Oman shelf. In: Prell, WL; Niitsuma, N; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 117, 547-560, https://doi.org/10.2973/odp.proc.sr.117.158.1991
    Details
    Publication Date: 2024-01-09
    Description: Analysis of the molecular composition and quantity of pyrolytic hydrocarbons in 41 samples from Owen Ridge and the Oman margin enabled us to identify chemical differences in the organic matter from Owen Ridge and the Oman margin. The differences may be attributed to regional variability in organic matter composition between margin and ridge, effects of kerogen formation and condensation with age, and effects of changes in the depositional environment on the Oman margin. Pyrolytic hydrocarbons from ridge sediments are relatively more enriched in heterocompounds, aromatic molecules, and '-alkanes and n-monoalkenes in the range n-C9 to n-C14 when compared to margin sediments. This may be indicative of input of degraded organic material on Owen Ridge and less degraded material on the Oman margin. Increases of long-chain n-alkanes and rt-monoalkenes with depth in sediments from the Oman margin are a result of the concentration of precursor moieties in the kerogen during low-temperature diagenesis. Differences in the depositional environment during deposition of sediments on the Oman margin (changes in the oxygen content of bottom waters and changing benthic activity in a variable oxygen minimum zone) appear to be mirrored in the distribution of monounsaturated isoprenoid hydrocarbons prist-1-ene and prist-2-ene and alkylbenzene.
    Keywords: 117-722A; 117-722B; 117-723A; 117-728A; Arabian Sea; DRILL; Drilling/drill rig; Indian Ocean; Joides Resolution; Leg117; Ocean Drilling Program; ODP; PC; Piston corer; RC27; RC27-09; RC27-12; RC27-14; RC27-23; RC27-24; Robert Conrad
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
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