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  • 1
    Electronic Resource
    Electronic Resource
    ^1^3C^1^2c ratios in individual fatty acids of marine mytilids with and without bacterial symbionts
    Amsterdam : Elsevier
    Organic Geochemistry 21 (1994), S. 611-617 
    Details
    ISSN: 0146-6380
    Keywords: bacterial symbionts ; compound-specific carbon isotope analysis ; estuary ; fatty acids ; hydrocarbon seep ; methyl esters ; mytilids
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0146-6380(94)90007-8
    Location Call Number Limitation Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
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    (Table 1) Vitrinite reflectance, organic carbon contents and yields of bitumen, kerogen pyrolysates and hydrocarbons in kerogen pyrolysates of DSDP Leg 75 samples
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 75-530A; 75-532; Bitumen; Carbon, organic, total; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Event label; Glomar Challenger; Hydrocarbon yield; Leg75; Lithology/composition/facies; Mass; Sample code/label; South Atlantic; South Atlantic/RIDGE; Vitrinite reflection
    Type: Dataset
    Format: text/tab-separated-values, 40 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Hydrous and anhydrous pyrolysis of DSDP Leg 75 kerogens
    PANGAEA
    In:  Supplement to: Comet, P A; McEvoy, James; Giger, W; Douglas, A G (1986): Hydrous and anhydrous pyrolysis of DSDP Leg 75 kerogens - A comparative study using a biological marker approach. Organic Geochemistry, 9(4), 171-182, https://doi.org/10.1016/0146-6380(86)90067-7
    Details
    Publication Date: 2023-06-27
    Description: The aliphatic hydrocarbon distributions obtained from the natural bitumens of three Leg 75 sediments were compared using computerised gas chromatography-mass spectrometry (C-GC-MS). The kerogens isolated from these sediments were heated in sealed tubes at 330°C using the techniques of hydrous (i.e. heating kerogen in the presence of water) and anhydrous pyrolysis (i.e. heating dry kerogen alone). These experiments were then repeated at a lower temperature (280°C). At 330°C, under anhydrous conditions, considerable destruction of biomarkers in the ancient kerogens (i.e. pre-Tertiary) occurred, whereas with water present significant amounts of hopanes were obtained. However, with more recent kerogens (which contain larger amounts of chemically bound water), both anhydrous and hydrous pyrolysis gave a similar suite of biological markers, in which long chain acyclic isoprenoids (C40) are significant components. Lowering the temperature of pyrolysis to 280°C yielded biological markers under both hydrous and anhydrous conditions for all kerogens. n-Alkenes were not detected in any of the pyrolysates; however, a single unknown triterpene was discovered in several of the hydrous and anhydrous pyrolysates. The results tentatively indicate that the chief value to petroleum research of kerogen hydrous pyrolysis lies in its ability to increase the yield of pyrolysate. High temperature hydrous pyrolysis (280-330°C), under high pressure (2000 psi), does not appear to mimic natural conditions of oil generation. However, this study does not take into account whole rock pyrolysis.
    Keywords: 75-530A; 75-532; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg75; South Atlantic; South Atlantic/RIDGE
    Type: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
  • 4
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    Organic carbon, age, lithology, and CPI-alkenes at DSDP Sites 57-440 and 56-436
    PANGAEA
    In:  Supplement to: Brassell, Simon C; Comet, P A; Eglinton, Geoffrey; Isaacson, P J; McEvoy, James; Maxwell, James R; Thomson, I D; Tibbetts, P J C; Volkman, John K (1980): Preliminary lipid analyses of Sections 440A-7-6, 440B-3-5, 440B-8-4, 440B-68-2, and 436-11-4: Legs 56 and 57, Deep Sea Drilling Project. In: Scientific Party, Initial Reports of the Deep Sea Drilling Project, 56/57 (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 56-57, 1367-1390, https://doi.org/10.2973/dsdp.proc.5657.170.1980
    Details
    Publication Date: 2023-06-27
    Description: "Bound" and "free" solvent-extractable lipids have been examined from Sections 440A-7-6, 440B-3-5, 440B-8-4, 440B-68-2, and 436-11-4. The compound classes studied include aliphatic and aromatic hydrocarbons, ketones, alcohols, and carboxylic acids. Carotenoids and humic acids have also been examined. The quantitative results are considered in terms of input indicators, diagenesis parameters, and structural classes. A difference in input is deduced across the Japan Trench, with a higher proportion of autochthonous components on the western inner trench slope compared with the more easterly, outer trench, wall and greater input in the early Pleistocene than in the Miocene. A variety of diagenetic transformations is observed at Site 440 as sample depth increases. Results are compared with those of samples from Atlantic Cretaceous sediments and from the Walvis Bay high productivity area.
    Keywords: 56-436; 57-440A; 57-440B; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg56; Leg57; North Pacific/RIDGE; North Pacific/TRENCH
    Type: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
  • 5
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    (Table 2) Aliphatic and aromatic hydrocarbons in pyrolysates of DSDP Leg 75 samples
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 75-530A; 75-532; Aliphatic hydrocarbons; Aromatic hydrocarbon fraction; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Event label; Glomar Challenger; Leg75; Sample code/label; South Atlantic; South Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 23 data points
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    DATA PANGAEA
  • 6
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    (Table 1) Organic carbon, age and lithology at DSDP Sites 57-440 and 56-436
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 56-436; 57-440A; 57-440B; Carbon, organic, total; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Epoch; Event label; Glomar Challenger; Latitude of event; Leg56; Leg57; Lithology/composition/facies; Longitude of event; North Pacific/RIDGE; North Pacific/TRENCH; Sample code/label; Sample mass; SPEC; Spectrophotometer
    Type: Dataset
    Format: text/tab-separated-values, 25 data points
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    DATA PANGAEA
  • 7
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    (Table 2) Normal alkane carbon preference indices at DSDP Sites 57-440 and 56-436
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 56-436; 57-440A; 57-440B; Carbon Preference Index, n-Alkanes; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg56; Leg57; Longitude of event; North Pacific/RIDGE; North Pacific/TRENCH; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 20 data points
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    DATA PANGAEA
  • 8
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    (Table 3) Abundance of acyclic isoprenoid alkanes/alkenes at DSDP Sites 57-440 and 56-436
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: -; 56-436; 57-440A; 57-440B; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg56; Leg57; Longitude of event; North Pacific/RIDGE; North Pacific/TRENCH; Phytane; Phytene; Pristane; Pristane/Phytane ratio; Sample code/label; Squalane, C30H62
    Type: Dataset
    Format: text/tab-separated-values, 42 data points
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    DATA PANGAEA
  • 9
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    (Table 1) Lithology and total organic carbon at DSDP Hole 61-462
    PANGAEA
    In:  Supplement to: Thomson, I D; Brassell, Simon C; Comet, P A; Eglinton, Geoffrey; Isaacson, P J; McEvoy, James; Maxwell, James R (1981): Preliminary lipid analyses of Cores 49, 54, and 59 from Hole 462. In: Larson, RL; Schlanger, SO; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 61, 613-618, https://doi.org/10.2973/dsdp.proc.61.118.1981
    Details
    Publication Date: 2023-06-27
    Description: The solvent-extractable lipids of Sections 462-49-4 (lower Maestrichtian), 462-54-2 (Campanian), and 462-59-1 (Cenomanian), from the Nauru Basin, were investigated for aliphatic and aromatic hydrocarbons, ketones, alcohols, and acids, after separation into acid and neutral fractions. Detailed analyses of the total neutral fraction revealed only n-alkanes, steranes, and triterpanes present in sufficient concentration (〉0.5 ng/100 g dry sediment for individual compounds) for component recognition. N-alkanes (C19-C35) constitute the major component of each section, with the most abundant present as 10 (n-C24), 135 (n-C29), 17 (n-C26) ng/100 g dry sediment in Sections 462-49-4, 462-54-2, and 462-59-1, respectively. The results suggest a high degree of thermal maturity of the lipids, which is interpreted in terms of the high geothermal gradient (about 50°C/km) and the regional volcanicity. The lipid data also suggest that the major source of organic matter was terrestrial and that deposition took place in a low-productivity oxic environment.
    Keywords: 61-462; AGE; Carbon, organic, total; Comment; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Element analyser CHN; Glomar Challenger; Leg61; Lithology/composition/facies; Sample, dry mass; Sample code/label; Sample code/label 2; Stage
    Type: Dataset
    Format: text/tab-separated-values, 19 data points
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    DATA PANGAEA
  • 10
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    (Table 6) Relative abundance and major strutural types of hydrocarbons in each DSDP Leg 75 kerogen pyrolysate (1986)
    PANGAEA
    Details
    Publication Date: 2023-10-13
    Keywords: 75-530A; 75-532; C40 Acyclic isoprenoid; Deep Sea Drilling Project; Diterpenoids; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Event label; Glomar Challenger; Hopanoid; Leg75; n-Alkane; Sample code/label; Sample comment; South Atlantic; South Atlantic/RIDGE; Sterane; Steroids
    Type: Dataset
    Format: text/tab-separated-values, 113 data points
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    DATA PANGAEA
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