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  • 1,2-di-O-cis-11-hexadecyclene-sn-glycerol, δ13C; 2,6,10,15,19-pentamethylicosane δ13C; 2,6,11,15,19-pentamethylicosa-diene, δ13C; 2,6,11,15-tetramethylhexadecene, δ13C; Archaeol, δ13C; Center for Marine Environmental Sciences; Congo Fan; Crocetane, δ13C; Dialkyl glycerol diether with two alcohol side chains: sn1: C14:0; sn2: cyC17:0, δ13C; Dialkyl glycerol diether with two alcohol side chains: sn1: C16:1; sn2: cyC16:0, δ13C; Dialkyl glycerol diether with two alcohol side chains: sn1: C16:1; sn2: cyC17:0, δ13C; Elevation of event; Event label; GeoB8207-1; GeoB8212-2; Latitude of event; Longitude of event; M56/2; MARUM; Mass spectrometer Thermo Electron Delta plus XP; Meteor (1986); Sample code/label; sn2-Hydroxyarchaeol, δ13C; Television-Grab; TVG  (1)
  • 140; 157-1; 169; Bush Hill; Campeche Knoll; Center for Marine Environmental Sciences; Chapopote; GC; GeoB10618; Gravity corer; M67/2b; MARUM; Meteor (1986); OTEGA II; SO174/1; SO174/1_47-1; SO174/1_96; SO174/2; SO174/2_140; SO174/2_157-1; SO174/2_169; Sonne; Television-Grab; TVG  (1)
  • 157-2; 204-1247B; 204-1248C; 204-1249C; 204-1250C; Batumi Seep; BS360G; BS380GR; BS383G; Bush Hill; Center for Marine Environmental Sciences; Chapopote; Colkheti Seep; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Depth comment; DRILL; Drilling/drill rig; Elevation of event; Event label; GC; GC-18; GC-6; GeoB10618; GeoB11927; GeoB11956; GeoB9913-6; GeoB9931-1; GeoB9935-2; Geological sample; GEOS; Grain size, mean; Gravity corer; Indian Ocean; Joides Resolution; Latitude of event; Leg204; Longitude of event; M67/2b; M72/3a; M72/3b; MARUM; Meteor (1986); NGHP/01_10D; North Pacific Ocean; Number; Ocean Drilling Program; ODP; OTEGA II; Pechori Mound; Professor Logachev; Sample code/label; see reference(s); SO174/2; SO174/2_157-2; Sonne; Standard deviation; Television-Grab; Temperature, technical; TTR-15; TVG  (1)
  • 546; Center for Marine Environmental Sciences; GC_T; GeoB14302; Gravity Corer/temperature probe; Maria S. Merian; MARUM; MSM15/2  (1)
  • 2010-2014  (4)
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Schlagwörter
Verlag/Herausgeber
Erscheinungszeitraum
  • 2010-2014  (4)
Jahr
  • 1
    facet.materialart.
    Unbekannt
    Documentation of sediment core GeoB14302 (2011)
    PANGAEA
    Details
    Publikationsdatum: 2024-06-26
    Schlagwort(e): 546; Center for Marine Environmental Sciences; GC_T; GeoB14302; Gravity Corer/temperature probe; Maria S. Merian; MARUM; MSM15/2
    Materialart: Dataset
    Format: unknown
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATEN PANGAEA
  • 2
    facet.materialart.
    Unbekannt
    (Table 1) Stable carbon isotope compositions of biomarkers indicative for AOM-communities dominated by different ANME groups in two carbonate samples from Hydrate Hole pockmark (2010)
    PANGAEA
    Details
    Publikationsdatum: 2024-06-26
    Schlagwort(e): 1,2-di-O-cis-11-hexadecyclene-sn-glycerol, δ13C; 2,6,10,15,19-pentamethylicosane δ13C; 2,6,11,15,19-pentamethylicosa-diene, δ13C; 2,6,11,15-tetramethylhexadecene, δ13C; Archaeol, δ13C; Center for Marine Environmental Sciences; Congo Fan; Crocetane, δ13C; Dialkyl glycerol diether with two alcohol side chains: sn1: C14:0; sn2: cyC17:0, δ13C; Dialkyl glycerol diether with two alcohol side chains: sn1: C16:1; sn2: cyC16:0, δ13C; Dialkyl glycerol diether with two alcohol side chains: sn1: C16:1; sn2: cyC17:0, δ13C; Elevation of event; Event label; GeoB8207-1; GeoB8212-2; Latitude of event; Longitude of event; M56/2; MARUM; Mass spectrometer Thermo Electron Delta plus XP; Meteor (1986); Sample code/label; sn2-Hydroxyarchaeol, δ13C; Television-Grab; TVG
    Materialart: Dataset
    Format: text/tab-separated-values, 19 data points
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATEN PANGAEA
  • 3
    facet.materialart.
    Unbekannt
    Gas hydrate structures and C1-C5 hydrocarbons at individual sites in the Gulf of Mexico (2010)
    PANGAEA
    In:  Supplement to: Klapp, Stephan A; Bohrmann, Gerhard; Kuhs, Werner F; Murshed, Mangir M; Pape, Thomas; Klein, Helmut; Techmer, Kirsten S; Heeschen, Katja U; Abegg, Friedrich (2010): Microstructures of structure I and II gas hydrates from the Gulf of Mexico. Marine and Petroleum Geology, 27(1), 116-125, https://doi.org/10.1016/j.marpetgeo.2009.03.004
    Details
    Publikationsdatum: 2024-07-01
    Beschreibung: Gas hydrate samples from various locations in the Gulf of Mexico (GOM) differ considerably in their microstructure. Distinct microstructure characteristics coincide with discrete crystallographic structures, gas compositions and calculated thermodynamic stabilities. The crystallographic structures were established by X-ray diffraction, using both conventional X-ray sources and high-energy synchrotron radiation. The microstructures were examined by cryo-stage Field-Emission Scanning Electron Microscopy (FE-SEM). Good sample preservation was warranted by the low ice fractions shown from quantitative phase analyses. Gas hydrate structure II samples from the Green Canyon in the northern GOM had methane concentrations of 70-80% and up to 30% of C2-C5 of measured hydrocarbons. Hydrocarbons in the crystallographic structure I hydrate from the Chapopote asphalt volcano in the southern GOM was comprised of more than 98% methane. Fairly different microstructures were identified for those different hydrates: Pores measuring 200-400 nm in diameter were present in structure I gas hydrate samples; no such pores but dense crystal surfaces instead were discovered in structure II gas hydrate. The stability of the hydrate samples is discussed regarding gas composition, crystallographic structure and microstructure. Electron microscopic observations showed evidence of gas hydrate and liquid oil co-occurrence on a micrometer scale. That demonstrates that oil has direct contact to gas hydrates when it diffuses through a hydrate matrix.
    Schlagwort(e): 140; 157-1; 169; Bush Hill; Campeche Knoll; Center for Marine Environmental Sciences; Chapopote; GC; GeoB10618; Gravity corer; M67/2b; MARUM; Meteor (1986); OTEGA II; SO174/1; SO174/1_47-1; SO174/1_96; SO174/2; SO174/2_140; SO174/2_157-1; SO174/2_169; Sonne; Television-Grab; TVG
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATEN PANGAEA
  • 4
    facet.materialart.
    Unbekannt
    (Table 1) Mean grain sizes and standard deviations of gas hydrate samples (2010)
    PANGAEA
    In:  Supplement to: Klapp, Stephan A; Hemes, H; Klein, Helmut; Bohrmann, Gerhard; MacDonald, Ian R; Kuhs, Werner F (2010): Grain size measurements of natural gas hydrates. Marine Geology, 274(1-4), 85-94, https://doi.org/10.1016/j.margeo.2010.03.007
    Details
    Publikationsdatum: 2024-07-01
    Beschreibung: Methane hydrates are present in marine seep systems and occur within the gas hydrate stability zone. Very little is known about their crystallite sizes and size distributions because they are notoriously difficult to measure. Crystal size distributions are usually considered as one of the key petrophysical parameters because they influence mechanical properties and possible compositional changes, which may occur with changing environmental conditions. Variations in grain size are relevant for gas substitution in natural hydrates by replacing CH4 with CO2 for the purpose of carbon dioxide sequestration. Here we show that crystallite sizes of gas hydrates from some locations in the Indian Ocean, Gulf of Mexico and Black Sea are in the range of 200–400 µm; larger values were obtained for deeper-buried samples from ODP Leg 204. The crystallite sizes show generally a log-normal distribution and appear to vary sometimes rapidly with location.
    Schlagwort(e): 157-2; 204-1247B; 204-1248C; 204-1249C; 204-1250C; Batumi Seep; BS360G; BS380GR; BS383G; Bush Hill; Center for Marine Environmental Sciences; Chapopote; Colkheti Seep; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Depth comment; DRILL; Drilling/drill rig; Elevation of event; Event label; GC; GC-18; GC-6; GeoB10618; GeoB11927; GeoB11956; GeoB9913-6; GeoB9931-1; GeoB9935-2; Geological sample; GEOS; Grain size, mean; Gravity corer; Indian Ocean; Joides Resolution; Latitude of event; Leg204; Longitude of event; M67/2b; M72/3a; M72/3b; MARUM; Meteor (1986); NGHP/01_10D; North Pacific Ocean; Number; Ocean Drilling Program; ODP; OTEGA II; Pechori Mound; Professor Logachev; Sample code/label; see reference(s); SO174/2; SO174/2_157-2; Sonne; Standard deviation; Television-Grab; Temperature, technical; TTR-15; TVG
    Materialart: Dataset
    Format: text/tab-separated-values, 116 data points
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATEN PANGAEA
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