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Total organic carbon, delta13C, biomarker, gas compilations and hopanoids analysis from IODP Sites 307-U1317 and 307-U1318 (2011)

Mangelsdorf, Kai ; Zink, Klaus-Gerhard ; di Primio, Rolando ; [weitere]

PANGAEA

In: Supplement to: Mangelsdorf, Kai; Zink, Klaus-Gerhard; di Primio, Rolando; Horsfield, Brian (2011): Microbial lipid markers within and adjacent to Challenger Mound in the Belgica carbonate mound province, Porcupine Basin, offshore Ireland (IODP Expedition 307). Marine Geology, 282(1-2), 91-101, https://doi.org/10.1016/j.margeo.2010.05.007

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Publikationsdatum: 2023-06-27

Beschreibung: During the Integrated Ocean Drilling Program (IODP) Expedition 307 for the first time a cold-water coral carbonate mound was drilled down through its base into the underlying sediments. In the current study, sample material from within and below Challenger Mound, located in the Belgica carbonate mound province in the Porcupine Basin offshore Ireland, was investigated for its distribution of microbial communities and gas composition using biogeochemical and geochemical approaches to elucidate the question on the initiation of carbonate mounds. Past and living microbial populations are lower in the mound section compared to the underlying sediments or sediments of an upslope reference site. A reason for this might be a reduced substrate feedstock, reflected by low total organic carbon (TOC) contents, in the once coral dominated mound sequence. In contrast, in the reference site a lithostratigraphic sequence with comparatively high TOC contents shows higher abundances of both past and present microbial communities, indicating favourable living conditions from time of sedimentation until today. Composition and isotopic values of gases below the mound base seem to point to a mixed gas of biogenic and thermogenic origin with a higher proportion of biogenic gas. Oil-derived hydrocarbons were not detected at the mound site. This suggests that at least in the investigated part of the mound base the upward flow of fossil hydrocarbons, being one hypothesis for the initiation of the formation of carbonate mounds, seems to be only of minor significance.

Schlagwort(e): 307-U1317A; 307-U1317D; 307-U1318A; 307-U1318B; DRILL; Drilling/drill rig; Exp307; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Porcupine Basin Carbonate Mounds

Materialart: Dataset

Format: application/zip, 4 datasets

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(Table 3) Methane, ethane, propane, n-butane, iso-butane and carbon dioxide concentrations, gas wetness and iso-butane/n-butane ratios as well as carbon and hydrogen isotope data of methane from IODP Holes 307-U1317A and 307-U1317D (2011)

Mangelsdorf, Kai ; Zink, Klaus-Gerhard ; di Primio, Rolando ; [weitere]

PANGAEA

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Publikationsdatum: 2023-06-27

Schlagwort(e): 307-U1317A; 307-U1317D; C1/(C2+C3) hydrocarbon ratio; Carbon dioxide; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Ethane; Event label; Exp307; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Isobutane; Isobutane/n-Butane ratio; Joides Resolution; Methane; n-Butane; Porcupine Basin Carbonate Mounds; Propane; Sample code/label; δ13C, methane; δ Deuterium, methane

Materialart: Dataset

Format: text/tab-separated-values, 158 data points

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(Table 5) Total phospholipids, phosphatidylglycerol- and phosphatidylethanolamine esters concentrations from IODP Holes 307-U1318A and 307-U1318B (2011)

Mangelsdorf, Kai ; Zink, Klaus-Gerhard ; di Primio, Rolando ; [weitere]

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Publikationsdatum: 2023-06-27

Schlagwort(e): 307-U1318A; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp307; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Phosphatidylethanolamine, per unit mass total organic carbon; Phosphatidylethanolamine, per unit sediment dry mass; Phosphatidylglycerol, per unit mass total organic carbon; Phosphatidylglycerol, per unit sediment dry mass; Phospholipids, per unit mass total organic carbon; Phospholipids, per unit sediment dry mass; Porcupine Basin Carbonate Mounds; Sample code/label

Materialart: Dataset

Format: text/tab-separated-values, 54 data points

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(Table 1) Total organic carbon, delta13C and biomarker concentrations from IODP Holes 307-U1317A and 307-U1317D (2011)

Mangelsdorf, Kai ; Zink, Klaus-Gerhard ; di Primio, Rolando ; [weitere]

PANGAEA

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Publikationsdatum: 2023-11-30

Schlagwort(e): 307-U1317A; 307-U1317D; Carbon, organic, total; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp307; Hopane, alpha/beta, per unit sediment dry mass; Hopane, alpha/beta, per unit sediment dry mass on a carbonate free base; Hopane, alpha/beta, total organic carbon; Hopane, beta/beta, per unit sediment dry mass; Hopane, beta/beta, per unit sediment dry mass on a carbonate free base; Hopane, beta/beta, total organic carbon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; n-Alkane C23-35, per unit sediment dry mass; n-Alkane C23-35, per unit sediment dry mass on a carbonate free base; n-Alkane C23-35, total organic carbon; Porcupine Basin Carbonate Mounds; Sample code/label; Total hopanoids, per unit sediment dry mass; Total hopanoids, per unit sediment dry mass on a carbonate free base; Total hopanoids, total organic carbon; δ13C, organic carbon

Materialart: Dataset

Format: text/tab-separated-values, 318 data points

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(Table 4) Total organic carbon, delta13C and biomarker concentrations from IODP Holes 307-U1318A and 307-U1318B (2011)

Mangelsdorf, Kai ; Zink, Klaus-Gerhard ; di Primio, Rolando ; [weitere]

PANGAEA

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Publikationsdatum: 2023-11-30

Schlagwort(e): 307-U1318A; 307-U1318B; Carbon, organic, total; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp307; Hopane, alpha/beta, per unit sediment dry mass; Hopane, alpha/beta, per unit sediment dry mass on a carbonate free base; Hopane, alpha/beta, total organic carbon; Hopane, beta/beta, per unit sediment dry mass; Hopane, beta/beta, per unit sediment dry mass on a carbonate free base; Hopane, beta/beta, total organic carbon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mass spectrometer Finnigan Delta-E; n-Alkane C23-35, per unit sediment dry mass; n-Alkane C23-35, per unit sediment dry mass on a carbonate free base; n-Alkane C23-35, total organic carbon; Porcupine Basin Carbonate Mounds; Sample code/label; Total hopanoids, per unit sediment dry mass; Total hopanoids, per unit sediment dry mass on a carbonate free base; Total hopanoids, total organic carbon; δ13C, organic carbon

Materialart: Dataset

Format: text/tab-separated-values, 180 data points

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Contact charge—transfer interaction of iodine with saturated hydrocarbons (1982)

Bhowmik, Benoy B. ; Zink, Jeffrey I.

Elsevier

In: Spectrochimica Acta Part A: Molecular Spectroscopy. 1982; 38(8): 877-879. Published 1982 Jan 01. doi: 10.1016/0584-8539(82)80109-8.

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Publikationsdatum: 1982-01-01

Print ISSN: 0584-8539

Digitale ISSN: 1873-3824

Thema: Chemie und Pharmazie , Physik

Publiziert von Elsevier

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Radiation background due to radioactive sources in a luminescence dating laboratory (2013)

Zink, A. ; Porto, E.

Elsevier

In: Radiation Measurements. 2013; 56: 351-356. Published 2013 Sep 01. doi: 10.1016/j.radmeas.2013.04.019.

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Publikationsdatum: 2013-09-01

Print ISSN: 1350-4487

Digitale ISSN: 1879-0925

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Publiziert von Elsevier

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The runaway instability in general relativistic accretion discs (2013)

Korobkin, O., Abdikamalov, E., Stergioulas, N., Schnetter, E., Zink, B., Rosswog, S., Ott, C. D.

Oxford University Press

In: Monthly Notices of the Royal Astronomical Society

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Publikationsdatum: 2013-04-03

Beschreibung: When an accretion disc falls prey to the runaway instability, a large portion of its mass is devoured by the black hole within a few dynamical times. Despite decades of effort, it is still unclear under what conditions such an instability can occur. The technically most advanced relativistic simulations to date were unable to find a clear sign for the onset of the instability. In this work, we present three-dimensional relativistic hydrodynamics simulations of accretion discs around black holes in dynamical space–time. We focus on the configurations that are expected to be particularly prone to the development of this instability. We demonstrate, for the first time, that the fully self-consistent general relativistic evolution does indeed produce a runaway instability.

Print ISSN: 0035-8711

Digitale ISSN: 1365-2966

Thema: Physik

Publiziert von Oxford University Press

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