From 1 - 10 / 10
  • Categories  

    Carbon Isotopic Signatures of Microbial Lipids in Geothermal Deposits: Elucidating Thermophilic Ecology. Lipid biomarkers were extracted and fractionated using standard methods. They were analysed via GC-MS for identification and determination of lipid distributions and abundances, and via GC-C-IRMS for carbon isotopic compositions. These methods, except for GC-IRMS, are available in in Kaur et al. (2014) DOI: 10.1007/s00792-014-0719-9. GC-IRMS methods are the same as those used in Badger et al. (2013) DOI: 10.1098/rsta.2013.0094 Sinters were collected from six active geothermal systems in the Taupo Volcanic Zone, North Island, New Zealand. Champagne Pool is located in the Waiotapu geothermal system. Opaheke Pool is located in the Reporoa Caldera situated approximately 6 km south of the Waiotapu geothermal field. These two fields are believed to be hydrologically linked (Nairn et al., 1994). Loop Road hot springs are situated in a flat, low-lying alluvial plain, a few kilometres south of Waiotapu. The Orakei Korako geothermal region is approximately 2 km2 in area and is located on the eastern margin of the Moroa Volcanic Centre. OK1 was sampled from the edge of Fred and Maggie Pool, whilst OK2 and OK3 were sampled from the outflow channel; OK1D originates from Diamond Geyser. The Sinter Flat area of Rotokawa is a cluster of geothermal springs on the northern margin of Lake Rotokawa that have created a flat terrace, mostly covered in hot pools. Further details of these sites are available in Kaur et al. (2014) DOI: 10.1007/s00792-014-0719-9.

  • Categories  

    Analysed trace element data and radiocarbon data from five existing marine sediment cores from the NE Pacific margin (45-50N) that intersects the major water masses of the N Pacific, from a depth transect (700-3300m)

  • Categories  

    This dataset includes the (stable) oxygen and carbon isotopic composition of benthic foraminifer tests (n= 686) and the (radiogenic) isotopic composition of the terrigenous fraction of marine sediments (n= 75), all sampled from Eocene to Oligocene-aged sediments recovered at Ocean Drilling Program (ODP) Site 689 and 690 (Maud Rise, Southern Ocean)

  • Categories  

    Stratigraphic and ecological data from tidal marsh sites in south-central Chile. Includes stratigraphy, diatom assemblages and radiocarbon dates from fossil cores and diatom assemblages from modern tidal marsh samples. Data were collected to provide evidence for multiple great earthquakes in south-central Chile, and enable the reconstruction of vertical land-level changes associated with these earthquakes. Data are from tidal marsh sites within the 1960 earthquake rupture area along the Chilean subduction zone (37.5 - 46 degrees South).

  • Categories  

    Stable Isotope and trace element analyses (Ca, Sr, Mg, Fe and Mn concentrations) derived from Cretaceous Belemnites including Duvalia tornajoensis, D. cf. lata constricta, D. binervia, D. cf. emericii, Hibolithes, H. cf. jaculoides, Berriasibelus, Castellanibelus and Pseudobelus.

  • Categories  

    Surface waters and shallow groundwater samples were collected by completely filling 30 mL polyethylene bottles, which were then sealed with electrical tape to minimise the risk of evaporative loss. Rainwater samples were integrated samples of total monthly rainfall collected in a specially-adapted rainfall collector following IAEA protocols (IAEA http://www-naweb.iaea.org/napc/ih/documents/userupdate/sampling.pdf [accessed 22 June 2012). Stable isotopes of oxygen and hydrogen were determined simultaneously using a 'Picarro' WS-CRDS system at the University of Liverpool or the University of Cambridge. Jamaica, Parish of St Elizabeth. Wallywash Great Pond (lat: 17.9716°; long: -77.8068°) (lake water and groundwater samples) and Pon de Rock Guest House (lat: 17.9156°; long: -77.7973°) (rainwater samples). Refer to accompanying map for the precise location of the lake water sampling sites

  • Categories  

    The data set consists of rock samples collected from Burnmouth, a core drilled at Norham, from Crumble Edge, Willie's Hole and Nova Scotia from 2012-2016; milled material is included. There is an Excel spreadsheet of sample numbers with location, sample height on log, lithology and fossil content. Scans of field logs from Burnmouth, Crumble Edge, Edington Mill, Pease Bay (UK) and locations in Nova Scotia, and overview drawn-up logs from Burnmouth, Norham, Crumble Edge and Willie's Hole are included. Scans of thin section scans are also included. There is a spreadsheet containing geochemistry data - sample numbers with lithology and %C, %S, d13C. These data were used to interpret the environment in which early tetrapods have been found in the early Carboniferous. Publications include: Bennett et al., 2016 (doi: 10.1111/sed.12280); Bennett et al., 2017 (http://dx.doi.org/10.1016/j.palaeo.2016.12.018 0031-0182); Clack et al., 2016, (DOI: 10.1038/s41559-016-0002); Kearsey et al., 2016 (http://dx.doi.org/10.1016/j.palaeo.2016.05.033) ; Clack et al., 2018, (doi:10.1017/S1755691018000087); Millward et al., 2018 (doi: 10.1111/sed.12465); Ross et al., 2018 (https://doi.org/10.1017/S1755691018000142)

  • Categories  

    Data collected as part of the NERC funded Radioactivity and the Environment (RATE), Long-lived Radionuclides in the Surface Environment (Lo-RISE), research consortium.This data comes from the marine workstream group based at the Scottish Universities Environmental Research Centre (SUERC) and the Scottish Association for Marine Science (SAMS). The data consists of radionuclide measurements of environmental and biological samples including radiocarbon, caesium (137), americium (241) and plutonium (238, 239, 240).The data has been published in the following publications: Tierney et al., 2018. Modelling Marine Trophic Transfer of Radiocarbon (14C) from a Nuclear Facility. Ecosystem Modelling and Software 102, 138-154. Tierney et al., 2017. Nuclear Reprocessing-Related Radiocarbon (14C) Uptake into UK Marine Mammals. Marine Pollution Bulletin 124, 43-50. Muir et al., 2017. Ecosystem Uptake and Transfer of Sellafield-Derived Radiocarbon (14C). Part 1: The Irish Sea. Marine Pollution Bulletin 114, 792-804. Tierney et al., 2017. Ecosystem Uptake and Transfer of Sellafield-Derived Radiocarbon (14C). Part 2: The West of Scotland. Marine Pollution Bulletin 115, 57-66 Tierney et al., 2016. Accumulation of Sellafield-derived 14C in Irish Sea and West of Scotland Intertidal Shells and Sediments. Journal of Environmental Radioactivity 151, 321-327.

  • Categories  

    The data set consists of rock samples collected from Coquetdale, Coldstream and Whitrope Burn from 2013-2014; milled material is included. There is an Excel spreadsheet of sample numbers with location, sample height on log, d13C data and %C. There are scans of field logs from Coquetdale, Coldstream and Whitrope Burn, and Illustrator drawn logs from Coldstream which include samples collected at a later date. Scans of thin sections are also included. (thin sections to be kept at Leicester for the time being – still being worked on for papers.) Each locality folder has an Excel spreadsheet detailing samples, sample height, %C and bulk and specific d13C values. These data were used to interpret the environment in which early tetrapods have been found in the early Carboniferous. These data supported the MPhil thesis 'In an alternating marine and non-marine depositional setting, where and how are early Carboniferous tetrapods preserved?' by Sherwin, 2018, and one publication including data from Whitrope Burn - Richards et al., 2018, (https://doi.org/10.1017/S1755691018000166).

  • Categories  

    Rare earth element, major and minor element, and iron speciation data for nine independent sections in the Nama Group, described in detail in Wood et al., 2015, Precambrian Research, and Tostevin et al., 2016, Nature Communications. Additional data for Zebra River section include sulfur isotopes from carbonate associated sulfate (published in Tostevin et al, 2017, Precambrian Research); Uranium isotope data for carbonates (published in Tostevin et al., 2019, EPSL); Calcium isotope data for carbonates (unpublished).