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  • Conference paper
    Muxworthy AR, 2009,

    Re-visiting the cooling rate dependency of thermoremanence acquisition

    , IAGA
  • Conference paper
    Ciesla FJ, Davison TM, Collins GS, 2009,

    Cooling of porous planetesimals after impacts: Implications for the thermal evolution of primitive bodies

    , 72nd Annual Meeting of the Meteoritical-Society, Publisher: Meteoritical Society, Pages: A51-A51, ISSN: 1086-9379
  • Conference paper
    Davison TM, Collins GS, Ciesla F, 2009,

    Quantifying heating in porous planetesimal collisions

    , 72nd Annual Meeting of the Meteoritical-Society, Publisher: Meteoritical Society, Pages: A58-A58, ISSN: 1086-9379
  • Journal article
    Fehr MA, Rehkaemper M, Halliday AN, Hattendorf B, Guenther Det al., 2009,

    Tellurium isotope compositions of calcium-aluminum-rich inclusions

    , METEORITICS & PLANETARY SCIENCE, Vol: 44, Pages: 971-984, ISSN: 1086-9379
  • Conference paper
    Collins GS, Wuennemann K, 2009,

    NUMERICAL MODELING OF IMPACT EJECTION PROCESSES IN POROUS GEOLOGIC MATERIALS

    , 72nd Annual Meeting of the Meteoritical-Society, Publisher: METEORITICAL SOC, Pages: A53-A53, ISSN: 1086-9379
  • Conference paper
    Ciesla FJ, Collins GS, Davison TM, O'Brien DPet al., 2009,

    Collisions among porous planetesimals and the water content of planetary embryos

    , 19th Annual VM Goldschmidt Conference, Publisher: Elsevier, Pages: A227-A227, ISSN: 0016-7037
  • Journal article
    Artemieva N, Morgan J, 2009,

    Modeling the formation of the K-P boundary layer

    , Icarus, Vol: 201, Pages: 768-780, ISSN: 0019-1035
  • Conference paper
    Baker RGA, Rehkamper M, Schonbachler M, Benedix GKet al., 2009,

    Thallium isotope evidence for protracted cooling of the acapulcoite-lodranite parent body

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A77-A77, ISSN: 0016-7037
  • Conference paper
    Coggon RM, Rehkamper M, Atteck C, Teagle DAHet al., 2009,

    Constraints on hydrothermal fluid fluxes from Tl geochemistry

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A234-A234, ISSN: 0016-7037
  • Conference paper
    Andreasen R, Schonbachler M, Rehkamper M, 2009,

    The <SUP>205</SUP>Pb-<SUP>205</SUP>TI and Cd isotope systematics of ordinary chondrites

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A43-A43, ISSN: 0016-7037
  • Conference paper
    Rehkamper M, Baker RGA, Wood BJ, 2009,

    Tl isotope constraints on the origin of the Earth's Pb paradox

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A1082-A1082, ISSN: 0016-7037
  • Conference paper
    Schonbachler M, Rehkamper M, Williams HM, Halliday ANet al., 2009,

    The cadmium isotope composition of the Earth

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A1183-A1183, ISSN: 0016-7037
  • Conference paper
    Fehr MA, James RH, Sephton MA, Martins Z, Bland PAet al., 2009,

    Primitive lithium isotope signatures in CR carbonaceous chondrites?

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A359-A359, ISSN: 0016-7037
  • Conference paper
    Xue Z, Rehkamper M, Statham PJ, 2009,

    A new methodology for precise cadmium isotope analyses of seawater

    , 19th Annual VM Goldschmidt Conference, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: A1467-A1467, ISSN: 0016-7037
  • Journal article
    Ham DA, Farrell PE, Gorman GJ, Maddison JR, Wilson CR, Kramer SC, Shipton J, Collins GS, Cotter CJ, Piggott MDet al., 2009,

    Spud 1.0: generalising and automating the user interfaces of scientific computer models

    , Geoscientific Model Development, Vol: 2, Pages: 33-42

    The interfaces by which users specify the scenarios to be simulated by scientific computer models are frequently primitive, under-documented and ad-hoc text files which make using the model in question difficult and error-prone and significantly increase the development cost of the model. In this paper, we present a model-independent system, Spud, which formalises the specification of model input formats in terms of formal grammars. This is combined with an automated graphical user interface which guides users to create valid model inputs based on the grammar provided, and a generic options reading module, libspud, which minimises the development cost of adding model options. Together, this provides a user friendly, well documented, self validating user interface which is applicable to a wide range of scientific models and which minimises the developer input required to maintain and extend the model interface.
  • Journal article
    Krasa D, Wilkinson CDW, Gadegaard N, Kong X, Zhou H, Roberts AP, Muxworthy AR, Williams Wet al., 2009,

    Nanofabrication of two-dimensional arrays of magnetite particles for fundamental rock magnetic studies

    , JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Vol: 114, ISSN: 2169-9313
  • Conference paper
    Paterson GA, Muxworthy AR, Roberts AP, Mac Niocaill Cet al., 2009,

    Investigating the use of Pyroclastics for Palaeointensity Determinations (poster)

    , Magnetic Exchanges
  • Conference paper
    Muxworthy AR, Heslop D, Paterson GA, Emmerton Set al., 2009,

    Deriving absolute palaeointensities from FORC diagrams

    , Magnetic Exchanges
  • Conference paper
    Barron LL, Wiliams W, Muxworthy AR, 2009,

    Effect of Nanoscale Intergrowths on Palaeomagnetic Interpretations (poster)

    , Magnetic Exchanges
  • Journal article
    Sephton MA, Visscher H, Looy CV, Verchovsky AB, Watson JSet al., 2009,

    Chemical constitution of a Permian-Triassic disaster species

    , GEOLOGY, Vol: 37, Pages: 875-878, ISSN: 0091-7613

    One of the most controversial biological proxies of environmental crisis at the close of the Permian is the organic microfossil Reduviasporonites. The proliferation of this disaster species coincides with the mass extinction and numerous geochemical disturbances. Originally Reduviasporonites was assigned to fungi, opportunistically exploiting dying end-Permian forests, but subsequentgeochemical data have been used to suggest an algal origin. We have used high-sensitivity equipment, partly designed to detect interstellar grains in meteorites, to reexamine the geochemical signature of Reduviasporonites. Organic chemistry, carbon and nitrogen isotopes, and carbon/nitrogen ratios are consistent with a fungal origin. The use of this microfossil as a marker of terrestrial ecosystem collapse should not be merely discounted. Unequivocally diagnostic data, however, may have been precluded by post-burial replacement of its organic constituents.

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