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  • Conference paper
    Shah J, Muxworthy AR, Almeida TP, Kovacs A, Russell SS, Genge M, Dunin-Borkowski Ret al., 2017,

    Dusty olivine: our oldest record of rock magnetism? (invited)

    , Magnetic Interactions, Edinburgh
  • Book chapter
    Maidment SCR, Balikova D, Muxworthy AR, 2017,

    Magnetostratigraphy of the Upper Jurassic Morrison Formation at Dinosaur National Monument, Utah, and Prospects for Using Magnetostratigraphy as a Correlative Tool in the Morrison Formation

    , TERRESTRIAL DEPOSITIONAL SYSTEMS: DECIPHERING COMPLEXITIES THROUGH MULTIPLE STRATIGRAPHIC METHODS, Editors: Zeigler, Parker, Publisher: ELSEVIER SCIENCE BV, Pages: 279-302, ISBN: 978-0-12-803243-5
  • Conference paper
    Williams W, Nagy L, Fabian K, Ó Conbhuí P, Muxworthy AR, Almeida Tet al., 2016,

    The Hunting of the ‘Psark' - 40 Years On (invited)

    , AGU Fall 2016
  • Conference paper
    Nagy L, Williams W, Fabian K, Muxworthy AR, Almeida TP, Ó Conbhuí Pet al., 2016,

    Thermomagnetic Stability in Pseudo-Single Domain Grains

    , AGU Fall 2016
  • Conference paper
    Muxworthy AR, 2016,

    Recovering ancient magnetic field intensities from rocks and meteorites using FORC Measurements (invited)

    , 2nd FORC Workshop
  • Conference paper
    Maidment S, Muxworthy AR, 2016,

    A chronostratigraphic framework for the Morrison Formation and the latitudinal biodiversity gradient in Morrison dinosaurs (poster)

    , 76th Annual Meeting Society of Vertebrate Paleontology
  • Journal article
    Døssing A, Muxworthy AR, Supakulopas R, Riishuus MS, Mac Niocaill Cet al., 2016,

    High northern geomagnetic field behavior and new constraints on the Gilsá event: Paleomagnetic and 40Ar/39Ar results of ∼0.5–3.1Ma basalts from Jökuldalur, Iceland

    , Earth and Planetary Science Letters, Vol: 456, Pages: 98-111, ISSN: 0012-821X

    Recent paleomagnetic results of extrusive rocks from high southern latitudes (>60°S) and high northern latitudes (>60°N) have been suggested to reflect a hemispheric asymmetry of the geomagnetic field on time-scales of 105 to 106 yrs, with higher and more stable fields in the north. This interpretation, however, is based on only a few modern-standard paleodirectional data sets and on high northern stable field paleointensity data of rocks that are mainly younger than 100 kyr. The sparsity of modern-standard data questions the validity (and age range) of this potential geomagnetic asymmetry. In 2013 and 2014, we sampled basaltic lava flows in Jökuldalur, north-eastern Iceland, to obtain high-standard paleodirectional and paleointensity data at relatively high-northern latitudes (65.2°N). On average, we sampled >15 cores per site at 51 sites of predominantly Matuyama age. Complete demagnetization was carried out on all samples using AF or thermal demagnetization. We present 45 distinct paleomagnetic directions based on overall N>10 ChRMs per site and α95<3.5°. We obtain a mean direction of D=355.7°, I=76.3°, and α95=3.2 for N=45 sites that is not significantly different from a GAD field. The resulting 45 VGPs distribute around the North Pole, and the global mean paleomagnetic pole (View the MathML source, View the MathML source) is coincident with the North Pole within the α 95 confidence limit. We calculate a VGP dispersion View the MathML source and an average inclination anomaly View the MathML source for our 38 Matuyama age data. The dispersion SB overall supports the interpretation of a dependence of SB on latitude during the Matuyama, while the negligible ΔI suggests little deviation from a GAD field. Based on relatively strict cut-off criteria we also present six new field strength estimates from the time interval ∼1.2–1.83 Ma, thus filling a large data gap of the high-northern sta
  • Conference paper
    Penny C, Muxworthy AR, Fabian K, 2016,

    The Curie temperature of magnetite nanoparticles (poster)

    , EMRS Fall 2016
  • Conference paper
    Muxworthy AR, Almeida TP, Williams W, Dunin-Borkowski Ret al., 2016,

    Imaging magnetic stability of PSD magnetite

    , 15th Castle Meeting
  • Conference paper
    Shah J, Bates H, Muxworthy AR, Russell SS, Genge MJet al., 2016,

    A micro-CT conglomerate test (poster)

    , 15th Castle Meeting
  • Conference paper
    Valdez-Grijalva MA, Nagy L, Muxworthy AR, Williams Wet al., 2016,

    Domain structure of greigite (Fe3S4) in the SD to PSD regime

    , 15th Castle Meeting
  • Conference paper
    Nagy L, Williams W, Fabian K, Muxworthy AR, Almeida TPet al., 2016,

    Thermoremanent magnetization in pseudo-Single domain grains

    , 15th Castle Meeting
  • Conference paper
    Shah J, Muxworthy AR, Almeida TP, Kovacs A, Russell SS, Genge M, Williams W, Dunin-Borkowski REet al., 2016,

    Determining the magnetic recording fidelity of chondrule dusty olivine

    , 15th Castle Meeting
  • Conference paper
    Supakulopas R, Muxworthy AR, Riishuus MS, Døssing A, Mac Niocaill Cet al., 2016,

    High-latitude palaeomagnetic field behaviour during 3-7 Ma in Northern Iceland

    , 15th Castle Meeting
  • Conference paper
    Williams W, Nagy L, Ó Conbhuí P, Fabian K, Muxworthy AR, Almeida TPet al., 2016,

    The Hunting of the ‘Psark' - 40 Years On

    , 15th Castle Meeting

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