Geochemistry, Geophysics, Geosystems


  1. Regular Articles

    1. Top of page
    2. Regular Articles
    3. Research Articles
    1. Tectonic uplift mechanism of the Goodenough and Fergusson Island gneiss domes, eastern Papua New Guinea: Constraints from seismic reflection and well data (pages 3969–3995)

      Guy Fitz and Paul Mann

      Article first published online: 2 OCT 2013 | DOI: 10.1002/ggge.20208

      Key Points

      • A lack of regional upper crustal extension accompanied gneiss dome exhumation
      • The Owen-Stanley fault is the plate boundary in eastern Papua New Guinea
      • Vertical exhumation of post-orogenic lower crust involved far-field extension
  2. Research Articles

    1. Top of page
    2. Regular Articles
    3. Research Articles
    1. Zircon growth in (U)HP quartzo-feldspathic host gneisses exhumed in the Woodlark Rift of Papua New Guinea (pages 1258–1282)

      N. A. Zirakparvar, S. L. Baldwin and A. K. Schmitt

      Article first published online: 25 APR 2014 | DOI: 10.1002/2013GC004964

      Key Points

      • Zircon grows in host gneiss over a wide range of conditions
      • SIMS depth profiling reveals um scale geochemical heterogeneity
      • The rates of processes in the PNG (U)HP terrane are similar to the Western Alps
    2. Anisotropy beneath a highly extended continental rift (pages 545–564)

      Zachary Eilon, Geoffrey A. Abers, Ge Jin and James B. Gaherty

      Article first published online: 1 MAR 2014 | DOI: 10.1002/2013GC005092

      Key Points

      • SK(K)S splitting results from the Woodlark Rift, Papua New Guinea
      • Majority of fast axes indicate spreading-parallel anisotropic fabric
      • Quantitative link between shear in asthenospheric mantle and splitting magnitude
    1. Variation of Ti-in-quartz in gneiss domes exposing the world's youngest ultrahigh-pressure rocks, D'Entrecasteaux Islands, Papua New Guinea

      Megan Korchinski, Timothy A. Little, Euan Smith and Marc-Alban Millet

      Article first published online: 3 OCT 2012 | DOI: 10.1029/2012GC004230

      Key Points

      • Gradients in Ti content in quartz used to constrain cooling rates
      • D'Entrecasteaux Island gneiss domes emplaced in crust as symmetrical diapirs
      • Ti content in quartz is related to final crustal emplacement of domes

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