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P.O. Koons
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Publications

  • Fluid evolution and thermal structure in the rapidly exhuming gneiss complex of Namche Barwa-Gyala Peri, eastern Himalayan syntaxis

    Authors
    Dave Craw, P.O. Koons, P.K. Zeitler, W.S.F. Kidd
    Journal
    Journal of Metamorphic Geology
    Year
    2005
    High-grade gneisses (amphibolite-granulite facies) of the Namche Barwa and Gyala Peri massifs, in the eastern Himalayan syntaxis, have been unroofed from metamorphic depths in the late Tertiary-Recent... REGISTER NOW TO SEE MORE
  • Structure and late Cenozoic tectonics of the southern Two Thumb Range, mid Canterbury, New Zealand

    Authors
    Dave Craw, P.O. Koons, P. Upton, Z. James
    Journal
    New Zealand Journal of Geology and Geophysics
    Year
    2004
    Two crosscutting fault sets dominate the southern Two Thumb Range-the Forest Creek Faults, and the Fox Peak Faults. The Fox Peak Faults extend from the Fairlie Basin northward across Butler Saddle and... REGISTER NOW TO SEE MORE
  • Climatic and tectonic controls on chemical weathering in the New Zealand Southern Alps

    Authors
    Dave Craw, P.O. Koons, C.P. Chamberlain, J.D. Blum, A.D. Jacobson
    Journal
    Geochimica et Cosmochimica Acta
    Year
    2003
    Climatic and tectonic controls on the relative abundance of solutes in streams draining the New Zealand Southern Alps were investigated by analyzing the elemental and Sr isotope geochemistry of stream... REGISTER NOW TO SEE MORE
  • Influence of exhumation of the structural evolution of transpressional plate boundaries: An example from the Southern Alps, New Zealand

    Authors
    Dave Craw, P.O. Koons, R.J. Norris, A.F. Cooper
    Journal
    Geology
    Year
    2003
    Concentration of erosional activity along transpressional plate boundaries can significantly alter the pattern of mechanical behavior through the influence of exhumation on crustal strength. Three-dim... REGISTER NOW TO SEE MORE

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