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Obliquity-paced Pliocene West Antarctic ice sheet oscillations
Thirty years after oxygen isotope records from microfossils deposited in ocean sediments confirmed the hypothesis that variations in the Earth’s orbital geometry control the ice ages, fundamentalExpand
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Tectonic and geological framework for gas hydrates and cold seeps on the Hikurangi subduction margin, New Zealand
The imbricated frontal wedge of the central Hikurangi subduction margin is characteristic of wide (ca. 150 km), poorly drained and over pressured, low taper (not, vert, similar 4°) thrust systemsExpand
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Orbitally induced oscillations in the East Antarctic ice sheet at the Oligocene/Miocene boundary
Between 34 and 15 million years (Myr) ago, when planetary temperatures were 3–4 °C warmer than at present and atmospheric CO2 concentrations were twice as high as today, the Antarctic ice sheets mayExpand
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Do great earthquakes occur on the Alpine fault in central South Island, New Zealand?
Geological observations require that episodic slip on the Alpine fault averages to a long-term displacement rate of 2-3 cm/yr. Patterns of seismicity and geodetic strain suggest the fault is lockedExpand
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Geometry of the Hikurangi subduction thrust and upper plate, North Island, New Zealand
[1] We use 2800 line km of seismic reflection data to map the offshore character and geometry of the Hikurangi subduction thrust and outer forearc wedge to depths of ∼15 km. For 200 km along-strikeExpand
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Focussed fluid flow on the Hikurangi Margin, New Zealand — Evidence from possible local upwarping of the base of gas hydrate stability
The southern Hikurangi Subduction Margin is characterized by significant accretion with predicted high rates of fluid expulsion. Bottom simulating reflections (BSRs) are widespread on this margin,Expand
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Geophysical exploration and dynamics of the Alpine Fault Zone
The Alpine Fault of central South Island New Zealand, can be tracked with seismic reflection methods to depths of ∼35 km as a listric-shaped surface with strong reflectivity. Maximum dips of theExpand
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Erosion of the seafloor at the top of the gas hydrate stability zone on the Hikurangi Margin, New Zealand
[1] The dissociation of gas hydrates in sediment pores is thought to decrease seafloor strength potentially facilitating submarine slides because of the generation of overpressured gas and theExpand
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Seismic stratigraphy along the Amundsen Sea to Ross Sea continental rise: A cross-regional record of pre-glacial to glacial processes of the West Antarctic margin
Abstract The seismic sediment record of the Amundsen Sea continental rise provides insight into the sedimentation processes from pre-glacial to glacial times, variations in ocean-bottom circulation,Expand
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Numerical models of lithospheric deformation forming the Southern Alps of New Zealand
Compression of the entire continental lithosphere is considered using two-dimensional numerical models, in order to study the influence of the lithospheric mantle on the geometry of continentalExpand
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