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Size and morphology of the Chicxulub impact crater
The Chicxulub impact in Mexico has been linked to the mass extinction of species at the end of the Cretaceous period. From seismic data collected across the offshore portion of the impact crater, theExpand
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Anisotropic 3D full-waveform inversion
ABSTRACTWe have developed and implemented a robust and practical scheme for anisotropic 3D acoustic full-waveform inversion (FWI). We demonstrate this scheme on a field data set, applying it to a 4CExpand
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Absolute reflection coefficients from deep Seismic reflections
Abstract Many deep Seismic reflection profiles show bright sub-horizontal layered reflections in the lower continental crust. Accurate estimates are obtained for normal incidence reflectionExpand
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Peak-ring formation in large impact craters: geophysical constraints from Chicxulub
A seismic reflection and three-dimensional wide-angle tomographic study of the buried, V200-km diameter, Chicxulub impact crater in Mexico reveals the kinematics of central structural uplift andExpand
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Two‐dimensional velocity models from wide‐angle seismic data by wavefield inversion
SUMMARY Modern wide-angle surveys are often multi-fold and multi-channel, with densely sampled source and receiver spacings. Such closely spaced data are potentially amenable to multi-channelExpand
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BIRPS deep seismic reflection studies of the British Caledonides
The Western Isles–North Channel (WINCH) traverse (Fig. 1), an extension of the successful MOIST profile1, was recorded in 1982 at sea along the west coast of Britain for BIRPS (British InstitutionsExpand
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Hydrocode simulations of Chicxulub crater collapse and peak-ring formation
We use hydrocode modeling to investigate dynamic models for the collapse of the Chicxulub impact crater. Our aim is to integrate the results from numerical simulations with kinematic models derivedExpand
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Chicxulub: The third dimension of a multi-ring impact basin
The buried 65 Ma Chicxulub impact structure in Mexico is the largest well-preserved impact crater known on Earth. Seismic reflection data have revealed Chicxulub to be a multi-ring basin—it has theExpand
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Deep crustal structure of the Chicxulub impact crater
We present the results of a wide-angle seismic survey conducted over the Chicxulub impact crater. Profile Chicx-A/A1 is a chord across the offshore portion of the crater, and Chicx-B/F is anExpand
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Seismic reflections from the mantle represent relict subduction zones within the continental lithosphere
In many areas of the world, the continental lithospheric upper mantle contains bright, continuous, regionally extensive, seismic reflectors. Despite the increasingly common observation of such mantleExpand
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