Lithospheric structure of the Rio Grande rift

  title={Lithospheric structure of the Rio Grande rift},
  author={David B. Wilson and Richard H Aster and Michael West and James Ni and Steve Grand and Wei Gao and W. Scott Baldridge and Steve Semken and Paresh S. Patel},
A high-resolution, regional passive seismic experiment in the Rio Grande rift region of the southwestern United States has produced new images of upper-mantle velocity structure and crust–mantle topography. Synthesizing these results with geochemical and other geophysical evidence reveals highly symmetric lower-crustal and upper-mantle lithosphere extensional deformation, suggesting a pure-shear rifting mechanism for the Rio Grande rift. Extension in the lower crust is distributed over a region… CONTINUE READING
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