Moho geometry beneath the eastern margin of the Andes, northwest Argentina, and its implications to the effective elastic thickness of the Andean foreland Article

Whitman, D. (1994). Moho geometry beneath the eastern margin of the Andes, northwest Argentina, and its implications to the effective elastic thickness of the Andean foreland . JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 99(B8), 10.1029/94jb00342

cited authors

  • Whitman, D

authors

abstract

  • Beneath the easternmost Santa Barbara ranges, the Moho is relatively flat and lies at 40-45 km depth. Farther west, beneath the eastern margin of the Puna, the Moho dips 10-15° to the west before flattening out at a depth of 60-65 km beneath the plateau. These results indicate that in contrast to the Bolivian Andes, the foreland lithosphere in northwest Argentina does not provide significant flexural support to the plateau margin, and the eastern margin of the Andes is nearly in a state of local isostatic compensation. -from Author

publication date

  • January 1, 1994

published in

Digital Object Identifier (DOI)

volume

  • 99

issue

  • B8