Computer Science
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989e%26psl..92..307o&link_type=abstract
Earth and Planetary Science Letters, Volume 92, Issue 3-4, p. 307-316.
Computer Science
20
Scientific paper
More than 150 oriented samples were collected along the Kaxigal-Lhasa road in the southwestern part of the Tibetan Plateau to determine the deformation aspect of the Tibetan region from a paleomagnetic point of view. The counter-clockwise deflection about 60° in declination was revealed at four localities in the narrow zone along the Indus-Zangbo suture zone. A north to northeast direction (D = -9° to 30°) was observed at four localities, more than 14 km from the suture zone in the western Tibetan region. Significant tectonic deformation has occurred exclusively in a narrow zone whose width is about 40 km spanning the suture zone. The crustal blocks of this narrow zone were rotated in a compressive regime accompanied by left-lateral shear during the collision of the Indo-Eurasia continents. The deformation of the narrow zone behaves as a buffer zone in a tectonically gigantic dimension where the tangential stress is mainly absorbed.
Funahara Shoubu
Matsuo Jun
Murata Fumiyuki
Nishiyama Takashi
Otofuji Yo-Ichiro
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