Seismic Evidence for a Detached Indian Lithospheric Mantle Beneath Tibet.

作者信息

Kosarev G, Kind R, Sobolev SV, Yuan X, Hanka W, Oreshin S

机构信息

Institute of the Physics of the Earth, Russian Academy of Sciences, B. Gruzinskaya 10, 128810 Moscow, Russia. GeoForschungsZentrum Potsdam, Telegrafenberg, 14473 Potsdam, Germany. Freie Universität Berlin, Geophysik, Malteser Strasse 74-100, 12249 Berlin, Germany.

出版信息

Science. 1999 Feb 26;283(5406):1306-1309. doi: 10.1126/science.283.5406.1306.

DOI:10.1126/science.283.5406.1306

PMID:10037597

Abstract

P-to-S converted teleseismic waves recorded by temporary broadband networks across Tibet show a north-dipping interface that begins 50 kilometers north of the Zangbo suture at the depth of the Moho (80 kilometers) and extends to a depth of 200 kilometers beneath the Bangong suture. Under northern Tibet a segmented south-dipping structure was imaged. These observations suggest a different form of detachment of the Indian and Asian lithospheric mantles caused by differences in their composition and buoyancy.

摘要