Electrically conductive crust in southern Tibet from INDEPTH magnetotelluric surveying

Leshou Chen, John R. Booker, Alan G. Jones*, Nong Wu, Martyn J. Unsworth, Wenbo Wei, Handong Tan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

192 Citations (Scopus)

Abstract

The crust north of the Himalaya is generally electrically conductive below depths of 10 to 20 km. This conductive zone approaches the surface beneath the Kangmar dome (dipping north) and extends beneath the Zangbo suture. A profile crossing the northern Yadong-Gulu rift shows that the high conductivity region extends outside the rift, and its top within the rift coincides with a bright spot horizon imaged on the INDEPTH CMP (common midpoint) profiles. The high conductivity of the middle crust is atypical of stable continental regions and suggests that there is a regionally interconnected fluid phase in the crust of the region.

Original languageEnglish
Pages (from-to)1694-1696
Number of pages3
JournalScience
Volume274
Issue number5293
DOIs
Publication statusPublished - 6 Dec 1996
Externally publishedYes

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