Electrically conductive crust in southern Tibet from INDEPTH
Chen, L., J.R. Booker, A.G. Jones, N. Wu, M. Unsworth, W. Wei and
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 extends outside the rift, and its top
within the rift coincides with a bright spot horizon imaged on the INDEPTH CMP 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.
Science, 274, 1694-1696, 1996.
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Alan G Jones / 10 June 2004 /