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Model study for the proposed magnetotelluric (MT) traverse in North India

Authors
Journal
Tectonophysics
0040-1951
Publisher
Elsevier
Publication Date
Volume
105
Identifiers
DOI: 10.1016/0040-1951(84)90216-6
Disciplines
  • Physics

Abstract

Abstract In anticipation of an MT traverse into the Himalayas, extensive modelling was done to determine survey specifications. This was based on a combination of geologic, seismic and low frequency electromagnetic induction data available in the literature. The modelling technique used is one which is now fairly standard, involving the numerical solution of Maxwell's equations for a two-dimensional geoelectrical structure. The models included most known features of the surface and subsurface, including the Ganges Basin, the topography of the mountains, and the Main Boundary Thrust. Proposed high temperature zones were also modelled. In the course of the modelling, some constraints were found for the source of the Aravalli anomaly observed by Lilley et al. (1981).

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