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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Granitic and magmatic bodies in the deep crust of the Son Narmada Region, Central India: constraints from seismic, gravity and magnetotelluric methods

Fig. 5

(a) Deep geo-electric structure obtained from the 2-D model along the profile using the NLCG scheme. The seismic and gravity models (shown in Fig. 2) are superposed over the MT model. (b) A schematic section which explains the domal nature of the seismic patterns, which are high-density layers sandwiched between two low-density layers. In the MT model (shown in a), probable erosion of the high-resistive upper crust exposes the conducting mid-lower crust. This domal structure may have resulted through ‘jack-up’ by the underplated sediments during a complex tectonic process, such as subduction and exhumation of the orogenic core. See text for more details.

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