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Quantitative Interpretation of Gravity and Magnetic Data in Parts of Sidhi and Shahdol Districts, MP, India

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Author Affiliations

  • 1Geophysics Division, Geological Survey of India, Central Region, Nagpur, India
  • 2Geophysics Division, Geological Survey of India, Central Region, Nagpur, India
  • 3Geophysics Division, Geological Survey of India, Central Region, Nagpur, India

Int. Res. J. Earth Sci., Volume 10, Issue (2), Pages 11-18, August,25 (2022)

Abstract

This article is represented to the quantitative interpretation of gravity & magnetic data in parts of Sidhi and Shahdol districts, Madhya Pradesh.Geologically, the area is represented by Vindhyan Super group, Sidhi Gneiss group, Chotanagapur Gneissic complex group, Mahakoshal group, Gondwana Super group and Deccan Trap Super group. The rock samples of 128 Nos. have been collected from different litho-units of the study area for measurement of physical properties (Density and Magnetic susceptibility) which are useful for understanding & evaluating of geological response. Quantitative interpretation of gravity map indicated three sub surface interfaces at depths, viz. 1.8km (shallow), 3.8km (intermediate) and beyond 3.8km (deeper) and magnetic map recorded three sub surface interfaces at depths, viz. 0.6km (shallow), 3.0km (intermediate) and beyond 3.0km (deeper). The average first sub-surface interface recorded up to 1.2km depth while second interface up to 3.4km depth may be correspond to sedimentary rocks of lower Gondwana formation sandstone.

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