Subsurface Structural Mapping using EIGEN6C4 Data over Bundelkhand Craton and Surroundings: An Appraisal on Kimberlite/Lamproite Emplacement
Authors
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Department of Applied Geophysics, Indian Institute of Technology (Indian School of Mines), Dhanbad - 826 004
Sanjit Kumar Pal -
Department of Applied Geophysics, Indian Institute of Technology (Indian School of Mines), Dhanbad - 826 004
Sarvesh Kumar
DOI:
https://doi.org/10.1007/s12594-019-1288-4Keywords:
No Keywords.Abstract
The Bundelkhand craton is surrounded by different mobile belts. The central Indian tectonic zone (CITZ) in the southern part is one of the prominent tectonic zones. CITZ is an important structural controlling factor for the Majhgawan and Hinota Kimberlite pipes. Several dyke swarms and quartz vein fractures are resulted due to volcanic and tectonic activity in the present study area. The objective of the present study is to delineate the subsurface lineaments using different edge enhancement techniques for mineral exploration in the future. Initially, First vertical derivative (FVD), total horizontal derivative (THD), tilt derivative (TDR) and theta (THETA) map have been applied to EIGEN6C4 Bouguer anomaly data. Composite lineament density map has been generated using all enhanced maps to analyze the effect of length of lineaments in the unit area. Upward continuation maps for different height have been generated to distinguish the shallower and deeper body effects. Further, Euler 3D deconvolution technique has been applied to Bouguer anomaly data to calculate the possible depth of associated lineaments. A comparative analysis of upward continuation depth and Euler's depth has been carried out zone wise.
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