Geological Survey of India
Bangalore 2022 Geological Survey of India ii CONTENTS Page No Section 1 Geology and Mineral Resources of Karnataka I Introduction 1 II Physiography 1 III Geology 2 Sargur Group 5 Peninsular Gneissic Complex and Charnockite 5 Greenstone belts 7 Closepet Granite 10 Mafic ultramafic complexes 11 Dyke Rocks 12 Proterozoic Purana Basins 12 Deccan Trap 13 Warkali Beds 13 Laterite 13