आईरन वास फाउंड इन रॉक्स कॉल टू आईएएस और आईपीएस
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Table of Contents
Rock System Based on Geological History Of India
Archaean Rock System (Pre-Cambrian Rocks)
Archaean Gneisses and Schists [4 Billion Years]
Dharwar System [4 – 1 Billion Years]
Purana Rock System (1400 – 600 Million Years)
Cuddapah System
Vindhyan System (1300-600 million years)
Dravidian Rock System (Palaeozoic)
Carboniferous rocks (350 million years)
Aryan Rock System
Gondwana System
Gondwana Coal
Jurassic System
Deccan Trap
Group
Found in
Inter-trappean beds
Layers of volcanic ash
Tertiary System
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