Records of the Geological Survey of India, Volume 109, Part 2

Andhra Pradesh appears assemblage associated axial bands base basin beds Bihar borehole calcareous carbonatite clays column compared complex contour core deposit depth described detailed developed diamonds district dolomite drilling earlier earth east facies folds formation fossils Geol Geological Survey given Gondwana grade grains grey Group hills horizon importance included indicate kimberlites known laminae later length limestone located Lower Madhya Pradesh mapping measured metamorphism Middle minerals mining named nature noted observed occur origin parallel period places plains plane Plate Pleistocene plunge points present quartzite Rajmahal rajmahalensis range recorded referred regional relation represented respectively river rocks samples sandstone schist schistosity sediments seen sequence sericite shale shear slate South species stage strike stromatolites structures suggests surface Survey of India talc texts thickness tremolite units Upper varies zones