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According appears associated bands Basin beds belt Bihar Bombay boulder breccia carried cent clay coal coalfields conglomerate consists contain continued deposits described detailed district dolomite east eastern evidence examined exported extended feet field formations fossils further Geological Geological Survey Geosyncline given gneisses Gondwana grade granite hill important increase India indicate industry iron Jour known lake lignite limestone localities Lower Madhya Pradesh Madras mapping material Metal mica miles million mineral mines Miogeosyncline Mysore occur origin period pits places present probably production quantity quartz quartzite range recorded region reported river rocks samples sand sandstone schists sediments seen sericite shales sheet side South South Wales stage Steel suggested surface Survey of India TABLE thickness tons trap types Upper Valley village western zone