Records of the Geological Survey of India, Volume 86, Parts 2-4Geological Survey of India, 1955 - Earthquakes |
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Page 523
... Gondwana System into a Lower and an Upper part is not scientifically justifiable . INTRODUCTION The Gondwana System is the main coal bearing formation in India , and consequently , a great deal of attention has been bestowed upon it ...
... Gondwana System into a Lower and an Upper part is not scientifically justifiable . INTRODUCTION The Gondwana System is the main coal bearing formation in India , and consequently , a great deal of attention has been bestowed upon it ...
Page 527
... Gondwana rocks . The Umia Beds While fresh - water deposition was taking place in the Damodar Valley and other areas ... Gondwana flora of other areas . It is , however , con- sidered to be of Lower Cretaceous age . The Gondwana System ...
... Gondwana rocks . The Umia Beds While fresh - water deposition was taking place in the Damodar Valley and other areas ... Gondwana flora of other areas . It is , however , con- sidered to be of Lower Cretaceous age . The Gondwana System ...
Page 535
... Gondwana . System admittedly , belong to two periods of igneous activity , the Jurassic , to which the Rajmahal Traps belong , and the Cretaceous - Eocene , when the Deccan Traps were poured out . On the above hypothesis , the former is ...
... Gondwana . System admittedly , belong to two periods of igneous activity , the Jurassic , to which the Rajmahal Traps belong , and the Cretaceous - Eocene , when the Deccan Traps were poured out . On the above hypothesis , the former is ...
Contents
OF | 310 |
MINERALS PRODUCED IN THE INDIAN UNION | 316 |
INTRODUCTION | 433 |
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actinolite Adirondack Ajmer-Merwara alumina Amjor anorthosite anorthositic rocks artesian Australia Barakars Basin beds Bihar Bijaigarh shale Bijawar biotite-schists BORE HOLE boulders calcite cent chemical chloritoid chromite coal streaks coalfield composition Conglomerate crystals Dalipnagar deposits depth district dolomite emerald exported faulting feet felspar fire clay flow formation Geol Geological Survey glaciation gneisses Gondwana gypsum ice cap ilmenite India iron Kaliguman kyanite lavas limestone Madhya Pradesh Madras magma magnetic mineral magnetite marl meteorite mica miles mines Mysore nala occurs outcrop output paleomagnetic pegmatites peridotite Permian plagioclase present production pyrite quantity quartz quartzites Rajasthan Rampur Rampur seam remanent magnetism reverse remanent magnetism samples sandstone schists sediments Series shale Shale with coal Shaly Shaly coal Shaly sandstone Singhbhum Sittampundi Complex Survey of India TABLE temperature thickness tillite tion titaniferous magnetite tons valued Triassic unconformity Upper Kaimur sandstone veins Vindhyan