Records of the Geological Survey of India, Volume 98The Survey, 1970 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 89
... thickness of the strata penetrated . Included within these Cuddalore sandstones , is also a bed of lignite ( between depths of 60 and 240 m . ) ranging in thickness up to 15 m . The lignite seam is overlain by a prominent clay bed ...
... thickness of the strata penetrated . Included within these Cuddalore sandstones , is also a bed of lignite ( between depths of 60 and 240 m . ) ranging in thickness up to 15 m . The lignite seam is overlain by a prominent clay bed ...
Page 108
... thickness of about 61 m . comprising sandstone and thin bands of coal . From their physical appearance , part of this basal section may be considered to represent the Karharbari stage . The total thickness of the Barakar rocks has been ...
... thickness of about 61 m . comprising sandstone and thin bands of coal . From their physical appearance , part of this basal section may be considered to represent the Karharbari stage . The total thickness of the Barakar rocks has been ...
Page 109
... thickness of the Barakar rocks increases towards the north - east , east and south - east of Mandu ( 23 ° 48 ′ : 85 ° 29 ′ ) situated at the western end of the coalfield . With local variations due to the structural setup the thick ...
... thickness of the Barakar rocks increases towards the north - east , east and south - east of Mandu ( 23 ° 48 ′ : 85 ° 29 ′ ) situated at the western end of the coalfield . With local variations due to the structural setup the thick ...
Contents
VOLUME 98 PART | 1 |
their Origin | 16 |
The Brecciated Quartz Veins of Nurungo Hazaribagh | 40 |
Copyright | |
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alluvial deposits Alluvium alumina Aravalli Archaean Ariyalur Ariyalur group Banded Gneissic Complex Barakar Barren measures basalt basins bauxite bauxitic clay beds boreholes Boulder boundary faults chemical clay zone clayey claystone coal seams conglomerate Cretaceous cross-stratification Deccan trap district fauna felspar flowing formation forms fossiliferous fossils Geol Geological Survey glacial glauconite gneisses Gondwana grains granite granitised groundwater hematite indicate interglacial intra-basinal faults Jahazpur Kaimur kaolinite laterite lateritic gravel lateritisation leaching lignite limestone limonite lithological lithomargic clay Lower Karewas metres minerals namadicus Narmada occurs overlying parent rock pebbles Pinjor pisolites Pleistocene Pradesh present quartz quartzites Raniganj ripples Sakolis sand sandstone sandy clay sandy soil Santonian schists sedimentary sediments Semri shale silica Siwalik stage structures Surv Survey of India Talchir Tatrot tectonic terrain Tertiary sequence thickness thin trap Trichinopoly tubewells unconformity Upper valley weathering West Bokaro coalfield white clay