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 23
... bands of limonite - goethite are very common . Mostly these bands surround cavities of irregular shapes and variable sizes , that are often filled with clayey material . Annular and transverse shrinkage cracks ( septarian cracks ) are ...
... bands of limonite - goethite are very common . Mostly these bands surround cavities of irregular shapes and variable sizes , that are often filled with clayey material . Annular and transverse shrinkage cracks ( septarian cracks ) are ...
Page 108
... bands of coal . From their physical appearance , part of this basal section may be considered to represent the ... bands of shale and thin bands of coal . The Middle Barakar with a thickness of 91 m . is essentially composed of ...
... bands of coal . From their physical appearance , part of this basal section may be considered to represent the ... bands of shale and thin bands of coal . The Middle Barakar with a thickness of 91 m . is essentially composed of ...
Page 109
... bands of ferruginous sandstone or shale ( Pl.3 , Ph.1 ) . These ferruginous bands are not distinguishable in fresh drill cores . However , on exposure to air probably due to oxidation of the carbonate to oxide , the normal brownish ...
... bands of ferruginous sandstone or shale ( Pl.3 , Ph.1 ) . These ferruginous bands are not distinguishable in fresh drill cores . However , on exposure to air probably due to oxidation of the carbonate to oxide , the normal brownish ...
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