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 4
... extent of this stage is somewhat limited . A moderate relief of the provenance which must have changed appreciably to provide a significant amount of felspar in the sandstones is envisaged . Detailed studies on the Upper Gondwana ...
... extent of this stage is somewhat limited . A moderate relief of the provenance which must have changed appreciably to provide a significant amount of felspar in the sandstones is envisaged . Detailed studies on the Upper Gondwana ...
Page 34
... extent after a consideration of laterites associated with Tertiary sequence . A peat bed , though very impersistent in lateral extent at the base of the Tertiary sequence is probably of Miocene age , as indicated by the presence of ...
... extent after a consideration of laterites associated with Tertiary sequence . A peat bed , though very impersistent in lateral extent at the base of the Tertiary sequence is probably of Miocene age , as indicated by the presence of ...
Page 50
... extent , iron is changed to trivalent state with some reduction in quantity and TiO , is increased sympathetically with A120 , in lateritic weathering . From a comparison of the bauxites and the corresponding parent rocks ( Table 1 ) it ...
... extent , iron is changed to trivalent state with some reduction in quantity and TiO , is increased sympathetically with A120 , in lateritic weathering . From a comparison of the bauxites and the corresponding parent rocks ( Table 1 ) it ...
Contents
VOLUME 98 PART | 1 |
their Origin | 16 |
The Brecciated Quartz Veins of Nurungo Hazaribagh | 40 |
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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