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 25
... basalt . ( i ) Normally between laterite and basalt there is an intervening zone of lithomarge and / or bauxitic clay that rests on kaolinised basalt which passes down to fresh basalt . An example may be cited from Chaknurai area ( 24 ...
... basalt . ( i ) Normally between laterite and basalt there is an intervening zone of lithomarge and / or bauxitic clay that rests on kaolinised basalt which passes down to fresh basalt . An example may be cited from Chaknurai area ( 24 ...
Page 29
... basalt . Moreover , laterite does not directly overlie basalt here , but there is an intermediate zone of sandstone and clay . Therefore , there is apparently no possibility of the chalcedony having been derived from basalt . Besides ...
... basalt . Moreover , laterite does not directly overlie basalt here , but there is an intermediate zone of sandstone and clay . Therefore , there is apparently no possibility of the chalcedony having been derived from basalt . Besides ...
Page 49
Geological Survey of India. Mineralogical Changes The laterite mantle derived from basalt passes gradationally into fresh basalt below , through a partially altered basalt . The mantle consists of a thin , basal zone of lithomargic clay ...
Geological Survey of India. Mineralogical Changes The laterite mantle derived from basalt passes gradationally into fresh basalt below , through a partially altered basalt . The mantle consists of a thin , basal zone of lithomargic clay ...
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