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 105
... appears to be gradual change in the textural and mineralogical maturity of the rocks as evidenced by ( i ) clayey matrix , ( ii ) increase in the round- ness and sorting of the sand grains , and ( iii ) decrease in the frequency of ...
... appears to be gradual change in the textural and mineralogical maturity of the rocks as evidenced by ( i ) clayey matrix , ( ii ) increase in the round- ness and sorting of the sand grains , and ( iii ) decrease in the frequency of ...
Page 141
... appears to be unreasonable . In this connection it is pertinent to take into consideration cumu- lative evidences of different faunal groups and lithologic data before assigning age to a lithologic unit . The ammonite fauna has been ...
... appears to be unreasonable . In this connection it is pertinent to take into consideration cumu- lative evidences of different faunal groups and lithologic data before assigning age to a lithologic unit . The ammonite fauna has been ...
Page 152
... appears to be similar to the mud found in the backwaters . A large number of autochthonous tree trunks of Acacia catechu have been found in the blue clay about 6 m . below the mean sea level . A burnt tree found during the excavation of ...
... appears to be similar to the mud found in the backwaters . A large number of autochthonous tree trunks of Acacia catechu have been found in the blue clay about 6 m . below the mean sea level . A burnt tree found during the excavation of ...
Contents
VOLUME 98 PART | 1 |
their Origin | 16 |
The Brecciated Quartz Veins of Nurungo Hazaribagh | 40 |
Copyright | |
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Common terms and phrases
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