Records of the Geological Survey of India, Volume 98The Survey, 1970 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 34
Page 35
... period there had been periods of suitable environment for lateritisation particularly in Oligocene and Plio ... period for the formation of laterites after Rajmahal volcanism . There is no relevant data to fix the age of the lateritic ...
... period there had been periods of suitable environment for lateritisation particularly in Oligocene and Plio ... period for the formation of laterites after Rajmahal volcanism . There is no relevant data to fix the age of the lateritic ...
Page 119
... period is marked by the fresh arrival of coarse - grained detritus . The sudden increase in the coarse- grained sediments and formation of coal seams after prolonged period of barrenness indicates the arrival of these clastics and ...
... period is marked by the fresh arrival of coarse - grained detritus . The sudden increase in the coarse- grained sediments and formation of coal seams after prolonged period of barrenness indicates the arrival of these clastics and ...
Page 120
... period . The older channel of the northern side , . however , existed till the end of the Raniganj and was gradually filled up during the Panchet period . The vegetal debris brought down by streams gave rise to coal seams under partial ...
... period . The older channel of the northern side , . however , existed till the end of the Raniganj and was gradually filled up during the Panchet period . The vegetal debris brought down by streams gave rise to coal seams under partial ...
Contents
VOLUME 98 PART | 1 |
their Origin | 16 |
The Brecciated Quartz Veins of Nurungo Hazaribagh | 40 |
Copyright | |
13 other sections not shown
Other editions - View all
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