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 40
... later than the folding of the schists but pre - Gondwana in age . Introduction Geological examination of about 200 sq . km . around Nurungo ( 24 ° 10 ′ 86 ° 05 ' ; 721/4 ) situated 24 km . west of Giridih , shows that mica- schists ...
... later than the folding of the schists but pre - Gondwana in age . Introduction Geological examination of about 200 sq . km . around Nurungo ( 24 ° 10 ′ 86 ° 05 ' ; 721/4 ) situated 24 km . west of Giridih , shows that mica- schists ...
Page 132
... later mighty diastrophism which profoundly affected the Sakolis and is discerni- ble as overprint in these formations , led to a regeneration dated ca 950 m . y . A worldwide concordance in pre - Cambrian chronology is well - nigh in ...
... later mighty diastrophism which profoundly affected the Sakolis and is discerni- ble as overprint in these formations , led to a regeneration dated ca 950 m . y . A worldwide concordance in pre - Cambrian chronology is well - nigh in ...
Page 184
... later ( 1886 ) amended it as Platy- pterigium balli . Seward ( 1919 ) on re - examination of this specimen consi- dered it to be Pseudoctenis balli and later ( Seward and Sahni , 1920 ) redescribed it . It may be noted here that ...
... later ( 1886 ) amended it as Platy- pterigium balli . Seward ( 1919 ) on re - examination of this specimen consi- dered it to be Pseudoctenis balli and later ( Seward and Sahni , 1920 ) redescribed it . It may be noted here that ...
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