Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 204
... quartzites . Large scale geological mapping was carried out covering an area of 0.08 sq km on 1 : 2,000 scale . The thick bedded snow - white quartzite of the Shumar Formation is hard , compact and coarse grained . The rock exhibits ...
... quartzites . Large scale geological mapping was carried out covering an area of 0.08 sq km on 1 : 2,000 scale . The thick bedded snow - white quartzite of the Shumar Formation is hard , compact and coarse grained . The rock exhibits ...
Page 85
... quartzite and gondite bands form the major units followed by quartz mica schist , dolomites , carbon phyllites and ... quartzite near Chamtapara and in micaceous quartzite near Telaimal . In granites , the main two sets of vertical ...
... quartzite and gondite bands form the major units followed by quartz mica schist , dolomites , carbon phyllites and ... quartzite near Chamtapara and in micaceous quartzite near Telaimal . In granites , the main two sets of vertical ...
Page 65
... quartzite & vein quartz 23 3 / 30 - Tuff with cherty quartzite , intercallation of tuff with metabasalt 30 4 --- Carbon , phyllite , tuff & quartzite association . 5 / Metabasalt 6 / Volcanic agglomerate sheared equivalent 7 --- Tuff ...
... quartzite & vein quartz 23 3 / 30 - Tuff with cherty quartzite , intercallation of tuff with metabasalt 30 4 --- Carbon , phyllite , tuff & quartzite association . 5 / Metabasalt 6 / Volcanic agglomerate sheared equivalent 7 --- Tuff ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal