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 81
... represented by volcanosedimentary rocks , where the volcanics are basic type and the sedimentaries are both clastic and chemogenic in nature . The Vindhyan sediments are represented by sandstones and shales . The aero - EM responses ...
... represented by volcanosedimentary rocks , where the volcanics are basic type and the sedimentaries are both clastic and chemogenic in nature . The Vindhyan sediments are represented by sandstones and shales . The aero - EM responses ...
Page 129
... represented by two sections ranging in thickness from 0.65m to 9.73m . The seams have been totally affected by ultrabasic intrusives . Salanpur ' B ' group of seams are represented by six to seven sections , ranging in thickness from ...
... represented by two sections ranging in thickness from 0.65m to 9.73m . The seams have been totally affected by ultrabasic intrusives . Salanpur ' B ' group of seams are represented by six to seven sections , ranging in thickness from ...
Page 23
... represented by a sequence of argillaceous and arenaceous rocks are exposed in the area . In the absence of any marker horizon , the relative proportions of argillaceous and arenaceous material grain size , degree of compaction ...
... represented by a sequence of argillaceous and arenaceous rocks are exposed in the area . In the absence of any marker horizon , the relative proportions of argillaceous and arenaceous material grain size , degree of compaction ...
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