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 207
... bands are exposed . The lower band is 16.4 m thick with a 5 m parting of phyllite and the upper band is 3.8 m thick . Both these bands are separated by a 25 m thick zone of phyllite . In the river section the lower and upper limestone bands ...
... bands are exposed . The lower band is 16.4 m thick with a 5 m parting of phyllite and the upper band is 3.8 m thick . Both these bands are separated by a 25 m thick zone of phyllite . In the river section the lower and upper limestone bands ...
Page 208
... bands of limestone were located . The chemical assay of the samples collected from these bands , showed that the limestone is of cement grade . The limestone bands have been traced for a strike length of about 700 m having a cummulative ...
... bands of limestone were located . The chemical assay of the samples collected from these bands , showed that the limestone is of cement grade . The limestone bands have been traced for a strike length of about 700 m having a cummulative ...
Page 25
... bands . The Middle Siwalik is represented by sandstone with occasional clay bands . The Upper Siwalik consists of soft , friable sandstone with or without pebbles , pebble - boulder bed and clay . The general trend of the litho - units ...
... bands . The Middle Siwalik is represented by sandstone with occasional clay bands . The Upper Siwalik consists of soft , friable sandstone with or without pebbles , pebble - boulder bed and clay . The general trend of the litho - units ...
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