Records of the Geological Survey of India, Volume 129, Parts 3-4Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 78
... activity , on average two earthquakes per day , was recorded at the northern most station of the network . This investigation was taken up to understand the level of seismic activity , its generating process and delin- eate the active ...
... activity , on average two earthquakes per day , was recorded at the northern most station of the network . This investigation was taken up to understand the level of seismic activity , its generating process and delin- eate the active ...
Page 79
... activity - rate is examined ; the northernmost station Nandok show maximum activity : on an average two earthquakes per day were recorded . Epicentral location of the selected 65 earth- quakes are shown in Plate 28. Most of the ...
... activity - rate is examined ; the northernmost station Nandok show maximum activity : on an average two earthquakes per day were recorded . Epicentral location of the selected 65 earth- quakes are shown in Plate 28. Most of the ...
Page 73
... activity is poor in this unit . Units C , which forms a small part of the present area of study in the east , is characterised by low hillocks with poor forest cover and low agricultural activity . This unit exhibits poor drainage ...
... activity is poor in this unit . Units C , which forms a small part of the present area of study in the east , is characterised by low hillocks with poor forest cover and low agricultural activity . This unit exhibits poor drainage ...
Contents
WEST BENGAL SIKKIM A N ISLANDS | 1 |
Report of investigation for rare metal mineralisation within pegmatite | 7 |
Gold | 14 |
Copyright | |
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acid volcanics amphibolite Andaman anomaly Arunachal Pradesh Assam bands basemetal basin bed rock belt Bihar biotite block boreholes Chhotanagpur clay Code colour comprising conglomerate covered depth Division drilling dykes east eastern Engineering Geology erosion exploration exposed fault feldspar field season fold foliation Formation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold Gondwana grade granite granite gneiss granitoids grey Group of rocks GSI Rec Hills district identified intrusives Karbi Anglong laterite limestone lineament lithological located medium grained Meghalaya mica schist migmatites mineralisation minerals nala occurs Orissa OVERVIEW pegmatite phyllite plagioclase Proterozoic Purulia district quartz quartz veins quartzite Quaternary Region river sand sandstone scale schist sector sequence shale Shillong Shillong Group Sikkim siltstone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples structure sulphide Surface SURVEY OF INDIA terrain thick Toposheet trending ultramafic upto West Bengal western