Records of the Geological Survey of India, Volume 140, Part 3The Survey, 2009 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 44
... rocks . The weathered rocks are soft in nature and easy to excavate and is categorised as soft rock . But most of the micaceous quartzite and gneissic rocks require blasting for excavation due to silica content of quartzite . However ...
... rocks . The weathered rocks are soft in nature and easy to excavate and is categorised as soft rock . But most of the micaceous quartzite and gneissic rocks require blasting for excavation due to silica content of quartzite . However ...
Page 53
... rock patches and soil - covered portions were removed exposing fresh , hard , compact , fine - grained basic rock . In higher elevations ( around R.L. 390 m ) , along with this basic rock , a hybrid rock comprising an admixture of basic ...
... rock patches and soil - covered portions were removed exposing fresh , hard , compact , fine - grained basic rock . In higher elevations ( around R.L. 390 m ) , along with this basic rock , a hybrid rock comprising an admixture of basic ...
Page 56
... rock trends N60 ° W - S60 ° E with vertical to subvertical ( 80 ° ) dip towards NE . On the left bank intermittent rock out crop of quartzitic phyllite is present . The slope is covered with reddish brown silty sand with gravel . On the ...
... rock trends N60 ° W - S60 ° E with vertical to subvertical ( 80 ° ) dip towards NE . On the left bank intermittent rock out crop of quartzitic phyllite is present . The slope is covered with reddish brown silty sand with gravel . On the ...
Contents
HEADQUARTER Page | 1 |
Study of Palaeotsunami depositsPalaeoseismology for estimation of recurrence history | 7 |
Photogeology and Remote Sensing Division | 13 |
Copyright | |
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alkaline amphibolite Andaman anorthosite apatite arsenic bands BAptd barrage belt Bihar biotite block boreholes charnockite Chhotanagpur chlorite CODE complex composite comprises construction craton dam axis delineated depth Dolerite drainage drilling dyke Eastern Ghat EGMB Engineering Geology Engineering Geology Division exposed fault field season fold foliation Formation gabbro garnet Geochemical Mapping GEOLOGICAL MAP GEOLOGICAL SURVEY GEOTECHNICAL INVESTIGATION gneiss gneissic Gondwana grade grained granite gneiss granulite ground water hornblende indicate Jharkhand jhoras K-feldspar KENDUJHAR DISTRICT Khondalite landslide laterite leuconorite limestone located magmatic magnetite manganese manganiferous mg/l mica schist mineral mineralisation nala occur Orissa OVERVIEW pegmatite phyllite plagioclase Purulia quartz quartz veins quartzite range river samples were collected scale schist schistosity shear zone shows Sikkim Singhbhum slope spillway sq km SSSC STAGE GEOTECHNICAL INVESTIGATION stream sediment samples study area surface SURVEY OF INDIA syenite toposheet trend values varies water samples West Bengal