Records of the Geological Survey of India, Volume 126, Parts 3-5Government of India, 1991 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 120
... drilling may not add much to the reserve already proved upto 50 m depth . Apatite - REE investigation : Geological and geochemical investigations and test drilling on geochemical and geophysical anomalies were undertaken to locate ...
... drilling may not add much to the reserve already proved upto 50 m depth . Apatite - REE investigation : Geological and geochemical investigations and test drilling on geochemical and geophysical anomalies were undertaken to locate ...
Page 121
... drilling in two boreholes ( DND - 1 & 2 ) . The boreholes DND - 1 , located on the eastern limit of this zone , intersected a 16 km thick apatite bearing zone analysing 10.05 % P , 0 ,. The borehole DND - 2 drilled on the western limit ...
... drilling in two boreholes ( DND - 1 & 2 ) . The boreholes DND - 1 , located on the eastern limit of this zone , intersected a 16 km thick apatite bearing zone analysing 10.05 % P , 0 ,. The borehole DND - 2 drilled on the western limit ...
Page 145
... drilled along the spillway axis was carried out to delin- eate the depth and nature of fresh rock . Drilling data reveals that the depth of bed rock and fresh rock represented by charnockite varies between 8.41 m to 12.60 m and between ...
... drilled along the spillway axis was carried out to delin- eate the depth and nature of fresh rock . Drilling data reveals that the depth of bed rock and fresh rock represented by charnockite varies between 8.41 m to 12.60 m and between ...
Contents
Quaternary geological and geomorphological mapping of the SonGanga | 2 |
An Overview | 10 |
Integrated geological and structural mapping and geochemical survey | 17 |
Copyright | |
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alignment amphibolite ANDHRA PRADESH anomaly zones apatite bands basemetal basin BIHAR biotite block boreholes carried chalcopyrite charnockite chlorite chlorite schist chromite Code construction depth DISTRICT dolerite drilling dykes east eastern Engineering Geology exposed field season flood folds foliation Formation foundation gabbro geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold granite granite gneiss granitoids granulite grey Group grouting hill hornblende INDEX indicated intersected intrusives Irrigation Project joints KARNATAKA kimberlite laterite limestone lithounits located magnetite metabasalt migmatite mineral mineralised zone occur Orissa pegmatite phyllite pink power house proposed pyrite pyroxenite quartz quartz veins quartzite Quaternary reservoir river rock types samples sandstone scale schist schist belt schistose shale shear zone Singhbhum slope soil Sp Sp Sp spillway sq km STAGE GEOTECHNICAL INVESTIGATION strike length structure studies suggested sulphide surface surveys syenite thick toposheet traverse trench trending tunnel ultramafic upto valley volcanics width Δ Δ Δ