Records of the Geological Survey of India, Volume 122, Parts 3-4Government of India, 1987 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 31
... MICA PEGMATITES AND ASSOCIATED MINERALS IN BIHAR MICA BELT , NEAR GAJHANDIH AREA , GAYA AND HAZARIBAGH DISTRICTS , BIHAR [ Code No. RIS / 72H , L / ER / BHR / 80 / 9 ] R. Chakraborty Economic Geology Division - II ( Ops : Bihar ) ...
... MICA PEGMATITES AND ASSOCIATED MINERALS IN BIHAR MICA BELT , NEAR GAJHANDIH AREA , GAYA AND HAZARIBAGH DISTRICTS , BIHAR [ Code No. RIS / 72H , L / ER / BHR / 80 / 9 ] R. Chakraborty Economic Geology Division - II ( Ops : Bihar ) ...
Page 32
... mica pegmatites at 60.00 m vertical depth . The mica pegmatites range in width from 0.20-3.10m . Systematic geochemical sampling of the composite rock and fractionated mineral samples ( 403 Nos . ) and borehole core samples ( 201 Nos ...
... mica pegmatites at 60.00 m vertical depth . The mica pegmatites range in width from 0.20-3.10m . Systematic geochemical sampling of the composite rock and fractionated mineral samples ( 403 Nos . ) and borehole core samples ( 201 Nos ...
Page 109
... mica bearing , in soil covered areas of Bihar Mica Belt . Earlier survey has indicated that two pegmatite zones are characterised by high resistivity . Geophysical survey employing resistivity and magnetic methods has been carried out ...
... mica bearing , in soil covered areas of Bihar Mica Belt . Earlier survey has indicated that two pegmatite zones are characterised by high resistivity . Geophysical survey employing resistivity and magnetic methods has been carried out ...
Contents
CONTENTS | 12 |
Geological mapping of Lingtse granitoid gneisses of Sikkim with special reference to their | 24 |
Quaternary geological and geomorphological mapping of the KosiGandak Interfluve | 25 |
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ABSTRACTS OF PROGRESS alignment Andaman anorthosite apatite Arunachal Pradesh Bandyopadhyay basin bed rock belt Bhuban Bihar BIHAR Code biotite borehole carbonatite clay Construction stage geotechnical dam axis deposits depth Disang drilling Engineering Geology Engineering Geology Division-IV exposed EXTENDED ABSTRACTS Feasibility stage geotechnical FIELD SEASON folds Formation foundation geochemical geological mapping Geology Division-II Ops geophysical Geotech & Special Geotech and Special gneiss grade granite granite gneiss graphite grey Group grouting GSI Vol Gumla district Hazaribagh district holes Irrigation Project limestone lineament lithostratigraphy located mica mineral mineralisation nala occur Ophiolite Orissa ORISSA Code pegmatite petrological phyllite power house proposed quartz quartzite Regional Geology Division Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong Sikkim siltstone Singhbhum district slope Special Investigation spillway sq km stage geotechnical investigation structure Surface Survey of India toposheet traverses trending tunnel upto veins West Bengal