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 35
... observed that the graphite concentrations are associated with the emplacement of quartzo - felspethic materials , within the weak zones of khondalite and leptynite . Three Occurrences near Katikhola , Shankarmal and Dhursi were of ...
... observed that the graphite concentrations are associated with the emplacement of quartzo - felspethic materials , within the weak zones of khondalite and leptynite . Three Occurrences near Katikhola , Shankarmal and Dhursi were of ...
Page 46
... observed within the gneiss . During regional traverses , staurolite has been recognised within the garnetiferous schist around Dikchu Mines area . Thin bands of quartzite and amphibolite within the mica schist have also been observed ...
... observed within the gneiss . During regional traverses , staurolite has been recognised within the garnetiferous schist around Dikchu Mines area . Thin bands of quartzite and amphibolite within the mica schist have also been observed ...
Page
... observed in the area are burrows and trails . The general strike of bedding observed in the area is N - S with dips varying from 5 ° to 80 ° due east or west . Swerves in the attitude of bedding are due to structural disturbances ...
... observed in the area are burrows and trails . The general strike of bedding observed in the area is N - S with dips varying from 5 ° to 80 ° due east or west . Swerves in the attitude of bedding are due to structural disturbances ...
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