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 25
... Granite and Chakradharpur Granite , lower metamorphic grade and absence of F1 folds in Iron Ore Stage when compared with basement and other early proterozoic rocks . Another angular unconformity is recorded at the base of Kolhan Series ...
... Granite and Chakradharpur Granite , lower metamorphic grade and absence of F1 folds in Iron Ore Stage when compared with basement and other early proterozoic rocks . Another angular unconformity is recorded at the base of Kolhan Series ...
Page 26
... granite with K- feldsper , plagioclase , hornblende , biotite . The general geological sequence of formation as de- duced from the field relations is as follows : - Pink massive granite Grey massive granite Granite gneiss Porphyroblastic ...
... granite with K- feldsper , plagioclase , hornblende , biotite . The general geological sequence of formation as de- duced from the field relations is as follows : - Pink massive granite Grey massive granite Granite gneiss Porphyroblastic ...
Page
... granite . The three pulses of Kamakhya granite are petrologically identical to the three pulses of Kyrdem granite of East Khasi Hills and Rongjeng granite of Garo Hills , Meghalaya . The older metamorphites display gneissosity ...
... granite . The three pulses of Kamakhya granite are petrologically identical to the three pulses of Kyrdem granite of East Khasi Hills and Rongjeng granite of Garo Hills , Meghalaya . The older metamorphites display gneissosity ...
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