Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 78
... occur conformably interbanded with this , impersistent bands of pyroxene granulite and charnockite . Garnetiferous granitoid gneisses occur as linear patches amidst these with diffused contacts and contain enclaves of lithotypes of ...
... occur conformably interbanded with this , impersistent bands of pyroxene granulite and charnockite . Garnetiferous granitoid gneisses occur as linear patches amidst these with diffused contacts and contain enclaves of lithotypes of ...
Page 55
... occur locally in this complex . This is a lensoidal pluton , and perhaps the first “ alkaline complex " to be reported from West Bengal . The study indicates that the carbonate rocks occurring at Kutni and Beldih are carbonatites having ...
... occur locally in this complex . This is a lensoidal pluton , and perhaps the first “ alkaline complex " to be reported from West Bengal . The study indicates that the carbonate rocks occurring at Kutni and Beldih are carbonatites having ...
Page 56
... occurs as disseminations and lenses parallel to regional foliation . Two types of biotite ( green and brown ) occur in association with phosphate mineralisation . Radioactive minerals occur as tiny inclusions in biotite and form dis ...
... occurs as disseminations and lenses parallel to regional foliation . Two types of biotite ( green and brown ) occur in association with phosphate mineralisation . Radioactive minerals occur as tiny inclusions in biotite and form dis ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal