Records of the Geological Survey of India, Volume 107The Survey, 1976 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 70
... gneiss , ( c ) porphyroblastic gneiss , Metatexites and ( e ) Diatexites . These variants are results of progressive granitisation . Studies on the Landsdowne granite in the Pauri district indicated that the granite body is emplaced by ...
... gneiss , ( c ) porphyroblastic gneiss , Metatexites and ( e ) Diatexites . These variants are results of progressive granitisation . Studies on the Landsdowne granite in the Pauri district indicated that the granite body is emplaced by ...
Page 278
... gneiss and amphibolites while granite , aplite and epidiorite occur as intrusives . The general trend of the formations varies from NNE - SSW to NE - SW with 50 ° to 70 ° dips towards west . Copper mineralisation is confined to shear ...
... gneiss and amphibolites while granite , aplite and epidiorite occur as intrusives . The general trend of the formations varies from NNE - SSW to NE - SW with 50 ° to 70 ° dips towards west . Copper mineralisation is confined to shear ...
Page 77
... gneiss Archaean ( ii ) 29 Opposite Gaya Rly . Stn . ( Gaya - Dhobi Road ) . -do- 379.00 87.61 2 Granite gneiss " " 24 miles from Gaya on 85.12 Gaya - Dhobi Road . 3 " " 4 furlongs south of sample No. 2 42.15 4 19 At M. S. 3/3 from Gaya ...
... gneiss Archaean ( ii ) 29 Opposite Gaya Rly . Stn . ( Gaya - Dhobi Road ) . -do- 379.00 87.61 2 Granite gneiss " " 24 miles from Gaya on 85.12 Gaya - Dhobi Road . 3 " " 4 furlongs south of sample No. 2 42.15 4 19 At M. S. 3/3 from Gaya ...
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amphibolite Andhra Pradesh Archaean bands basalt basin bauxite beds Bihar biotite block boreholes carried chalcopyrite chlorite clay Coalfield conglomerate copper cores Deccan Trap Delhi deposits depth Director district Division dolerite drilling epidote exposed felspar folds formation fossil galena geochemical Geol geological mapping Geological Survey Geologists Jr geophysical Ghosh Glossopteris Glossopteris flora gneiss gneissic complex Gondwana grade grained granite gneiss greenish greenstone belts grey Group hill holes horizon indicated investigation Kashmir Kurnool laterite limestone Lower mapped an area metamorphism mineralisation minerals occur Panjal trap pegmatite phyllite pits Project pyrite quartz quartz veins quartzite Quaternary Rajasthan Raniganj regional river rock types samples sand sandstone Sarvashri scale schist schistose seams sediments shale shear zone Shri Singh Siwalik spillway sq km Srivastava stratigraphic studies sulphide Survey of India thickness traverse trending tunnel unconformity Upper upto valley varies Vindhyan