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 103
... comprising portions of the core trench , core base and abutments of the main dam , has been mapped on 1 : 300 scale to demarcate the portions requiring further stripping or treatment . About 0.10 sq km , comprising main dam and left ...
... comprising portions of the core trench , core base and abutments of the main dam , has been mapped on 1 : 300 scale to demarcate the portions requiring further stripping or treatment . About 0.10 sq km , comprising main dam and left ...
Page 155
... comprise dolerite , epidiorite , amphibolite , hornblende schist and chlorite - biolite schist . Gneisses comprising granite gneiss and quartz - biotite gneiss , and porphyritic granite cover most of the area . These rocks are traversed ...
... comprise dolerite , epidiorite , amphibolite , hornblende schist and chlorite - biolite schist . Gneisses comprising granite gneiss and quartz - biotite gneiss , and porphyritic granite cover most of the area . These rocks are traversed ...
Page 156
... comprising conglome- rates , grits and coarse - grained sandstones ; Andaman flysch group comprising alternation of fine - grained , thinly bedded sandstone , siltstone , and clay beds , ( Eocene - Oligocene ) ; and Archipelago group ...
... comprising conglome- rates , grits and coarse - grained sandstones ; Andaman flysch group comprising alternation of fine - grained , thinly bedded sandstone , siltstone , and clay beds , ( Eocene - Oligocene ) ; and Archipelago group ...
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Common terms and phrases
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