Records of the Geological Survey of India, Volume 107The Survey, 1976 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
From inside the book
Results 1-3 of 85
Page 266
... rocks are interpreted as forming the basement for the Aravalli succession . Outcrops of basalt ( Deccan Trap ) are found capping the Pre- cambrian rocks at a few places . Veins and reefs of white quartz are seen traversing the Precambrian ...
... rocks are interpreted as forming the basement for the Aravalli succession . Outcrops of basalt ( Deccan Trap ) are found capping the Pre- cambrian rocks at a few places . Veins and reefs of white quartz are seen traversing the Precambrian ...
Page 25
... rocks have granular chalcedony , epidote , iron - ore grains , pyroxene and zeolite as the main minerals . Plate 11 , Figure 3 exhibits their nature . The rocks are fresh in the quarry near the village and show zeolites averaging 5 mm ...
... rocks have granular chalcedony , epidote , iron - ore grains , pyroxene and zeolite as the main minerals . Plate 11 , Figure 3 exhibits their nature . The rocks are fresh in the quarry near the village and show zeolites averaging 5 mm ...
Page 42
... rocks Generally , all the schistose rocks show a conspicuously high proportion of sericite developed in them along the contact with the gneissic granite . This pheno- menon is observed in practically every variety of schistose rock and ...
... rocks Generally , all the schistose rocks show a conspicuously high proportion of sericite developed in them along the contact with the gneissic granite . This pheno- menon is observed in practically every variety of schistose rock and ...
Other editions - View all
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