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 72
... Quartzite Karget Phyllite Marchula Quartzite Garnet - mica schist and mica schist with bands of schistose and flaggy quartzite and granite gneiss . Mica schist and phyllite with grey schistose micaceous quartzite , dirty brown quartzite ...
... Quartzite Karget Phyllite Marchula Quartzite Garnet - mica schist and mica schist with bands of schistose and flaggy quartzite and granite gneiss . Mica schist and phyllite with grey schistose micaceous quartzite , dirty brown quartzite ...
Page 143
... quartzites . T Pebbly quartzite , phyllite , quartzite F T F Gondwana Middle Unit of Siwalik Biotite gneisses , augen gneisses and quartz - mica schist T T Carbonaceous shales and grey quartzitic sandstone with occasional sheared coal ...
... quartzites . T Pebbly quartzite , phyllite , quartzite F T F Gondwana Middle Unit of Siwalik Biotite gneisses , augen gneisses and quartz - mica schist T T Carbonaceous shales and grey quartzitic sandstone with occasional sheared coal ...
Page 208
... quartzite and haematite quartzite , and granite and granite gneiss , have been mapped . All these are intruded by dolerite dykes , pegmatites and quartz veins . Cuddapah district B. K. Nagaraja Rao mapped an area of 760 sq km ( 14 ° 17 ...
... quartzite and haematite quartzite , and granite and granite gneiss , have been mapped . All these are intruded by dolerite dykes , pegmatites and quartz veins . Cuddapah district B. K. Nagaraja Rao mapped an area of 760 sq km ( 14 ° 17 ...
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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