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 66
Cretaceous Lochambal bed Basic intrusives Black , lustrous shale rich in ammonite Spiti Shales Chidamu beds Black , nodular shale with thin lime- stone bands Belemnite gerardi bed Jurassic Laptal beds Shell lime- stone Kioto lime- stone ...
Cretaceous Lochambal bed Basic intrusives Black , lustrous shale rich in ammonite Spiti Shales Chidamu beds Black , nodular shale with thin lime- stone bands Belemnite gerardi bed Jurassic Laptal beds Shell lime- stone Kioto lime- stone ...
Page 306
... shale , sandstone and chert , few centemetres to a metre thick , which together with the limestone exhibit a variety of sedimen- tary structures . The Sirbu Shale is purple , olive green and thinly laminated with laminae of calcite and ...
... shale , sandstone and chert , few centemetres to a metre thick , which together with the limestone exhibit a variety of sedimen- tary structures . The Sirbu Shale is purple , olive green and thinly laminated with laminae of calcite and ...
Page 121
... shale is buff , grey , brown , purple or white . It is finely laminated and splintery . It is non - calcareous . Paniam The Paniam Group comprises a gritty quartzite in the lower part and a shale with interbedded platy quartzite in the ...
... shale is buff , grey , brown , purple or white . It is finely laminated and splintery . It is non - calcareous . Paniam The Paniam Group comprises a gritty quartzite in the lower part and a shale with interbedded platy quartzite in the ...
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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