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 153
... Group . The two Groups are separated by a distinct erosional unconformity , marked by a prominent conglomerate horizon . Group - I rocks , comprising fuchsite quartzites and mica schists , associated with chlorite schists and meta ...
... Group . The two Groups are separated by a distinct erosional unconformity , marked by a prominent conglomerate horizon . Group - I rocks , comprising fuchsite quartzites and mica schists , associated with chlorite schists and meta ...
Page 156
... group ( Me- sozoic ) ; Mithakhari group ( Upper Cretaceous - Eocene ) comprising conglome- rates , grits and coarse - grained sandstones ; Andaman flysch group comprising alternation of fine - grained , thinly bedded sandstone ...
... group ( Me- sozoic ) ; Mithakhari group ( Upper Cretaceous - Eocene ) comprising conglome- rates , grits and coarse - grained sandstones ; Andaman flysch group comprising alternation of fine - grained , thinly bedded sandstone ...
Page 84
to group it as a member of the Shella Formation . In terms of facies also it is more logical to group the sandstone with the alternations of the limestone - sand- stones rather than arbitrarily separate it as a distinct stage or ...
to group it as a member of the Shella Formation . In terms of facies also it is more logical to group the sandstone with the alternations of the limestone - sand- stones rather than arbitrarily separate it as a distinct stage or ...
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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