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 82
... sandstone inter- beds in the Sylhet limestone be named as ( in discending order ) : ( a ) Prang lime- stone , ( b ) Narpuh sandstone , ( c ) Umlatdoh limestone , ( d ) Lakadong sandstone and ( e ) Lakadong Limestone . They designated ...
... sandstone inter- beds in the Sylhet limestone be named as ( in discending order ) : ( a ) Prang lime- stone , ( b ) Narpuh sandstone , ( c ) Umlatdoh limestone , ( d ) Lakadong sandstone and ( e ) Lakadong Limestone . They designated ...
Page 85
... sandstones . Therefore , on the Plateau we will map only Sylhet Sandstone and Sylhet Limestone ; if the limestone is the lower band as in Cherrapunji ( 25 ° 15 ′ : 91 ° 44 ′ ) and Mawsynram Plateau , only by implica- tion , the sandstone ...
... sandstones . Therefore , on the Plateau we will map only Sylhet Sandstone and Sylhet Limestone ; if the limestone is the lower band as in Cherrapunji ( 25 ° 15 ′ : 91 ° 44 ′ ) and Mawsynram Plateau , only by implica- tion , the sandstone ...
Page 88
... Sandstone Member Member Sylhet Sandstone Member SHELLA FORMATLON duga Middle Sylhet Sandstone Member Lower Sylhet limestone Member Lower Sylhet Sandstone Member BOAT ALT dato to basd TE Ye Ji SHELLA FORMATION T LAINEIA GROU JAINTIA ...
... Sandstone Member Member Sylhet Sandstone Member SHELLA FORMATLON duga Middle Sylhet Sandstone Member Lower Sylhet limestone Member Lower Sylhet Sandstone Member BOAT ALT dato to basd TE Ye Ji SHELLA FORMATION T LAINEIA GROU JAINTIA ...
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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