Records of the Geological Survey of India, Volume 142, Part 2The Survey, 2009 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 28
... gneiss , migmatites , augen gneiss closely associated with the metasediments . Interestingly , few geochronological data that exist suggest that these granitoid rocks were emplaced close to the depositional ages of the associated ...
... gneiss , migmatites , augen gneiss closely associated with the metasediments . Interestingly , few geochronological data that exist suggest that these granitoid rocks were emplaced close to the depositional ages of the associated ...
Page 29
... gneiss as far south as the Roop Ganga Valley . Granite gneiss from near Har - ki - Dun in the Tons Valley ( Transect IV ) indicated a poorly defined 206 Pb / 207 Pb date of ~ 678 Ma . This also confirms the Neoproterozoic age of this ...
... gneiss as far south as the Roop Ganga Valley . Granite gneiss from near Har - ki - Dun in the Tons Valley ( Transect IV ) indicated a poorly defined 206 Pb / 207 Pb date of ~ 678 Ma . This also confirms the Neoproterozoic age of this ...
Page 54
... gneiss with conformably layered mafic granulites ( in the eastern parts ) ; enclaves of calc and mafic granulites , khondalites and metapelites within granite gneiss in the central parts . Granitic gneisses dominate the western parts of ...
... gneiss with conformably layered mafic granulites ( in the eastern parts ) ; enclaves of calc and mafic granulites , khondalites and metapelites within granite gneiss in the central parts . Granitic gneisses dominate the western parts of ...
Contents
प्राक्कथन | 1 |
PALAEONTOLOGY DIVISIONI | 20 |
GEODATA AND DATABASE DIVISION | 31 |
Copyright | |
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alteration zones AMSE Wing Andhra Pradesh anomaly aquifer arsenic Barakar Barakar coal seams Barakar Formation Barren Measures Basin bathymetric Birbhum Block boreholes boreholes located carried Chhattisgarh chondrules clayey silt Coal Wing coarse coast Code collected cruise delineate deposits depth range District drilling east eastern exploration for coal fault field season Geological map geophysical logging geotechnical gneiss Gondwana grained granite gneiss granitoids gravity cores grey ground evaluation groundwater Himalaya intersected investigation Jharkhand Kerala lagoon lakes lignite lineaments Madhya Pradesh mineralisation NE-SW NW-SE Orissa pegmatite presence quartz quartzite radiometric Rajasthan Rajmahal Raniganj regional Barakar coal Regional exploration remote sensing rocks sand sandstone scale schist seabed seam zones Sector sediments seismic shallow shear sq km stream sediment studies sulphide survey Talcher Talcher Coalfield Tamil Nadu Territorial Waters Toposheet transects trending VALLEY COALFIELD varies water depths water samples West Bengal के तथा में