Records of the Geological Survey of India, Volume 129, Parts 2-3The Survey, 1998 - 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 98
... collected from biotite monzonite , metasedimentary rocks and amphibolites . In Vajrakarur block the rock types encountered constitute granite gneiss , migmatites , intrusive granites , amphibolites , ferruginous quartzites , and ...
... collected from biotite monzonite , metasedimentary rocks and amphibolites . In Vajrakarur block the rock types encountered constitute granite gneiss , migmatites , intrusive granites , amphibolites , ferruginous quartzites , and ...
Page 125
... collected at selected places to ascer- tain the compositional variation of rock types . The complex magnetic pattern in the area indi- cates inhomogeneity in the geological setup and structure while the radiometric responses reveal the ...
... collected at selected places to ascer- tain the compositional variation of rock types . The complex magnetic pattern in the area indi- cates inhomogeneity in the geological setup and structure while the radiometric responses reveal the ...
Page 167
... collected on board and subsequent laboratory work are enu- merated below . 1. The mount ( 12 ° 52 ' to 13 ° 00'N 75 ° 31 ' to 75 ° 38'E ) off Mangalore covers an area of 110 sq . km and water depth to the base of the mount on the east ...
... collected on board and subsequent laboratory work are enu- merated below . 1. The mount ( 12 ° 52 ' to 13 ° 00'N 75 ° 31 ' to 75 ° 38'E ) off Mangalore covers an area of 110 sq . km and water depth to the base of the mount on the east ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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acid volcanics aeromagnetic amphibolite anomaly bands Barakar Barakar Formation Barren Measure basemetal basic basin belt Bhutan Bihar biotite block boreholes charnockite Chhotanagpur clay coal seams Coalfield coarse Code core covered depth district Division drilling dykes east eastern faults field season foliation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION Ghosh gneiss gneissic gold Gondwana grade grained granite granite gneiss grey ground evaluation heavy minerals India indicated intersected intrusives Kamthi laterite limestone lineament located magnetic mica schist migmatite mineralisation nala NW-SE occur Orissa OVERVIEW pegmatite phyllite plagioclase Pradesh programme Project Proterozoic Purulia Purulia district quartz quartz veins quartzite Raniganj REGIONAL EXPLORATION river samples sand sandstone scale schist seam zones sector sediments sequence shale shear zone Sikkim Singhbhum southern sq km sq.km STAGE GEOTECHNICAL INVESTIGATION strike length structure sulphide surface survey Talchir terrain thickness tion Toposheet trending ultramafic upto varies West Bengal