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 119
... Group in its central part . Conglomer- ate , sandstones and shales of Vindhyan Super Group occur in the northern part and sediments of Gondwana Supergroup , Lameta Formation and ba- sic volcanics ( Deccan Trap ) occur in the southern ...
... Group in its central part . Conglomer- ate , sandstones and shales of Vindhyan Super Group occur in the northern part and sediments of Gondwana Supergroup , Lameta Formation and ba- sic volcanics ( Deccan Trap ) occur in the southern ...
Page
... Group of rocks are represented mainly by Khondalites and are confined to the south eastern part of the area . They form N - S to ENE - WSW trending ridges separated from the gneissic group of rocks by a prominent shear zone . These ...
... Group of rocks are represented mainly by Khondalites and are confined to the south eastern part of the area . They form N - S to ENE - WSW trending ridges separated from the gneissic group of rocks by a prominent shear zone . These ...
Page 8
... group is correlated with the Badampahar Group oc- curring in the southern part of the toposheet No. 73 C / 13 . It comprises quartzite , mica - schist and interbanded basic volcanics intruded by metabasic ultrabasic rocks . The second ...
... group is correlated with the Badampahar Group oc- curring in the southern part of the toposheet No. 73 C / 13 . It comprises quartzite , mica - schist and interbanded basic volcanics intruded by metabasic ultrabasic rocks . The second ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
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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