Records of the Geological Survey of India, Volume 127, Part 2The Survey, 1994 - 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 35
... sequence designed as Sonakhan Group overlain by lowly metamorphosed Bilari Group of volcanogenic sedi- ment . The whole sequence resting unconformably on Granite- gneiss of Bastar Craton is in turn overlain by Chhattisgarh cover ...
... sequence designed as Sonakhan Group overlain by lowly metamorphosed Bilari Group of volcanogenic sedi- ment . The whole sequence resting unconformably on Granite- gneiss of Bastar Craton is in turn overlain by Chhattisgarh cover ...
Page 131
... sequence , ( ii ) Singhi Formation constituting the volcanic sequence and ( iii ) Deshchiling Formation repre- senting the supra - volcanic sediments ( Table - 1 ) Description of the newly erected Chekha , Singhi and Desh- chiling ...
... sequence , ( ii ) Singhi Formation constituting the volcanic sequence and ( iii ) Deshchiling Formation repre- senting the supra - volcanic sediments ( Table - 1 ) Description of the newly erected Chekha , Singhi and Desh- chiling ...
Page 135
... sequence . The granite forms the single largest pluton of Bhutan and has effected contact metamorphism . The general trend of the rock formations is E - W with dips usually towards the north , trend changes to NW - SE in the Melunghi ...
... sequence . The granite forms the single largest pluton of Bhutan and has effected contact metamorphism . The general trend of the rock formations is E - W with dips usually towards the north , trend changes to NW - SE in the Melunghi ...
Contents
Photogeology Remote Sensing Division | 29 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 146240 | 149 |
Overview of the Deputy Director General | 243 |
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Common terms and phrases
aeromagnetic airborne amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures basin Bengal BHUTAN Bihar biotite block boreholes carbonaceous charnockite Chekha clay coal seams COAL WING Coalfield Code cores covered cruise depth range DISTRICT Division drilling east eastern exploration for coal faults field season fold geochemical GEOLOGICAL MAP geophysical data gneiss Gondwana granite gneiss gravity grey ground evaluation heavy mineral indicate intersected intrusives investigation isobath Kamthi LAMPROITE lamprophyres lignite lineament located MADHYA PRADESH magnetic metabasalt metamorphism migmatites million tonnes mineralisation multisensor NW-SE occur Orissa phyllite programme Proterozoic quartz quartzite Raniganj Regional exploration ridge rocks Sakoli sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zones Shumar slope southern sq km strike length structural studies sub-basin sub-surface Survey of India Talchir Tamil Nadu tectonic thickness Thimphu toposheet trending upto varies