Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1989 - 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 140
... gneiss , quartzofeldspathic gneiss , migmatitic gneiss with intervening bands of meta- basic and calc silicate rocks . The migmatitic gneiss occur close to the bands of sillimanite gneisses . A late acidic intrusive phase , represented ...
... gneiss , quartzofeldspathic gneiss , migmatitic gneiss with intervening bands of meta- basic and calc silicate rocks . The migmatitic gneiss occur close to the bands of sillimanite gneisses . A late acidic intrusive phase , represented ...
Page 171
... gneiss terrain ( Bengpal Gneiss ) is tentatively considered to be a member of the Dongargarh Super Group . The Sakoli rocks , which constitute the main lithotectonic unit of the study area , are represented by quartzite , phyllite ...
... gneiss terrain ( Bengpal Gneiss ) is tentatively considered to be a member of the Dongargarh Super Group . The Sakoli rocks , which constitute the main lithotectonic unit of the study area , are represented by quartzite , phyllite ...
Page 191
... Gneissic Complex forming basement of the area are biotite gneiss , augen gneiss , banded gneiss ( with horn- blende & biotite and quartz & feldspar bands ) , granite gneiss , quartz - mica schist , quartzite , am- phibolite , migmatite ...
... Gneissic Complex forming basement of the area are biotite gneiss , augen gneiss , banded gneiss ( with horn- blende & biotite and quartz & feldspar bands ) , granite gneiss , quartz - mica schist , quartzite , am- phibolite , migmatite ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
Copyright | |
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aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Barakar Formation basement basin Bhutan BIHAR block boreholes carbonaceous chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP Ghosh gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament located MADHYA PRADESH magnetic magnetite medium metamorphism million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km stratigraphic strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone