Records of the Geological Survey of India, Volume 129, Parts 2-3The 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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... schist , quartz - chlorite - biotite schist , meta- ultramafites , gabbbro , quartzite , metabasalt ( massive , schistose , amygdaloidal ) and mylonitised quartz schist . The Chaibasa Formation consists of quartz- schist ( mylonitised ) ...
... schist , quartz - chlorite - biotite schist , meta- ultramafites , gabbbro , quartzite , metabasalt ( massive , schistose , amygdaloidal ) and mylonitised quartz schist . The Chaibasa Formation consists of quartz- schist ( mylonitised ) ...
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... schist or in metabasite , in form of vein , veinlets , streaks and dis- seminations . The pyrite mineralisation in general , is more commonly associated either with interfolial quartz in quartz chlorite schist + biotite or with quart ...
... schist or in metabasite , in form of vein , veinlets , streaks and dis- seminations . The pyrite mineralisation in general , is more commonly associated either with interfolial quartz in quartz chlorite schist + biotite or with quart ...
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... schist , feldspathic quartzite and andalusite schist . The feldspathic quartzite strikes NE - SW , dipping steeply towards NW . Cross - bedding , present in this band , indicates younging direction towards NW . The feldspathic quartzite ...
... schist , feldspathic quartzite and andalusite schist . The feldspathic quartzite strikes NE - SW , dipping steeply towards NW . Cross - bedding , present in this band , indicates younging direction towards NW . The feldspathic quartzite ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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acid volcanics aeromagnetic amphibolite analysis anomaly bands Barakar Barakar Formation Barren Measure basemetal basin belt 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 Madhya Pradesh magnetic mica schist migmatite mineralisation 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 soil sq km sq.km STAGE GEOTECHNICAL INVESTIGATION strike length structure sulphide survey Talchir terrain thickness tion Toposheet trending ultramafic upto varies West Bengal