Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1991 - 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 127
Geological Survey of India. INVESTIGATION OF QUARTZITE IN TINTALI AREA , SAMCHI DISTRICT , BHUTAN ( Code No. IM / 78A / CHQ / BHT / 88 ) A.K. Raychaudhury Bhutan Unit , Samchi JITI RIVER - INDEX Quartzite Epidiorite Debris / scree ...
Geological Survey of India. INVESTIGATION OF QUARTZITE IN TINTALI AREA , SAMCHI DISTRICT , BHUTAN ( Code No. IM / 78A / CHQ / BHT / 88 ) A.K. Raychaudhury Bhutan Unit , Samchi JITI RIVER - INDEX Quartzite Epidiorite Debris / scree ...
Page 133
... quartzite with minor dark grey phyllite interbands and metabasics . BUXA GROUP Manas h . Dark grey phyllite with minor quartzite bands . Formation g . Purple to dark grey greasy phyllite with rare purple limestone bands . f . Grey to ...
... quartzite with minor dark grey phyllite interbands and metabasics . BUXA GROUP Manas h . Dark grey phyllite with minor quartzite bands . Formation g . Purple to dark grey greasy phyllite with rare purple limestone bands . f . Grey to ...
Page 135
... quartzite , at places grading to micaceous quartzite . Greenish and greyish chloritic and calcareous phyllite . Contain number of grey and white coloured fine grained crystalline limestone bands . C. B. A. Top 100 m is mainly well ...
... quartzite , at places grading to micaceous quartzite . Greenish and greyish chloritic and calcareous phyllite . Contain number of grey and white coloured fine grained crystalline limestone bands . C. B. A. Top 100 m is mainly well ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Formation BARREN MEASURES FORMATION basement basin Bhutan block boreholes carbonaceous Central 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 gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament MADHYA PRADESH magnetic magnetite medium metamorphism migmatite 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 Stratigraphy strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone