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 123
... phyllite and carbona- ceous phyllite and within dolomitic limestone . The zones with widths varying from 3 to 10m have been traced for a strike length of 100 m to 150 m . The limonitised zones contain specks of galena , pyrite and ...
... phyllite and carbona- ceous phyllite and within dolomitic limestone . The zones with widths varying from 3 to 10m have been traced for a strike length of 100 m to 150 m . The limonitised zones contain specks of galena , pyrite and ...
Page 133
... 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 bluish grey , fine grained ...
... 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 bluish grey , fine grained ...
Page 134
... phyllite with carbonaceous phyllite bands and lenses Well foliated and jointed flaggy quartzite with minor phyllite partings , contain a 10m thick banded magnetic quartzite horizon at the base Mainly phyllite with thin limestone bands ...
... phyllite with carbonaceous phyllite bands and lenses Well foliated and jointed flaggy quartzite with minor phyllite partings , contain a 10m thick banded magnetic quartzite horizon at the base Mainly phyllite with thin limestone bands ...
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