Records of the Geological Survey of India, Volume 113, Parts 4-6The Survey, 1980 - 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 105
... samples and other samples from North Eastern Region especially from Bapung coal fields , Jaintia Hills Dt , Meghalaya have been analysed and presented in this paper . The improved X - ray Fluoresence Technique ( Tomi- naga , 1974 ) has ...
... samples and other samples from North Eastern Region especially from Bapung coal fields , Jaintia Hills Dt , Meghalaya have been analysed and presented in this paper . The improved X - ray Fluoresence Technique ( Tomi- naga , 1974 ) has ...
Page 106
... samples ( one a sand- stone sample from Bapung mines and the second one a fly ash sample from the coal of Nongwal ... samples and five rock samples from Nongwalbibra ( East Garo Hills ) , six coal sample from Borsara ( West Khasi Hills ) ...
... samples ( one a sand- stone sample from Bapung mines and the second one a fly ash sample from the coal of Nongwal ... samples and five rock samples from Nongwalbibra ( East Garo Hills ) , six coal sample from Borsara ( West Khasi Hills ) ...
Page 39
... Samples from these veins on panning showed traces of gold . Most of the samples showed more than one gm / tonne gold . One sample from AW No. 13 gave 26 gm / tonne gold over 0.10 m width . Geochemical Sampling The area to the south and ...
... Samples from these veins on panning showed traces of gold . Most of the samples showed more than one gm / tonne gold . One sample from AW No. 13 gave 26 gm / tonne gold over 0.10 m width . Geochemical Sampling The area to the south and ...
Contents
Exploration for coal with particular reference to Tertiary coalfields of North Eastern India | 1 |
Problems of correlation of PreGondwana rock units of Arunachal Pradesh and adjoining areasa review | 15 |
The Sung Valley alkaline ultramafic carbonatite complex East Khasi and Jaintia Hills districts Meghalaya 24 | 24 |
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alluvium anorthosite assemblage associated augite bands basalt flows basin beds belt biotite Bombay bore holes borehole breccia calcite carbonatite Charnockite chert chlorite chromite clay clinopyroxene coal complex Deccan Trap deposits developed district drainage drilling dykes fault felspar fluorite folds Formation fossil fragments geochemical Geol Geological Survey geomorphic gneisses Gondwana grade grains granite granulites greisens grey groundmass Group hills Himalayas ijolite indicated intrusive laterite layers limestone magnetite Manipur mapping metamorphic metres migmatites mineralisation minerals Narmada NW-SE occur olivine ophiolite phenocrysts phosphorite phyllite plagioclase Plate porphyritic Pradesh present pyroclastic pyroxene pyroxenite quartz quartz veins quartzite region river rocks samples sandstone schist seam sedimentary sediments sequence serpentinite shale sillimanite soil stratigraphic structure studies sub-surface surface Surv Survey of India Tapti tectonic thickness thin tion trending tuff ultramafic Unpublished GSI Report upto Vaghur valley volcanic zone