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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Results 1-3 of 52
Page 141
... mineralisation appears to be related to boron metasomatism which serve as an useful indicator in identifying new zones of tungsten mineralisation . Currently the detailed exploration is under progress at Kuhi and Khobna Prospects to ...
... mineralisation appears to be related to boron metasomatism which serve as an useful indicator in identifying new zones of tungsten mineralisation . Currently the detailed exploration is under progress at Kuhi and Khobna Prospects to ...
Page 147
... mineralised greisen and to study the visual dispersion of wolframite in them . Good mineralisation was exposed in trench nos . I , II and III . Other trenches which were put to prove merely the strike extension also struck mineralisation ...
... mineralised greisen and to study the visual dispersion of wolframite in them . Good mineralisation was exposed in trench nos . I , II and III . Other trenches which were put to prove merely the strike extension also struck mineralisation ...
Page 148
... mineralisation Occurring over 1 km strike length and 300 m width is located 0.5 m west of the zone - I . The mineralisation occurs as segregated mass and small discrete crystals of wolframite in quartz- tourmaline - mica greisen ...
... mineralisation Occurring over 1 km strike length and 300 m width is located 0.5 m west of the zone - I . The mineralisation occurs as segregated mass and small discrete crystals of wolframite in quartz- tourmaline - mica greisen ...
Contents
Part | 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 |
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Common terms and phrases
alluvium anorthosite assemblage associated augite bands basalt flows basin beds belt biotite Bombay bore holes borehole calcite carbonatite Charnockite chert chlorite chromite clay clinopyroxene coal complex Deccan Trap deposits developed district drainage dykes emplaced fault felspar fluorite folds Formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic gneisses Gondwana grade grains granite granulites greisens grey groundmass Group hill Himalayas ijolite indicated intrusive laterite layers limestone magnetite Manipur mapping Meghalaya metamorphic metres migmatites mineralisation minerals Narmada occur olivine opaque 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