Records of the Geological Survey of India, Volume 110The Survey, 1978 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 92
... quartz schist , chlorite - quartz - sericite schist , etc. Limonitisation , malachite stains , ancient workings and presence of slags are the indications of copper mineralisation in the area . Copper mineralisation is mainly hosted in S ...
... quartz schist , chlorite - quartz - sericite schist , etc. Limonitisation , malachite stains , ancient workings and presence of slags are the indications of copper mineralisation in the area . Copper mineralisation is mainly hosted in S ...
Page 196
... quartz veins , one is auriferous which is located at the contact of tuff with schistose amphibolites . The lode is traceable over a strike length of 300m . One ( VBH - 42 ) of the four boreholes drilled to test this mineralised quartz ...
... quartz veins , one is auriferous which is located at the contact of tuff with schistose amphibolites . The lode is traceable over a strike length of 300m . One ( VBH - 42 ) of the four boreholes drilled to test this mineralised quartz ...
Page 187
... quartz - arenite consisting predominantly of quartz ( more than 90 % ) and minor amounts of polycrystalline quartz with magnetite , apatite , tourmaline and sphene as accessories . The Khajrahat Limestone of Barora section is dark grey ...
... quartz - arenite consisting predominantly of quartz ( more than 90 % ) and minor amounts of polycrystalline quartz with magnetite , apatite , tourmaline and sphene as accessories . The Khajrahat Limestone of Barora section is dark grey ...
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amphibolite Andhra Pradesh anomaly anorthosite Archaean Asstt bands Banerjee basalt basemetal basin bauxite belt Bihar biotite boreholes Calcutta carried chalcopyrite charnockite clay coal conglomerate deposits depth dips district dolerite dolomite drilling dykes Eastern facies folds Formation fossils Gangpur geochemical Geol Surv Ind Geological Survey Geologist Jr Geology Division Geophysical geotechnical Ghosh gneiss Gondwana granite granite gneiss granulite Gupta Headquarters indicated intrusive investigated Kumar Laboratory laterite lava limestone line km Madhya Pradesh magnetite Mallampalli mapped metamorphism mineral mineralisation Mulug Murthy nala occur Orissa Pakhal pegmatite phyllite Precambrian Project pyrite quartz veins quartzite Rajasthan Rec Geol Surv region river S/Shri samples sand sandstone Sarkar scale schist seams sedimentary sediments sequence shale shear zone Shri Singh Singhbhum granite Sinha sq km sq km area Srivastava stratigraphic structures studies Sullavai Supergroup Survey of India tectonic thick traverse trending tunnel upto valley Vindhyan volcanic West Bengal