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 119
... basic rocks ( pyroxenite , metadolerite and amphibolite ) . The basic intrusives show mineralisation ; the chemical analysis revealed the presence of Co , Ni , Pb and Zn . The basic intrusives are mostly covered by lateritic soil ...
... basic rocks ( pyroxenite , metadolerite and amphibolite ) . The basic intrusives show mineralisation ; the chemical analysis revealed the presence of Co , Ni , Pb and Zn . The basic intrusives are mostly covered by lateritic soil ...
Page 177
... Basic rocks , generally concordant with country rocks , are mainly biotite - hornblende schist Grey limestone Grey to buff quartzite with dark slate Black slate and phyllite with basic schist and calcareous bands Age Precambrian -Garsha ...
... Basic rocks , generally concordant with country rocks , are mainly biotite - hornblende schist Grey limestone Grey to buff quartzite with dark slate Black slate and phyllite with basic schist and calcareous bands Age Precambrian -Garsha ...
Page 186
... basic flows . These are intruded by porphyritic granite , ultramafite , basic dykes and sills , and quartz veins ( auriferous at places ) . The underlying Bababudan Group represents a platformal sequence and the overlying Chitradurga ...
... basic flows . These are intruded by porphyritic granite , ultramafite , basic dykes and sills , and quartz veins ( auriferous at places ) . The underlying Bababudan Group represents a platformal sequence and the overlying Chitradurga ...
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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