Records of the Geological Survey of India, Volume 127, Parts 5-6The Survey, 1994 - 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 19
... width ( Plate ) . The surface manifestations of mineralisation noticed are in the form of limonitisation and oxidisation . At places , these zones are marked by epidotisation , sericitisation and biotitisation . In all , 5 zones were ...
... width ( Plate ) . The surface manifestations of mineralisation noticed are in the form of limonitisation and oxidisation . At places , these zones are marked by epidotisation , sericitisation and biotitisation . In all , 5 zones were ...
Page 23
... width of about 2 m . The mineralised zone at the contact between the quartzo - feldspathic gneiss and schistose amphibolite explored at 60 , 90 , 120 and 180 m depths below the surface in the northern part , extends for a strike length ...
... width of about 2 m . The mineralised zone at the contact between the quartzo - feldspathic gneiss and schistose amphibolite explored at 60 , 90 , 120 and 180 m depths below the surface in the northern part , extends for a strike length ...
Page 137
... width . Amphibolite occurs as impersistent bands within gneiss , parallel to the foliation . It is medium - grained ranging in width from 1 to 20 m and occasionally more than 300 m long . The ferruginous quartzite occurs as small ...
... width . Amphibolite occurs as impersistent bands within gneiss , parallel to the foliation . It is medium - grained ranging in width from 1 to 20 m and occasionally more than 300 m long . The ferruginous quartzite occurs as small ...
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Common terms and phrases
acid alignment amphibolite analysed ANDHRA PRADESH anomaly bands basalt basic basin biotite biotite gneiss block boreholes calc-silicate charnockite chert chlorite Deccan Trap deformation depth dips DISTRICT dolerite drilling dykes enclaves ENE-WSW excavation exposed flows folds foliation Formation fractures gabbro garnet garnetiferous geochemical GEOLOGICAL MAP geophysical gneiss gneissic gold Gondwana granite granite gneiss granitoids granulite grey Group hornblende indicated intrusives joints KARNATAKA kimberlite laterite lineament located magnetite magnetite quartzite MAHARASHTRA metabasalt migmatite mineral mineralised zone NE-SW NNW-SSE NW-SE occur pegmatite phyllite pink granite porphyritic PRADESH Code Project pyrite pyroxene pyroxene granulite pyroxenite quartz quartz veins quartzite quartzo-feldspathic Quaternary regional reservoir river rock types Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone slope soil sq km sq.km strike length studies sulphide Supergroup surveys TAMIL NADU thick toposheet traverse trench trending tunnel upto values volcanics width के