Records of the Geological Survey of India, Volume 127, Parts 5-6The Survey, 1992 - 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 250
... gneiss / hornblende - biotite gneiss / augen gneiss , grey granite , pink granite , pink migmatite and pink pegmatoidal granite . Pegmatite and quartz veins traverse both the gneisses and granite . Karungalakkudi area forms an anti ...
... gneiss / hornblende - biotite gneiss / augen gneiss , grey granite , pink granite , pink migmatite and pink pegmatoidal granite . Pegmatite and quartz veins traverse both the gneisses and granite . Karungalakkudi area forms an anti ...
Page 259
... gneiss occurs a lensoidal body of garnetiferous biotite gneiss ( retrogressed charnockitic gneiss ) showing discordant relationship containing numerous metagabbro and metapyroxenite enclaves . The general trend of foliation in horn ...
... gneiss occurs a lensoidal body of garnetiferous biotite gneiss ( retrogressed charnockitic gneiss ) showing discordant relationship containing numerous metagabbro and metapyroxenite enclaves . The general trend of foliation in horn ...
Page 263
... gneiss in the area SE of Orambu and south of Periyakkavundapuram . Incidence of sul- phide mineralisation is also recorded in both the anomaly zones and soil samples drawn from the zones have shown values of Cu 60 115 ppm , Ni 60 180 ...
... gneiss in the area SE of Orambu and south of Periyakkavundapuram . Incidence of sul- phide mineralisation is also recorded in both the anomaly zones and soil samples drawn from the zones have shown values of Cu 60 115 ppm , Ni 60 180 ...
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Common terms and phrases
acid alignment amphibolite ANDHRA PRADESH anomaly bands basalt basic basin biotite biotite gneiss block boreholes calc-silicate charnockite chert chlorite covered 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 Gondwana grained granite granite gneiss granitoids granulite grey Group hornblende indicated intrusives joints KARNATAKA kimberlite laterite limestone lineament located MADHYA PRADESH mafic magnetite MAHARASHTRA metabasalt migmatite mineral mineralised zone NE-SW NNW-SSE NW-SE occur pegmatite phyllite pink granite plagioclase porphyritic Project pyrite pyroxene quartz quartz veins quartzite Quaternary regional reservoir river Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone slopes soil spillway sq km sq.km strike length structures studies sulphide Supergroup surveys TAMIL NADU thick toposheet traverse trench trending tuff tunnel upto values volcanics weathered width के