Records of the Geological Survey of India, Volume 88The Survey, 1954 - 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 54
... pegmatites . The granites , gneisses and schists are cut by a number of pegmatitic veins and by dykes mostly of dolerite . The pegmatites in granites and gneisses are composed only of quartz and felspar , but those in schists contain ...
... pegmatites . The granites , gneisses and schists are cut by a number of pegmatitic veins and by dykes mostly of dolerite . The pegmatites in granites and gneisses are composed only of quartz and felspar , but those in schists contain ...
Page 80
... pegmatites with well differentiated quartz and feldspar zones . Most of the pegmatites occurring in the above mentioned localities yield small quantities of beryl intermittently during the course of mica mining . How- ever , the pegmatites ...
... pegmatites with well differentiated quartz and feldspar zones . Most of the pegmatites occurring in the above mentioned localities yield small quantities of beryl intermittently during the course of mica mining . How- ever , the pegmatites ...
Page 133
... pegmatites of the following areas be further prospected : -Kharkuta ( 24 ° 26'30 " : 85 ° 09 ' ) , Partango ( 24 ... pegmatites in the Simdega Sub - division ( sheets 73 B / 2 and B / 6 ) . On account of small size of books , he does not ...
... pegmatites of the following areas be further prospected : -Kharkuta ( 24 ° 26'30 " : 85 ° 09 ' ) , Partango ( 24 ... pegmatites in the Simdega Sub - division ( sheets 73 B / 2 and B / 6 ) . On account of small size of books , he does not ...
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Common terms and phrases
abutment alignment alluvium amphibolites Andhra Archaean Assistant Geologist B. C. Roy B.Sc bands Bengal Bihar biotite Bombay bore-holes charnockites Circle clay coal consist Cuddapah dam-site Deccan Trap deposits depth district district.-Mr dolerite drilling Dutt dykes east eastern examined exposed feet thick ferruginous foliation formations fossils geol geological mapping Geological Survey Ghosh gneisses Gondwana granite granite-gneiss granulites grey ground water Hamzah Hazaribagh district hill Hyderabad inches India Indian Miner industry Inst intrusive investigated Iron-ore irrigation laterite lignite limestone longitudes M. S. Krishnan M.Sc Madhya Madras Messrs metall mica mica-schists nala occur pegmatites phyllites pits Pradesh Punjab quarry quartz quartzites Rajasthan reports ridges right bank river bed rocks Sahni samples sand sandstones Sastri schists seam shales sheet slope soil square miles Srivastava strike Survey of India taluk Tertiary tion tons topo-sheet Trans tube-wells Upper valley veins water-level water-table zone