Records of the Geological Survey of India, Volume 85, Issues 1-2The Survey, 1954 - Earthquakes |
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Page 38
... types is a set of dolerite dykes which are aligned in an E.-W. to E.S.E.-W.N.W. direction . Bellary district . - Mr ... types rich in biotite to coarse compact and massive types carrying pheno- crysts of felspar . They show a general ...
... types is a set of dolerite dykes which are aligned in an E.-W. to E.S.E.-W.N.W. direction . Bellary district . - Mr ... types rich in biotite to coarse compact and massive types carrying pheno- crysts of felspar . They show a general ...
Page 42
... types met with in the area are Archaean mica - schists cut by pegmatites and quartz veins , hornblende bearing schistose gneisses , grey and pink granites and granitic gneisses carrying xenoliths of amphibolites and hornblende- schists ...
... types met with in the area are Archaean mica - schists cut by pegmatites and quartz veins , hornblende bearing schistose gneisses , grey and pink granites and granitic gneisses carrying xenoliths of amphibolites and hornblende- schists ...
Page 69
... types which have the following average bulk composi- tion ( Lab . No. 1406 ) : - SiO2 Fe2O3 + Al2O2 CaO MgO Loss on Ignition Total Type ( 1 ) 13.62 2.10 36.49 11.13 36.58 99.92 ( Yellowish grey and medium - grained ) Type ( 2 ) 10.32 2 ...
... types which have the following average bulk composi- tion ( Lab . No. 1406 ) : - SiO2 Fe2O3 + Al2O2 CaO MgO Loss on Ignition Total Type ( 1 ) 13.62 2.10 36.49 11.13 36.58 99.92 ( Yellowish grey and medium - grained ) Type ( 2 ) 10.32 2 ...
Contents
ENGINEERING GEOLOGYcontd | 5 |
GEOLOGICAL SURVEY OF INDIA | 6 |
Rs As | 29 |
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38th Indian Sci abutment Ajmer-Merwara alluvium Archaean Assam Assistant Geologist bands Bankura district Bengal Bihar Bombay Calcutta carried cent Circle headquarters clay coal coalfields copper Cuddapah days with effect Delhi deposits depth Dharwar Dhenkanal district dolerite dolomite drilling dykes east examined Field Training Camp G. W. Division geological mapping Geological Survey geophysical gneisses Gondwana granite granite-gneiss grey ground-water hill India Indian Miner industry investigation Iron-ore irrigation Kurnool district laterite Left for field limestone M. S. Krishnan Madhya Pradesh Madras manganese-ore Mehta Messrs Metal Mkt mica Mines Mysore nala occur Orissa pegmatites phyllites pits quantity quarried quartz quartzites Rajasthan reported Returned to Circle Returned to headquarters river rocks samples sand sandstones Saurashtra schists shales sheet 73 Singhbhum square miles steatite suitable Survey of India systematic mapping taluk tion tons veins village Vindhya Pradesh