Records of the Geological Survey of India, Volume 83Geological Survey of India, 1950 - 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 70
... gneisses having the mineral assem- blage of an alkaline granite , and containing variable amounts of hornblende and biotite as the principal femic constituents . These gneisses have been subjected to intense stress as revealed by the ...
... gneisses having the mineral assem- blage of an alkaline granite , and containing variable amounts of hornblende and biotite as the principal femic constituents . These gneisses have been subjected to intense stress as revealed by the ...
Page 73
... gneisses . Biotite - granite - gneisses . - Fine - grained granite - gneisses of grey colour occur west and W.S.W. of Vandikal village ( 12 ° 51 ' : 79 ° 12 ′ 30 ′′ ) . They are much seamed by veins of pegmatite and quartz , and form ...
... gneisses . Biotite - granite - gneisses . - Fine - grained granite - gneisses of grey colour occur west and W.S.W. of Vandikal village ( 12 ° 51 ' : 79 ° 12 ′ 30 ′′ ) . They are much seamed by veins of pegmatite and quartz , and form ...
Page 78
... gneisses , which vary in mineral com- position but more or less always exhibit foliated or banded structure . In ... gneisses are patches of amphibole- gneiss at several places . The general foliation strike of the gneisses in the area ...
... gneisses , which vary in mineral com- position but more or less always exhibit foliated or banded structure . In ... gneisses are patches of amphibole- gneiss at several places . The general foliation strike of the gneisses in the area ...
Contents
OF | 14 |
GEOLOGICAL SURVEYScontd | 17 |
Bankura district West Bengal | 48 |
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abutment alignment alluvium amphibolites ANON ANON ANON Assam Assistant Geologist Auden Balasundaram bands bauxite Bihar biotite Bombay bore-holes Carried out geological cement cent charnockites cherts Circle and left clay coal coalfield dam-site days with effect Deccan trap deposits depth district dolerite drilling dykes east examined feet thick furlongs garnetiferous geological mapping Geological Survey geophysical Ghosh gneisses Gondwana granite Ground Water Division ground-water hills inches investigation iron-ore khondalites Kurnool laterite limestone located M.Sc Madhya Pradesh Madras Messrs Mineral Mining nala November occur Orissa outcrops pegmatites phyllites pits quarries quartz quartz veins quartzites radiolarian railway reports Returned to headquarters river road rocks samples sand sandstones schistose schists seams shales sheet 57 soil south-west Southern Circle square miles strike Subramanyam suitable Survey of India systematic mapping taluk thin tion tons trap trict tunnel Uttar Pradesh valley village water supply West Bengal width zone