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 98
... clay . The clay is of upper Gondwana age , and contains Ptilophyllum ( Sp . ) impressions . The clay has been mined in a very small way by underground methods , but at the time of the visit , early in 1949 , mining opera- tions had been ...
... clay . The clay is of upper Gondwana age , and contains Ptilophyllum ( Sp . ) impressions . The clay has been mined in a very small way by underground methods , but at the time of the visit , early in 1949 , mining opera- tions had been ...
Page 100
... clay . Mr. Singh found a seam of fire - clay exposed in the coal workings near Dakaita ( 25 ° 03 ' : 87 ° 22 ′ ) . The thick- Santal Pargannas district , Bihar . ness of the seam varies between four to six feet , and the reserves have ...
... clay . Mr. Singh found a seam of fire - clay exposed in the coal workings near Dakaita ( 25 ° 03 ' : 87 ° 22 ′ ) . The thick- Santal Pargannas district , Bihar . ness of the seam varies between four to six feet , and the reserves have ...
Page 548
... clay is used in the textile and paper industries as fillers and in the pottery manufacture and the fire clay is used in the manu- facture of firebricks . The other clays are used in the manufac- ture of building bricks , cement , soap ...
... clay is used in the textile and paper industries as fillers and in the pottery manufacture and the fire clay is used in the manu- facture of firebricks . The other clays are used in the manufac- ture of building bricks , cement , soap ...
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