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 547
... clay . There are workable deposits of China clay in almost every province . Those of fire clay and other clays are also widespread . The production of china clay rose to 42,396 tons valued at Rs . 11,73,786 in 1949 from 41,243 tons ...
... clay . There are workable deposits of China clay in almost every province . Those of fire clay and other clays are also widespread . The production of china clay rose to 42,396 tons valued at Rs . 11,73,786 in 1949 from 41,243 tons ...
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Common terms and phrases
abutment alignment alluvium amphibolites ANON ANON ANON Assam Assistant Geologist Auden Balasundaram bands bauxite beds Bihar biotite Bombay bore-holes cement cent charnockites cherts Circle and left clay coal coalfield colour Cuddapah dam-site days with effect deposits depth district dolerite drilling dykes east examined feet thick felspar furlongs garnetiferous geological mapping Geological Survey geophysical Ghosh gneisses gneissic Gondwana granite granulites grey Ground Water Division ground-water gypsum hills inches investigation iron-ore khondalites Kurnool laterite lignite limestone located M.Sc Madhya Pradesh Madras Messrs mineral Mining nala occur Orissa outcrops pegmatites phyllites quarries quartz quartz veins quartzites radiolarian railway reports Returned to headquarters river road rocks samples sand sandstone schists seams shales sheet 57 soil south-west Southern Circle square miles strike Subramanyam suitable Survey of India systematic mapping taluk Tertiary thin tion tons trap tunnel Uttar Pradesh valley village water supply West Bengal zone