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 87
... average thickness , about 35,000 and 100,250 tons , in selected portions of which an average alumina content of 53 per cent . may be expected , occur in the western and eastern peaks respectively . Bailur deposit . - This lies about ...
... average thickness , about 35,000 and 100,250 tons , in selected portions of which an average alumina content of 53 per cent . may be expected , occur in the western and eastern peaks respectively . Bailur deposit . - This lies about ...
Page 89
... average thickness . Samples show 48 to 62 per cent . A1 , O ,, 0 · 24 to 11 per cent . SiO2 , 6 · 73 to 8.42 per cent . TIO , and 3 to 13 per cent . Fe , O ,. Gargotti deposits . - The ridge 3239 , west of Gargotti ( 16 ° 20 ′ : 74 ° 2 ...
... average thickness . Samples show 48 to 62 per cent . A1 , O ,, 0 · 24 to 11 per cent . SiO2 , 6 · 73 to 8.42 per cent . TIO , and 3 to 13 per cent . Fe , O ,. Gargotti deposits . - The ridge 3239 , west of Gargotti ( 16 ° 20 ′ : 74 ° 2 ...
Page 125
... average aggregate thickness of about 11 feet . Next comes a selenitic clay and marl zone with an average thickness of 20 feet 8 inches . The average yield of selenite from this zone bed has been estimated to be two tons per thousand ...
... average aggregate thickness of about 11 feet . Next comes a selenitic clay and marl zone with an average thickness of 20 feet 8 inches . The average yield of selenite from this zone bed has been estimated to be two tons per thousand ...
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