Records of the Geological Survey of India, Volume 91The Survey, 1962 - 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 41
... veins consist of coarse , white barytes which is stained red or brown . Quartz , chalcopyrite , and fluorite , in ... veins filling fault fissures . The veins range from a few inches to 30 inches in thickness , but their extension is not ...
... veins consist of coarse , white barytes which is stained red or brown . Quartz , chalcopyrite , and fluorite , in ... veins filling fault fissures . The veins range from a few inches to 30 inches in thickness , but their extension is not ...
Page 57
... veins containing the ore - shoots are some- times more than 100 ft . thick and continue up the hill slopes for an appreciable distance . The lodes have been worked , at places , in the past by pits and adits driven at different levels ...
... veins containing the ore - shoots are some- times more than 100 ft . thick and continue up the hill slopes for an appreciable distance . The lodes have been worked , at places , in the past by pits and adits driven at different levels ...
Page 94
... veins are large and consist of almost pure silica . The silica content of the veins varies from 98-17 to 98-73 per cent , and Fe , O , from 0.20 to 0.50 per cent . The reserves have been estimated at about 1.99 million tons , up to a ...
... veins are large and consist of almost pure silica . The silica content of the veins varies from 98-17 to 98-73 per cent , and Fe , O , from 0.20 to 0.50 per cent . The reserves have been estimated at about 1.99 million tons , up to a ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
Western Circle | 25 |
Jammu and Kashmir Circle | 35 |
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43rd Indian Sci Andhra B. C. Roy B.Sc Bagh beds Banaras bands Banerjee Baripada Bhaluk Khad Bihar Bombay borehole Bose cent charnockite Chaterji Circle clay coal coalfield Congr Coralline limestone Cretaceous Delhi deposits depth district Dolerite drilling Dutt Dutta East Economic Geology Economic Geology Section examined feet felspar formations fossils Geol geological mapping Geological Survey Geophysical Geophysicist Ghosh gneiss gold Gondwana grains granite gravel Groundwater Groundwater Exploration Headquarters Calcutta Hons hornblende Hyderabad India industry investigated iron-ore Kashmir laterite lignite lode Lucknow M.Sc Madhya Pradesh Madras miles minerals Mining Murthy Mysore nala occur Orissa palaeolithic Petrological Section phyllites pitchstone Proc Punjab quartz quartzites Rajasthan Raniganj region river rocks Sahni samples sand sandstone Sarvashri Sastry schists shales Shri soil spore Srivastava Superintending Geologist Surv Survey of India taluk thickness trap Upper veins village Vindhyan West Bengal zone