Records of the Geological Survey of India, Volume 85Geological Survey of India, 1954 - 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 42
... reefs , dolerite dykes ; also conglomerates , sandstones and limestones of Kurnool stage . The main rock types observed in the area are grey and pink granite and granitic gneiss , cut by large reefs of quartz and dolerites running for a ...
... reefs , dolerite dykes ; also conglomerates , sandstones and limestones of Kurnool stage . The main rock types observed in the area are grey and pink granite and granitic gneiss , cut by large reefs of quartz and dolerites running for a ...
Page 61
... reefs occurring within the Bundelkhand granites north of this locality were carefully examined , but no megascopic ... reef is traced for about a mile and a half with an average width of 60 feet . Two varieties of quartz occur , a blue ...
... reefs occurring within the Bundelkhand granites north of this locality were carefully examined , but no megascopic ... reef is traced for about a mile and a half with an average width of 60 feet . Two varieties of quartz occur , a blue ...
Page 258
... Reef mine . These depths correspond to 6,783 feet and 6 266 feet below mean Sea Level ( Madras ) respectively . The dip of the reef at these depths is almost vertical while in the top levels it is steep in a westerly direction . The ore ...
... Reef mine . These depths correspond to 6,783 feet and 6 266 feet below mean Sea Level ( Madras ) respectively . The dip of the reef at these depths is almost vertical while in the top levels it is steep in a westerly direction . The ore ...
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38th Indian Sci Ajmer-Merwara alluvium Assam Assistant Geologist bands Belgaum Bihar Bombay Calcutta cent charnockites clay coal coalfields Congr copper Cuddapah days with effect Deccan trap Delhi deposits depth Dharwar Dhenkanal district district dolerite dolomite drilling dykes east examined exported feet G. W. Division Geol geological mapping Geological Survey geophysical gneisses Gondwana grade granite ground-water hill India Indian Miner industry investigation Iron-ore irrigation Kaladgi Keonjhar Kurnool Kurnool district Kutch laterite limestone M. S. Krishnan Madhya Pradesh Madras Magnesite manganese manganese-ore Mehta Messrs Metal Mkt mica million tons mines Mysore nala November occur Orissa output pegmatites phyllites pits Proc production quantity quarried quartz quartzites Rajasthan reported Returned to Circle Returned to headquarters river rocks samples sand sandstones Saurashtra schists shales sheet 73 Singhbhum square miles steatite Survey of India taluk thick tons valued veins village Vindhya Pradesh