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 30
... pyroxene andesites including non - porphyritic , porphyritic and amygdaloidal varieties . The Upper Grit formation resting on the Middle Andesites consists of well bedded quartzose and ferruginous grits with traces of cross lamination ...
... pyroxene andesites including non - porphyritic , porphyritic and amygdaloidal varieties . The Upper Grit formation resting on the Middle Andesites consists of well bedded quartzose and ferruginous grits with traces of cross lamination ...
Page 39
... pyroxene - granulite ( garneti- ferous ) , pyroxenite and magnetite - quartzite , etc. , constituting the Nilgiri mountains and Kuridimalai , south of Talampalaiyam ( 11 ° 11 ′ : 77 ° ) ; ( 2 ) hornblende - gneiss , which extends ...
... pyroxene - granulite ( garneti- ferous ) , pyroxenite and magnetite - quartzite , etc. , constituting the Nilgiri mountains and Kuridimalai , south of Talampalaiyam ( 11 ° 11 ′ : 77 ° ) ; ( 2 ) hornblende - gneiss , which extends ...
Page 406
... pyroxenes of the flows are neither pigeonite nor augite , but belong to an intermediate group which may be designated sub - calcic augite . In the case of the more slowly cooled sills , the pyroxene plates may be partly pigeonite . 285 ...
... pyroxenes of the flows are neither pigeonite nor augite , but belong to an intermediate group which may be designated sub - calcic augite . In the case of the more slowly cooled sills , the pyroxene plates may be partly pigeonite . 285 ...
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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