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 364
... rich in iron content . Some of the cordierite porphyroblasts are optically posi tive . The rocks appear to represent sediments rich in alumina and magnesia which were involved in metamorphism under deep seated conditions . This is the ...
... rich in iron content . Some of the cordierite porphyroblasts are optically posi tive . The rocks appear to represent sediments rich in alumina and magnesia which were involved in metamorphism under deep seated conditions . This is the ...
Page 401
... rich mica - trap . The formation of ocelli ' , observed for the first time in these rocks and their gradation into what are usually regarded as ' Pseudomorphs of olivine ' has been explained to be due to the supercooling of the magma at ...
... rich mica - trap . The formation of ocelli ' , observed for the first time in these rocks and their gradation into what are usually regarded as ' Pseudomorphs of olivine ' has been explained to be due to the supercooling of the magma at ...
Page 420
... rich in coal seams in the Raniganj field , less rich in the Jharia field and shows only a few poor seams in the Karanpura field . West of the Karanpura field , this stage becomes thin and does not contain any coal . Cyclic sedimentation ...
... rich in coal seams in the Raniganj field , less rich in the Jharia field and shows only a few poor seams in the Karanpura field . West of the Karanpura field , this stage becomes thin and does not contain any coal . Cyclic sedimentation ...
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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