Records of the Geological Survey of India, Volume 56The Survey, 1926 - 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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Results 6-10 of 34
Page 54
... associated with calc - schists . The latter are ex- tremely flaggy rocks consisting essentially of tremolite , quartz and felspar , with varying amounts of biotite and calcite , and there is no doubt that their present banding , in ...
... associated with calc - schists . The latter are ex- tremely flaggy rocks consisting essentially of tremolite , quartz and felspar , with varying amounts of biotite and calcite , and there is no doubt that their present banding , in ...
Page 69
... associated mountain ranges of the Arakan - Naga region was initiated in the late Cretaceous and that part , if not the whole of it existed as land throughout the Tertiary period , forming a barrier between the two gulfs . Further ...
... associated mountain ranges of the Arakan - Naga region was initiated in the late Cretaceous and that part , if not the whole of it existed as land throughout the Tertiary period , forming a barrier between the two gulfs . Further ...
Page 71
... associated chrysotile and chlorite has to a large extent become schistose . Boulders of the following rock types , believed to be at least in part responsible for the formation of the serpentine , were collected by Pascoe : -hornblende ...
... associated chrysotile and chlorite has to a large extent become schistose . Boulders of the following rock types , believed to be at least in part responsible for the formation of the serpentine , were collected by Pascoe : -hornblende ...
Page 72
... associated with serpentine intrusions , and that such chromite deposits may prove to be the source of the platinum and platinoid metals occur- ring in the older gravels of the Upper Chindwin ” .4 Native copper and copper sulphides have ...
... associated with serpentine intrusions , and that such chromite deposits may prove to be the source of the platinum and platinoid metals occur- ring in the older gravels of the Upper Chindwin ” .4 Native copper and copper sulphides have ...
Page 73
... associated with chromite . The conditions under which the copper ores occur lead to the belief that their formation was contemporaneous with serpentinization . Their deposition coincided with the period of ejection of the acid extract ...
... associated with chromite . The conditions under which the copper ores occur lead to the belief that their formation was contemporaneous with serpentinization . Their deposition coincided with the period of ejection of the acid extract ...
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Common terms and phrases
20 per cent A. M. Heron apophyllite Aravalli Area in acres Assam bands beds Bihar Bihar and Orissa biotite Burma Calcutta cancrinite cassiterite Central India Central Provinces cept oil Clean product Ash Coal-fields coking Cretaceous Date of commence Decem deposits district elæolite Exogyra feet felspars field fossil froth flotation Geol Geological Survey gneisses granite Hills inch Indian coals island January Jharia Kashmir Kishengarh Lashio lignite limestone Madras Manganese Maung ment Mergui Messrs mica microcline miles Mineral oil minerals ex Mining Lease mud volcano Namma Nature of grant Novem occur okenite Orissa P. L. renewal Pakokku Pauk pegmatite Pegu Plate portion Price 1 rupee Punjab Quantity quartzites Rajputana rocks Rupee samples Seam Septem Seth shales Shan sodalite species specimens Surv Survey of India syenite Tavoy Tertiary Thongwa tons valued Upper valley Value Rupee 18 veins Weight Wolfram Yekkyin