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 39
Page 220
... cleaning a coal depends upon the result- ant balance between the value of the advantages to be gained by cleaning , and the cost of treatment . The fact that Indian coals have not yet been cleaned on a commercial scale is due ...
... cleaning a coal depends upon the result- ant balance between the value of the advantages to be gained by cleaning , and the cost of treatment . The fact that Indian coals have not yet been cleaned on a commercial scale is due ...
Page 221
... cleaning depends on the result of a balance between advantages and costs . The former are determined by the purposes for which the coal is suitable , and by the extent to which it can be cleaned in practice . These factors depend ...
... cleaning depends on the result of a balance between advantages and costs . The former are determined by the purposes for which the coal is suitable , and by the extent to which it can be cleaned in practice . These factors depend ...
Page 223
... clean - cut definite surface . . . . A single brilliant band does not exhibit the fine banding detectable even in the brightest of clarain , but is a coherent and uniform whole , brilliantly glossy , indeed vitreous , in its texture ...
... clean - cut definite surface . . . . A single brilliant band does not exhibit the fine banding detectable even in the brightest of clarain , but is a coherent and uniform whole , brilliantly glossy , indeed vitreous , in its texture ...
Page 224
... cleaned by a perfect practical process . Tests at various meshes show that to set free the constituent bands of Indian ... clean- ing processes may now be considered . GRAVITY WASHERS . The fact that there is no marked difference in ...
... cleaned by a perfect practical process . Tests at various meshes show that to set free the constituent bands of Indian ... clean- ing processes may now be considered . GRAVITY WASHERS . The fact that there is no marked difference in ...
Page 225
... cleaning processes capable of application on a commercial scale to the treatment of Indian coals . FROTH FLOTATION . The determining factor in the operation of this process is differ- ences in surface properties . The separation is ...
... cleaning processes capable of application on a commercial scale to the treatment of Indian coals . FROTH FLOTATION . The determining factor in the operation of this process is differ- ences in surface properties . The separation is ...
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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