Records of the Geological Survey of IndiaThe Survey, 1930 - 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 190
... coal that possess fuel value , namely , the volatile matter and the fixed carbon . It must be remembered , however , that a portion at least of the moisture of the coal is an inherent constituent of the coal as it is in colloidal ...
... coal that possess fuel value , namely , the volatile matter and the fixed carbon . It must be remembered , however , that a portion at least of the moisture of the coal is an inherent constituent of the coal as it is in colloidal ...
Page 193
... coal tending to an increase of weight and hence to an apparent reduction in the percentage of moisture . The determination of volatile matter is much more arbitrary , as the amount of gas given off when the coal is heated depends ...
... coal tending to an increase of weight and hence to an apparent reduction in the percentage of moisture . The determination of volatile matter is much more arbitrary , as the amount of gas given off when the coal is heated depends ...
Page 361
... coal or as greasy - lustred coal or shale- coal may be regarded as true durains , the silky coals containing a higher proportion of vitrain , and a lower proportion of ash than the greasy - lustred coals . My original description of ...
... coal or as greasy - lustred coal or shale- coal may be regarded as true durains , the silky coals containing a higher proportion of vitrain , and a lower proportion of ash than the greasy - lustred coals . My original description of ...
Contents
PART | 1 |
An undescribed species of Cyllene from the Pegu Beds of Burma | 5 |
On the occurrence of a small dome near Mari in the Attock District | 17 |
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ablation valley alluvium ash-free average Barakar barrels beds Bihar Bihar and Orissa Burma caking durains cent chaung Chhibber Chong Kumdan clay coal coalfield corallites Cotter deposits depth district drilling east field figs formation fossils gas-oil ratio Geol Geological Survey glacier gneisses Gondwana granite Height of Snout Hispar horizons Hunza Hunza river increase India Irrawadian jadeite Karakoram limestone lower Messrs minerals Mining moisture moraine mud fluid Murree Myitkyina district névé Nummulitic occur Orissa outcrops P. L. Renewal period phyllites production Punjab Quantity Raniganj Records recovery repressuring retreat river rocks rotary Salt sand sandstones schists seams septa shales Sheet 43 Shingshal shows Shwebo Shyok Siwalik Southern Shan specific gravity specimens strata surface Surv Survey of India TABLE thick tion tons valued Trias Upper valley Visser vitrain Wadia zone