000 | 01660nam a22002177a 4500 | ||
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003 | OSt | ||
005 | 20221004113428.0 | ||
008 | 221004b |||||||| |||| 00| 0 eng d | ||
020 | _a8185867003 | ||
040 | _cCUS | ||
082 |
_bCHA/J _a553.240954 |
||
100 |
_aChandra, D _913557 |
||
245 | _aJharia Coalfields | ||
260 |
_aBanglore: _bGeological Society of India, _c1992. |
||
300 | _a149p. | ||
505 | _aGENERAL GEOLOGY: Areal extent Stratigraphy STRUCTURE AND TECTONICS Faults - Tectonic histories SEDIMENTATION HISTORY ORIGIN PHYSICO CHEMICAL COMPOSITION: Coals of the Barakar Formation Coals of the Raniganj Formation PETROGRAPHICAL COMPOSITION: Reflectance Distribution of mineral matter in Lithotypes Kaolinite in Jharia coals TRACE ELEMENTS COMPOSITION HARDNESS OF COAL SEAM IGNEOUS INTRUSIVES: Dolerite dykes Ultrabasic rocks Ball coal Lingam coal Reaction between igneous intrusives and coal seams Chemical composition of coals affected by igneous intrusives FIRE IN COAL SEAMS: Causes of fire in coal seams Burnt coal Structure of burnt coal Distribution Rate of spread of fire Chemical composition Petrological composition Para Lava GAS IN COAL SEAMS GEOLOGICAL SIGNIFICANCE OF MINE HAZARDS: Distribution of gas Domal structure in coal seams Conditions of roof Fault planes Igneous intrusives Joints and cleats ENVIRONMENTAL ASPECTS: Land Other industries Dust fall Suspended particulate matter Gaseous pollutants Sulphation rate Water Noise Environmental hazard map. | ||
650 |
_aCoal Geology. _913558 |
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650 |
_aJharia _913591 |
||
650 |
_aCoal mines and mining. _910209 |
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942 |
_cWB16 _2ddc |
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999 |
_c212689 _d212689 |