000 01660nam a22002177a 4500
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
650 _aJharia
_913591
650 _aCoal mines and mining.
_910209
942 _cWB16
_2ddc
999 _c212689
_d212689