Records of the Geological Survey of India, Volume 114, Parts 3-6Government of India, 1982 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 10
... Coal Fields Ltd. Both surface and underground methods of mining are in vogue in this coal field almost since the commencement of mining operation . In the past the production of coal was mainly obtained from the surface working quarries ...
... Coal Fields Ltd. Both surface and underground methods of mining are in vogue in this coal field almost since the commencement of mining operation . In the past the production of coal was mainly obtained from the surface working quarries ...
Page 37
... coal seam ( No. IV seam ) and the roof of the top workable coal seam ( No. 1 Seam ) was chosen as the mapping unit for the preparation of the lithofacies maps . Using the subsurface data , ( i ) Isopach , ( ii ) Coal - Sand ratio , ( iii ) ...
... coal seam ( No. IV seam ) and the roof of the top workable coal seam ( No. 1 Seam ) was chosen as the mapping unit for the preparation of the lithofacies maps . Using the subsurface data , ( i ) Isopach , ( ii ) Coal - Sand ratio , ( iii ) ...
Page 44
... coal content varies between 1/6 end 1/4 ratio lines . There also appears to be a well defined linear area of less coal ( less than 1/12 to 1/6 ) to the south- west Sondila , perhaps the coal was not deposited much , due to channeling ...
... coal content varies between 1/6 end 1/4 ratio lines . There also appears to be a well defined linear area of less coal ( less than 1/12 to 1/6 ) to the south- west Sondila , perhaps the coal was not deposited much , due to channeling ...
Contents
Impact of Coal mining of the natural landscape in Raniganj | 6 |
Ranganathan | 31 |
Geothermal fields of Ganjam and Puri Districts Orissa | |
Copyright | |
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Andhra Pradesh anorthosite Archaean assemblage associated bands basalt basin bauxite beds biotite carbonate charnockite chert chlorite clay seam coal coalfield cobalt colour conglomerate corundum crystals Deccan Trap deposits district east eastern Eocene evaporite facies flow folds foliation Formation garnet gems gemstones Geol Surv Ind Geological Survey gneiss Gondwana grade grained granite grey Group gypsum hills hornblende India indicate Itwa Sandstone Karnataka Kerala laterite limestone lineament lower Madhya Pradesh mafic magnetite manganese margin metamorphism mica belt mineralisation minerals mining occur ophiolite Orissa Panna Shale pegmatites phyllite plagioclase plain planation surfaces Plate quarries quartz quartzite Quaternary Ramanujam Raniganj ratio regional Rewa river rocks samples sand Sandstone schist schistose sedimentary sediments Shale shear shows Siang sillimanite Simrawal soil spoil dumps sq km structures Survey of India tectonic Tertiary thickness tion trend Upper upto valley Vindhyan Wardha zone