Records of the Geological Survey of India, Volume 111, Part 2The Survey, 1976 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 121
... Coal is an important source of energy in cur country . It occurs largely in the Gondwana Supergroup of rocks as low- dipping beds extending over hundreds of square kilometres in area . These bituminous to sub - bituminous coal seams ...
... Coal is an important source of energy in cur country . It occurs largely in the Gondwana Supergroup of rocks as low- dipping beds extending over hundreds of square kilometres in area . These bituminous to sub - bituminous coal seams ...
Page 122
... coal within a radius of 200 metres around a borehole or an outcrop remains the same as that round in the borehole or in the outcrop , and the coal reserves in such specified area is reckoned as ' Proved Reserves ' for coal . But , in a ...
... coal within a radius of 200 metres around a borehole or an outcrop remains the same as that round in the borehole or in the outcrop , and the coal reserves in such specified area is reckoned as ' Proved Reserves ' for coal . But , in a ...
Page 125
... coal seam viz . OV : Coal thickness e . g . 1 : 1 , 1 : 2 , 1 : 3 , 1 : 4 , 1 : 5 etc. ( B ) According to depth from the surface viz . 0 m- 150 m 150 m- 300 m 300 m 600 m " 600 m 900 m ... coals . Some Guide Lines to Exploration for Coal 125.
... coal seam viz . OV : Coal thickness e . g . 1 : 1 , 1 : 2 , 1 : 3 , 1 : 4 , 1 : 5 etc. ( B ) According to depth from the surface viz . 0 m- 150 m 150 m- 300 m 300 m 600 m " 600 m 900 m ... coals . Some Guide Lines to Exploration for Coal 125.
Contents
Scope of Development Exploration and Preliminary Assessment of the Geothermal Resource Potentials | 17 |
Structure and Metamorphism of the Area Between Haveri and Ranibennur Dharwar District Karnataka | 41 |
Structural Geology of Northwest Part of Hazaribagh District BiharU Prasad | 49 |
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aa flows amphibolite Andaman anomaly zone aquifer Archaean Baratang Baruipur basalt belt Bihar borehole charnockites chlorite clays coal conglomerate copper Deccan Trap Deltaic Plain deposits depth dips district dykes facies faults ferruginous quartzite flysch folds foliation fractures geochemical Geol GEOLOGICAL MAP Geological Survey geophysical Geothermal Province gneiss Grade grained granite graphite groundwater Group hematite hematite rock horizon hot springs India indicated jaspilite Jhabua district joints Karewa Karnataka Koyna Laterite lavas lineation located lode magnetic Mandsaur district manganese metamorphism metres mineralised minerals non-coking North Tirodi occur olivine pahoehoe pahoehoe flows Pawnia phenocrysts pits plagioclase Plate plunging Pradesh Precambrian quartz quartzite radiolarite range region ridge river samples sand sandy schist sedimentary sediments serpentinites shale Singhbhum soil steam stratigraphic structure sulphide surface Surv Survey of India Table tectonic thermal thickness traverse Turamdih area Unconformity Unpublished GSI Report upto Valley vertical weathered