Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 122
... varies from 21.80m to ( c ) Seam zone - II - 59.92m . -- varies from 42.92m to ( d ) Seam zone - I 43.22m . -- varies from 62.34m to Coal seams recorded in the southern most part appear to belong to Grade ' F ' and ' G ' . In the north ...
... varies from 21.80m to ( c ) Seam zone - II - 59.92m . -- varies from 42.92m to ( d ) Seam zone - I 43.22m . -- varies from 62.34m to Coal seams recorded in the southern most part appear to belong to Grade ' F ' and ' G ' . In the north ...
Page 139
... varies between 20.12 m SE and 49.54 m and is more or less clean in nature . Seam no . IX varies in thickness between 12.87 m Karharbari seam occurs in six split sections varying in thickness from 0.45 m to 21.55 m . The top split ...
... varies between 20.12 m SE and 49.54 m and is more or less clean in nature . Seam no . IX varies in thickness between 12.87 m Karharbari seam occurs in six split sections varying in thickness from 0.45 m to 21.55 m . The top split ...
Page 158
Geological Survey of India. In the Giral area , the upper seam varies from 1.20 m to 1.45 m in thickness . The moisture content varies from 9.7 % to 13.1 % and ash content varies from 21.1 % to 37.4 % . The 1.45 m thick lower seam splits ...
Geological Survey of India. In the Giral area , the upper seam varies from 1.20 m to 1.45 m in thickness . The moisture content varies from 9.7 % to 13.1 % and ash content varies from 21.1 % to 37.4 % . The 1.45 m thick lower seam splits ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal