Records of the Geological Survey of India, Volume 127, Part 2The Survey, 1994 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 42
... depth ( coal seams V to II ) , the coal seams encountered in borehole SDH - 2 show higher rank ( R。 max 0.70-1.50 % ) in the top seams ( IV and III ) interested at shal- lower depth ( 106.04-173.18m ) compared to the underlying seam ...
... depth ( coal seams V to II ) , the coal seams encountered in borehole SDH - 2 show higher rank ( R。 max 0.70-1.50 % ) in the top seams ( IV and III ) interested at shal- lower depth ( 106.04-173.18m ) compared to the underlying seam ...
Page 273
... depth range . Trough : Width varies from 125 to 137 km , flat surface with max- imum water depth of 2700 m . Lakshadweep Ridge : Width of the ridge domain increases from 187 to 225 km marked by small mounts , rises and intersea ridge ...
... depth range . Trough : Width varies from 125 to 137 km , flat surface with max- imum water depth of 2700 m . Lakshadweep Ridge : Width of the ridge domain increases from 187 to 225 km marked by small mounts , rises and intersea ridge ...
Page 291
... depth with proving of coal seams of 0.9 m to 8.33 m thickness . The concerted effort of locating additional resources of metallurgical coal outside the area of Damodar Valley Coalfields resulted in establishing 5 regional Barakar Seams ...
... depth with proving of coal seams of 0.9 m to 8.33 m thickness . The concerted effort of locating additional resources of metallurgical coal outside the area of Damodar Valley Coalfields resulted in establishing 5 regional Barakar Seams ...
Contents
Photogeology Remote Sensing Division | 29 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 146240 | 149 |
Overview of the Deputy Director General | 243 |
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Common terms and phrases
aeromagnetic airborne amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures basin Bengal BHUTAN Bihar biotite block boreholes carbonaceous charnockite Chekha clay coal seams COAL WING Coalfield Code cores covered cruise depth range DISTRICT Division drilling east eastern exploration for coal faults field season fold geochemical GEOLOGICAL MAP geophysical data gneiss Gondwana granite gneiss gravity grey ground evaluation heavy mineral indicate intersected intrusives investigation isobath Kamthi LAMPROITE lamprophyres lignite lineament located MADHYA PRADESH magnetic metabasalt metamorphism migmatites million tonnes mineralisation multisensor NW-SE occur Orissa phyllite programme Proterozoic quartz quartzite Raniganj Regional exploration ridge rocks Sakoli sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zones Shumar slope southern sq km strike length structural studies sub-basin sub-surface Survey of India Talchir Tamil Nadu tectonic thickness Thimphu toposheet trending upto varies