Records of the Geological Survey of India, Volume 123, Part 1The Survey, 2002 - 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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Results 1-3 of 91
Page 80
... range of 4.03m and 299.60m . The younger seams range in thickness from 1.25m to 2.10m . On the basis of exploration carried out an ' indi- cated ' reserve of 400m tonnes has been estimated . D. N. Bandyopadhyay , and D. Roy , were asso ...
... range of 4.03m and 299.60m . The younger seams range in thickness from 1.25m to 2.10m . On the basis of exploration carried out an ' indi- cated ' reserve of 400m tonnes has been estimated . D. N. Bandyopadhyay , and D. Roy , were asso ...
Page 81
... range of 62.40m and 442.00m over a strike length of about 9 km . Details of coal seams are given below .- Coal Seam No. Thickness Range 1.52m to 2.64m ΙΑ Thickness Range I 0.73m to 1.60m II 0.78m to 2.59m 1.46m III B 0.57m to 1.67m III ...
... range of 62.40m and 442.00m over a strike length of about 9 km . Details of coal seams are given below .- Coal Seam No. Thickness Range 1.52m to 2.64m ΙΑ Thickness Range I 0.73m to 1.60m II 0.78m to 2.59m 1.46m III B 0.57m to 1.67m III ...
Page 169
... range from < 20 ppm to 820 ppm , Pb values range from << 20 ppm to 45 ppm , Zn values range from 20 ppm to 500 ppm , Ni values range from < 20 ppm to 265 ppm and Co values range from 20 ppm to 75 ppm . A few samples from the Khondalitic ...
... range from < 20 ppm to 820 ppm , Pb values range from << 20 ppm to 45 ppm , Zn values range from 20 ppm to 500 ppm , Ni values range from < 20 ppm to 265 ppm and Co values range from 20 ppm to 75 ppm . A few samples from the Khondalitic ...
Contents
CENTRAL HEADQUARTERS | 1 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 46 |
COAL WING | 72 |
Copyright | |
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analysed anomaly assess associated bands basalt base basic basin belt Bihar block bodies boreholes carried channel clay coal Code collected completed comprises condition construction continued core covered delineated deposits depth detailed developed Director district Division drilling dykes eastern exploration exposed field flows Formation foundation geological mapping geophysical geotechnical investigation gneiss gold grade grained granite Group Headquarters holes identified indicated intrusive irrigation length lignite limestone located lower magnetic major mineral mineralisation Nagpur objective occur Orissa Pradesh prepared present processed proposed quartz quartzite range Regional reported reservoir revealed river rock samples sand sandstone scale Scheme schist seams sediments shale shear soil spillway sq km stage strike structure suggested surface surveys taken thickness thin tion Toposheet traverses trending tunnel units upto values varies various veins West zone