Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1987 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 11
... values between 800 and 1000 ohm / m indicate presence of pegmatite of pegmatite bodies , while resistivity of moderate magnitude ( 1100-1200 ohm / m ) from Charkapathal north block when put through borehole No. CGB - 1 , corresponds to ...
... values between 800 and 1000 ohm / m indicate presence of pegmatite of pegmatite bodies , while resistivity of moderate magnitude ( 1100-1200 ohm / m ) from Charkapathal north block when put through borehole No. CGB - 1 , corresponds to ...
Page 27
... value in geochemical samples ranges between < 20 ppm and 810 ppm in the bed rock ; the Zn values commonly range from < 20 ppm to 895 ppm ; Ni value from < 20 ppm to 360 ppm ; Co values from < 20 ppm to 890 ppm and Pb values from < 20 ...
... value in geochemical samples ranges between < 20 ppm and 810 ppm in the bed rock ; the Zn values commonly range from < 20 ppm to 895 ppm ; Ni value from < 20 ppm to 360 ppm ; Co values from < 20 ppm to 890 ppm and Pb values from < 20 ...
Page 36
... values in ppm and their corresponding mean values are : La = 59-196 ( 130.87 ) , Ce = 116- 384 ( 251.75 ) , Sm 16-44.7 ( 32.86 ) and Nd = 71- 257 ( 161.56 ) . = A large number of isolated occurrences of lead , zinc and copper ores were ...
... values in ppm and their corresponding mean values are : La = 59-196 ( 130.87 ) , Ce = 116- 384 ( 251.75 ) , Sm 16-44.7 ( 32.86 ) and Nd = 71- 257 ( 161.56 ) . = A large number of isolated occurrences of lead , zinc and copper ores were ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
Geological Survey of India | 4 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
Copyright | |
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amphibolite AMSE Wing analysis Andaman anomalies assemblage bands Barakar Barakar Formation Barren Measures basin belt Bihar biotite block boreholes Calcutta clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores correlation deposits depth district Division-II drilling dykes Eastern Engineering Geology evaluation exploration fault Feasibility stage folds geochemical geological mapping Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grained granite granite gneiss grey Group heavy minerals horizon indicated Irrigation LANDSAT limestone lineaments located magnetic metamorphic mica migmatites mineralisation NW-SE occur Orissa pegmatite phyllite PRADESH quartz quartzite Raniganj Raniganj Formation regional river sand sandstone scale schist seam zones sector sediments shale shear zone Shillong sillimanite Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation Stratigraphy strike length structure surface Survey of India thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal