Records of the Geological Survey of India, Volume 111, Part 1Government of India, 1983 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 21
... revealed that endogenic halo , though obliterated by weathering in respect of several elements , was reflected in the gossan samples particularly for lead and copper . The soil samples also showed the same . The petrographic study revealed ...
... revealed that endogenic halo , though obliterated by weathering in respect of several elements , was reflected in the gossan samples particularly for lead and copper . The soil samples also showed the same . The petrographic study revealed ...
Page 44
... revealed a 4 - layer subsurface section . The interpretation of resistivity data reveals the likely occurr- ence of a comparatively low resistivity layer between 20 and 80 metre depth . The fall in resistivity values in the " middle ...
... revealed a 4 - layer subsurface section . The interpretation of resistivity data reveals the likely occurr- ence of a comparatively low resistivity layer between 20 and 80 metre depth . The fall in resistivity values in the " middle ...
Page 134
... revealed from explora- tory drilling of 905.75 m in 28 boreholes . A resource of 91.4 million tonnes with average 46.5 % Al2O , was estimated in this block . The Pottangi Extension Block , Ballada , Panchpatmali ( Central Block ) ...
... revealed from explora- tory drilling of 905.75 m in 28 boreholes . A resource of 91.4 million tonnes with average 46.5 % Al2O , was estimated in this block . The Pottangi Extension Block , Ballada , Panchpatmali ( Central Block ) ...
Contents
PETROLOGY DIVISION | 1 |
GEOSCIENCE DATA CENTRE | 9 |
CHEMICAL DIVISION | 35 |
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alignment amphibolite analysis Andhra Pradesh anomaly zone bands basalt basin bauxite bedrock Bihar block boreholes Calcutta chemical clay coal Coalfield covered delineated deposits depth dipping Director dist district Division drill cores drill holes electrical resistivity exploration fault folded Formation fossils geochemical geological mapping Geologist Geophysical surveys geotechnical geothermal glacier gneiss Gondwana graphite Group Haryana Headquarters Himachal Pradesh Hydel I. P. anomaly India indicated Jammu laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Manuscripts processed Meghalaya metres migmatites mineralisation minerals nala NW-SE occurs Orissa phyllite pits power house Project proposed quartz quartzite regional river rock samples rock types S/Shri samples were collected sand sandstone scale schist seams Sector sediments seismic shale shear zone Shri soil spillway sq km strike length studies sulphide thickness tion tonnes Toposheet traverse trending tunnel upto Uttar Pradesh Valley varying West Bengal