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 82
... boreholes , in Mananpur area . The rock types encountered in boreholes comprise granite - gneiss , amphibolite , calc - silicate , tremolite - actinolite schist , quartzites , pegmatites and vein quartz . Mineralisation in the form of ...
... boreholes , in Mananpur area . The rock types encountered in boreholes comprise granite - gneiss , amphibolite , calc - silicate , tremolite - actinolite schist , quartzites , pegmatites and vein quartz . Mineralisation in the form of ...
Page 92
... boreholes . Several zones of copper mineralisation have been intersected in the boreholes out of which the copper percentage in significant zones vary from 0.36 % to 2.0 % . At Bhadalikhera , 519.60 m of drilling involving 3 boreholes ...
... boreholes . Several zones of copper mineralisation have been intersected in the boreholes out of which the copper percentage in significant zones vary from 0.36 % to 2.0 % . At Bhadalikhera , 519.60 m of drilling involving 3 boreholes ...
Page 137
... boreholes in Kulda - Manoharpur and 191.80m was drilled by 3 boreholes in Madhupur area . Borehole data show that the Barakar coal seams of Ib - valley , namely Lajkura ( Top and Bottom ) and Rampur have developed in both the areas ...
... boreholes in Kulda - Manoharpur and 191.80m was drilled by 3 boreholes in Madhupur area . Borehole data show that the Barakar coal seams of Ib - valley , namely Lajkura ( Top and Bottom ) and Rampur have developed in both the areas ...
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