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 209
... pegmatite veins . Tin was also identified in one of the grab sample of pegmatite of this zone . Samples were collected from the mineralised zone , host rocks and contact aureoles . The maximum concentration of scheelite is observed in ...
... pegmatite veins . Tin was also identified in one of the grab sample of pegmatite of this zone . Samples were collected from the mineralised zone , host rocks and contact aureoles . The maximum concentration of scheelite is observed in ...
Page 10
... pegmatite bodies and discordant bodies ( pegmatite veins in NNE- SSW to N - S direction across the foliation of country rocks ) . Mica minings have been extensively done in recent days in such intersection zone localities , where ...
... pegmatite bodies and discordant bodies ( pegmatite veins in NNE- SSW to N - S direction across the foliation of country rocks ) . Mica minings have been extensively done in recent days in such intersection zone localities , where ...
Page 11
... pegmatite bodies and the result has been encouraging . Mica pegmatite bodies have been inter- sected between 13.60 to 18.00 m depth along the hole . The resistivity values between 800 and 1000 ohm / m indicate presence of pegmatite of ...
... pegmatite bodies and the result has been encouraging . Mica pegmatite bodies have been inter- sected between 13.60 to 18.00 m depth along the hole . The resistivity values between 800 and 1000 ohm / m indicate presence of pegmatite of ...
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