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 49
... nature of the varioles and their coalescence suggest a clear cut differentiation of the rock at an early stage . The volcanics are suggested to be undifferentiated in nature , subaqueous and atleast in part hyaline , metamorphosed in ...
... nature of the varioles and their coalescence suggest a clear cut differentiation of the rock at an early stage . The volcanics are suggested to be undifferentiated in nature , subaqueous and atleast in part hyaline , metamorphosed in ...
Page 172
... nature with ash content around 45 % . The coals are medium volatile ( 30-36 % UVM ) with C. I. values ranging from 14 17. Ro ( max ) . On the basis of all available data , it appears that there is no appreciable change in the nature of ...
... nature with ash content around 45 % . The coals are medium volatile ( 30-36 % UVM ) with C. I. values ranging from 14 17. Ro ( max ) . On the basis of all available data , it appears that there is no appreciable change in the nature of ...
Page 83
... nature of all significant lineaments . Besides , the available information from earlier maps and reports have also been consulted . Geomorphologically , the study area is characterised by parallel ridges and valleys . The lineaments ...
... nature of all significant lineaments . Besides , the available information from earlier maps and reports have also been consulted . Geomorphologically , the study area is characterised by parallel ridges and valleys . The lineaments ...
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