Records of the Geological Survey of India, Volume 129, Parts 2-3The Survey, 1998 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 143
... base . The area lies between Lat . 11 ° 09'N - 11 ° 28'N and Long . 76 ° 48'E 77 ° 17'E . The main rock types comprise garnetiferous hornblende biotite gneiss and charnockites . Preliminary exploration indicated sulphide mineralisation ...
... base . The area lies between Lat . 11 ° 09'N - 11 ° 28'N and Long . 76 ° 48'E 77 ° 17'E . The main rock types comprise garnetiferous hornblende biotite gneiss and charnockites . Preliminary exploration indicated sulphide mineralisation ...
Page 168
... base , occasionally carbonaceous with carbonised wood and gravels of lateritic iron oxide . A few cores also have silty sand at the base . These carbonised wood horizons represent past back swamps . The cores do not show much ...
... base , occasionally carbonaceous with carbonised wood and gravels of lateritic iron oxide . A few cores also have silty sand at the base . These carbonised wood horizons represent past back swamps . The cores do not show much ...
Page
... base metal prospects in the western part of this belt ( viz . Baraganda - Parasiya Sector ) , the remarkable similar- ity in nature of mineralisation and continuity of the same geological setting upto Daltonganj , steers one to examine ...
... base metal prospects in the western part of this belt ( viz . Baraganda - Parasiya Sector ) , the remarkable similar- ity in nature of mineralisation and continuity of the same geological setting upto Daltonganj , steers one to examine ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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acid volcanics aeromagnetic amphibolite anomaly bands Barakar Barakar Formation Barren Measure basemetal basic basin belt Bhutan Bihar biotite block boreholes charnockite Chhotanagpur clay coal seams Coalfield coarse Code core covered depth district Division drilling dykes east eastern faults field season foliation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION Ghosh gneiss gneissic gold Gondwana grade grained granite granite gneiss grey ground evaluation heavy minerals India indicated intersected intrusives Kamthi laterite limestone lineament located magnetic mica schist migmatite mineralisation nala NW-SE occur Orissa OVERVIEW pegmatite phyllite plagioclase Pradesh programme Project Proterozoic Purulia Purulia district quartz quartz veins quartzite Raniganj REGIONAL EXPLORATION river samples sand sandstone scale schist seam zones sector sediments sequence shale shear zone Sikkim Singhbhum southern sq km sq.km STAGE GEOTECHNICAL INVESTIGATION strike length structure sulphide surface survey Talchir terrain thickness tion Toposheet trending ultramafic upto varies West Bengal