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 262
... trending axis . The southern limb of the ' syncline has been trun- cated by a prominent fault trending ENE - WSW . This fault could be traced all along the sourthern boundary of the Coalfield . Of the various linear fea- tures observed ...
... trending axis . The southern limb of the ' syncline has been trun- cated by a prominent fault trending ENE - WSW . This fault could be traced all along the sourthern boundary of the Coalfield . Of the various linear fea- tures observed ...
Page 263
... trending NW - SE depicting the boundaries of the rectilinear Gondwana basin with the Precambrians to the east and west . A series of lineaments oriented NE - SW , trans- verse to the Gondwana structural grain , have been observed across ...
... trending NW - SE depicting the boundaries of the rectilinear Gondwana basin with the Precambrians to the east and west . A series of lineaments oriented NE - SW , trans- verse to the Gondwana structural grain , have been observed across ...
Page
... trending NW- SW are exposed intermittently within the gneissic terrain . The rock is dark , medium grained , hard and compact showing bouldary nature on surface and sheet like structure deep in the quarries . The dykes have a length of ...
... trending NW- SW are exposed intermittently within the gneissic terrain . The rock is dark , medium grained , hard and compact showing bouldary nature on surface and sheet like structure deep in the quarries . The dykes have a length of ...
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