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. |
From inside the book
Results 1-3 of 85
Page 100
... scale was carried out with large scale mapping of 0.75 sq . km . on 1 : 5,000 and 0.25 sq . km . on 1 : 2,000 scales around Rahergora in 73 J / 11 in Singhbhum District , Bihar where indications of PGE and Au were already established ...
... scale was carried out with large scale mapping of 0.75 sq . km . on 1 : 5,000 and 0.25 sq . km . on 1 : 2,000 scales around Rahergora in 73 J / 11 in Singhbhum District , Bihar where indications of PGE and Au were already established ...
Page
... scale mapping ( 285 sq km on 1 : 25,000 scale ) , detailed mapping ( 0.5 sq km ) on 1 : 1000 scale , bed rock sampling ( 510 nos . ) , pitting / trenching ( 100 Cu m ) , stream sediments sampling ( 120 nos . ) pet- rochemical sampling ...
... scale mapping ( 285 sq km on 1 : 25,000 scale ) , detailed mapping ( 0.5 sq km ) on 1 : 1000 scale , bed rock sampling ( 510 nos . ) , pitting / trenching ( 100 Cu m ) , stream sediments sampling ( 120 nos . ) pet- rochemical sampling ...
Page 2
... scale was done . 10 ) Geological mapping of wall behind power house covering an area of 130 sqm ( 1 : 200 scale ) was done . It was suggested to provide a thin wall of RCC for preventing slide of any boulder in future . 11 ) Geological ...
... scale was done . 10 ) Geological mapping of wall behind power house covering an area of 130 sqm ( 1 : 200 scale ) was done . It was suggested to provide a thin wall of RCC for preventing slide of any boulder in future . 11 ) Geological ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
23 other sections not shown
Other editions - View all
Common terms and phrases
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