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 33
... present with plagioclase and or with nepheline . K - feldspar and perthite become dominant in more differentiated varieties . Euhedral apatite is characteristic acces- sory with analcite , sphene , spinel and Fe - Ti oxide . Ubiquitous ...
... present with plagioclase and or with nepheline . K - feldspar and perthite become dominant in more differentiated varieties . Euhedral apatite is characteristic acces- sory with analcite , sphene , spinel and Fe - Ti oxide . Ubiquitous ...
Page 6
... present investigation was carried out in the Chandiposh ( 22 ° 02′10 ′′ : 84 ° 55'45 " ) - Rangra ( 22 ° 02′30 ′′ : 85 ° 09'30 " ) area of Sundergarh dist . , Orissa ( Plate 26 ) to study the volcano - sedimentary lithopackage to the ...
... present investigation was carried out in the Chandiposh ( 22 ° 02′10 ′′ : 84 ° 55'45 " ) - Rangra ( 22 ° 02′30 ′′ : 85 ° 09'30 " ) area of Sundergarh dist . , Orissa ( Plate 26 ) to study the volcano - sedimentary lithopackage to the ...
Page
... present work was on delineating major structural controls viz , large basin margin faults , lin- eaments or intersections of the same as possible loca- tions of kimberlites and lamproites , the primary source rock for diamonds ...
... present work was on delineating major structural controls viz , large basin margin faults , lin- eaments or intersections of the same as possible loca- tions of kimberlites and lamproites , the primary source rock for diamonds ...
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