Records of the Geological Survey of India, Volume 123, Part 1The Survey, 2002 - 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 225
... types from the area shows bimodal and possible calc - alkaline magmatic trends . Acid to intermediate metaigneous rocks generally show high Zr , Ea , Rb and Sr values and sodic and potas- sic alkali granitic compositions , among others ...
... types from the area shows bimodal and possible calc - alkaline magmatic trends . Acid to intermediate metaigneous rocks generally show high Zr , Ea , Rb and Sr values and sodic and potas- sic alkali granitic compositions , among others ...
Page 231
... types using Manson's ( 1967 ) screen for basaltic rocks . Classification and nomen- clature of rock types was done on the basis of norma- tive composition combined with chemical classifica- tion based on Total Alkali - Silica ( TAS ) ...
... types using Manson's ( 1967 ) screen for basaltic rocks . Classification and nomen- clature of rock types was done on the basis of norma- tive composition combined with chemical classifica- tion based on Total Alkali - Silica ( TAS ) ...
Page 258
... types exposed in the migmatite , amphibolite , banded banded pegmatite and quartz veins . The amphibolite and banded iron formation at 1.5 km NE of Varatanapalli is gossanised and silicified . silicified . The Sakalakunta old working ...
... types exposed in the migmatite , amphibolite , banded banded pegmatite and quartz veins . The amphibolite and banded iron formation at 1.5 km NE of Varatanapalli is gossanised and silicified . silicified . The Sakalakunta old working ...
Contents
CENTRAL HEADQUARTERS | 1 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 46 |
COAL WING | 72 |
Copyright | |
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analysed anomaly assess associated bands basalt base basic basin belt Bihar block bodies boreholes carried channel clay coal Code collected completed comprises condition construction continued core covered delineated deposits depth detailed developed Director district Division drilling dykes eastern exploration exposed field flows Formation foundation geological mapping geophysical geotechnical investigation gneiss gold grade grained granite Group Headquarters holes identified indicated intrusive irrigation length lignite limestone located lower magnetic major mineral mineralisation Nagpur objective occur Orissa Pradesh prepared present processed proposed quartz quartzite range Regional reported reservoir revealed river rock samples sand sandstone scale Scheme schist seams sediments shale shear soil spillway sq km stage strike structure suggested surface surveys taken thickness thin tion Toposheet traverses trending tunnel units upto values varies various veins West zone