Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1991 - 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 81
... phase or phases present during the process of formation of chondrite . The analysis revealed that the individual chondrules is composed of more than one normative mineral . The normatives observed are : ( 1 ) olivine- hypersthene ( 2 ) ...
... phase or phases present during the process of formation of chondrite . The analysis revealed that the individual chondrules is composed of more than one normative mineral . The normatives observed are : ( 1 ) olivine- hypersthene ( 2 ) ...
Page 85
... phase programme and analy- sis programme specifying starting angle and final angle for different phases . The integrated net inten- sity was calculated after background correction . Calibration curves for different phases were drawn and ...
... phase programme and analy- sis programme specifying starting angle and final angle for different phases . The integrated net inten- sity was calculated after background correction . Calibration curves for different phases were drawn and ...
Page 92
... phases — iron- nickel , troilite and silicate . Different methodologies are adopted for the extraction of the elements from the different phases , for subsequent estimation of the elemental concentration by hyphenated tech- niques ...
... phases — iron- nickel , troilite and silicate . Different methodologies are adopted for the extraction of the elements from the different phases , for subsequent estimation of the elemental concentration by hyphenated tech- niques ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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Common terms and phrases
aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Formation BARREN MEASURES FORMATION basement basin Bhutan block boreholes carbonaceous Central chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament MADHYA PRADESH magnetic magnetite medium metamorphism migmatite million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km Stratigraphy strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone