Records of the Geological Survey of India, Volume 113, Parts 1-3The Survey, 1983 - 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 178
... types , viz ( i ) the mica pegmatites containing commer- cial muscovite characterised by dominance of oligoclase , and ( ii ) mica - poor or mica - free type characterised by the dominance of microcline and quartz . The mica pegmatites ...
... types , viz ( i ) the mica pegmatites containing commer- cial muscovite characterised by dominance of oligoclase , and ( ii ) mica - poor or mica - free type characterised by the dominance of microcline and quartz . The mica pegmatites ...
Page 296
... types studied include alkaline rocks ( syenitic ) , nepheline - diposide rock , carbonates with calcite veins , amphibole - feldspar rock and amphibolites . Magnetite and limonite occur in association with apatite and fluorite at places ...
... types studied include alkaline rocks ( syenitic ) , nepheline - diposide rock , carbonates with calcite veins , amphibole - feldspar rock and amphibolites . Magnetite and limonite occur in association with apatite and fluorite at places ...
Page 103
... TYPES OF A PART OF THE SON VALLEY , MADHYA PRADESH ARINDAM GUPTA Geological Survey of India ABSTRACT Interpretation of geological formations on the basis of spectral variations of electromagnetic radiations emanating from rock outcrops ...
... TYPES OF A PART OF THE SON VALLEY , MADHYA PRADESH ARINDAM GUPTA Geological Survey of India ABSTRACT Interpretation of geological formations on the basis of spectral variations of electromagnetic radiations emanating from rock outcrops ...
Contents
OFF SHORE MINERAL EXPLORATION AND MARINE GEOLOGY DIVISION | 63 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 75 |
VI EASTERN REGION 165 | 165 |
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amphibolite analysis Andhra Pradesh anomaly zones apatite Asstt bands basin belt Bihar biotite block boreholes Calcutta carried chlorite clay Coalfield coarse collected core covered Deccan basalts Deccan Trap deposits depth dips Director DISTRICT Division dolomite drilling Dubrajpur exposed fault folds foliation Formation fossils geochemical Geol geological mapping Geological Survey Geologist Geologist Jr geotechnical Ghosh gneiss Gondwana grade granite gneiss grey Group Gupta indicated laboratory laterite limestone lineament lineation located logging Madhya Pradesh magnetic magnetite mapped an area metamorphism metres migmatites million tonnes mineralisation minerals nala occur Orissa pegmatite phyllite Plate Project pyrite quartz quartz veins quartzite Rajasthan Region river rock types S/Shri samples sandstone scale schist schistosity sector sequence shale shear zone Shri Singh Singhbhum sq km Srivastava strike length structural studies sulphide surface Survey of India thickness tion toposheet traverses trending upto volcanics