Records of the Geological Survey of India, Volume 128, Part 2The Survey, 1995 - 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 109
... anomalies with a view to locating possible basemetal mineralisation which happens to be one of the causative factors for electromagnetic anomalies . The distribu- tion pattern of electromagnetic anomaly zones has been found to bear a ...
... anomalies with a view to locating possible basemetal mineralisation which happens to be one of the causative factors for electromagnetic anomalies . The distribu- tion pattern of electromagnetic anomaly zones has been found to bear a ...
Page 111
... anomalies evaluated on Mahakoshal Group of rocks were located on carbonaceous phyllite . Such anomalies are characterised by low amplitude , moderate width , slow decay ratios and association of low magnetic values . The anomalies ...
... anomalies evaluated on Mahakoshal Group of rocks were located on carbonaceous phyllite . Such anomalies are characterised by low amplitude , moderate width , slow decay ratios and association of low magnetic values . The anomalies ...
Page 117
... anomalies evaluated , 20 AEM anomalies correspond to granite - gneisses ( Archaeans ) . 40 AEM anomalies correspond to phyllite , BIF ferruginised brecciated chert / quartzite ( Mahakoshal Group ) , 32 AEM anomalies cor- respond to ...
... anomalies evaluated , 20 AEM anomalies correspond to granite - gneisses ( Archaeans ) . 40 AEM anomalies correspond to phyllite , BIF ferruginised brecciated chert / quartzite ( Mahakoshal Group ) , 32 AEM anomalies cor- respond to ...
Contents
CENTRAL HEADQUARTERS 150 | 1 |
ANTARCTICA DIVISION 5159 | 51 |
BHUTAN UNIT 6089 | 60 |
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aeromagnetic aeromagnetic survey amphibolite AMSE Wing analysis anomalies assemblage Barakar Barakar Formation Barren Measures basin bathymetric Bengal Bhutan BIHAR biotite block boreholes carbonaceous carried clay COAL WING COALFIELD coarse coast Code core covered cruise depth range DISTRICT Division dolomite drilling east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP geophysical gneiss gold Gondwana grade grained granite gravity grey ground evaluation heavy minerals India indicated intersected intrusives investigation isobaths Kamthi Formation Lakshadweep lignite linear located MADHYA PRADESH magnetic metamorphic migmatites mineralisation multisensor northern NW-SE occur OVERVIEW phyllite programme quartz quartzite Raniganj Raniganj Formation REGIONAL EXPLORATION ridge rocks samples sand sandstone scale schist schist belt seabed seam zones sector sediments sequence SHAHDOL DISTRICT shale shallow shear slope Sohagpur sq km strike length structural studies surface surveys Talchir thickness Thimphu toposheet trending ultramafic upto varies volcanics water depths