Records of the Geological Survey of India, Volume 128, Parts 3-5Government of India, 1993 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 110
... magnetic ( V.F. ) anomaly map ( Plate 37 ) shows several dipolar anomalies fashioned in the NW - SE direction , where the magnetic signature is very conspicuous and distinctly different from other areas . This magnetic anomaly is very ...
... magnetic ( V.F. ) anomaly map ( Plate 37 ) shows several dipolar anomalies fashioned in the NW - SE direction , where the magnetic signature is very conspicuous and distinctly different from other areas . This magnetic anomaly is very ...
Page 117
... magnetic responses have been identified in the area ( 1 ) A zone of rather flat magnetic anomaly possibly indicating the presence of pyroclastics , volcanoclastic , acidic rocks at depth ; ( 2 ) Zones of high magnetic fluctuations ( 300 ...
... magnetic responses have been identified in the area ( 1 ) A zone of rather flat magnetic anomaly possibly indicating the presence of pyroclastics , volcanoclastic , acidic rocks at depth ; ( 2 ) Zones of high magnetic fluctuations ( 300 ...
Page 118
... Magnetic survey was conducted along available NE - SW roads over the area lying between Tamar- Porapahar shear zone in the north and Dalma volcanics in the south . A total of 44 L. km ( approx ) was covered by magnetic survey to ...
... Magnetic survey was conducted along available NE - SW roads over the area lying between Tamar- Porapahar shear zone in the north and Dalma volcanics in the south . A total of 44 L. km ( approx ) was covered by magnetic survey to ...
Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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Common terms and phrases
alignment amphibolite Andaman Andhra Pradesh apatite bands basemetal basin Bihar biotite block boreholes carbonatite charnockite chlorite clay conglomerate covered depth dips district dolerite drilling dykes Eastern excavation exposed fault field season fold foliation Formation fractures gabbro geochemical geological mapping geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold mineralisation Gondwana grade grained granite granite gneiss granulite grey Group of rocks INDEX indicated intersected intrusives joints Karnataka kimberlite laterite limestone lineaments lithounits located magnetic magnetite migmatite mineral NE-SW NW-SE occur Orissa pegmatite phyllite power house Project proposed pyrite quartz quartz veins quartzite Quaternary regional reservoir river rock types samples sandstone scale schist schist belt schistose sedimentary shale shear zone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structures sulphide Tamil Nadu thick tion toposheet traverse trench trending tunnel ultramafic upto valley volcanics West Bengal