Records of the Geological Survey of India, Volume 114Geological Survey of India, 1986 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 150
... length of 1.8 km in two series ( 60 m and 120 m R. L. ) of bore- holes . Of the three closely spaced ore bands , the main band has a thickness of about 10 m and is persistent over the entire strike length . The other two bands have an ...
... length of 1.8 km in two series ( 60 m and 120 m R. L. ) of bore- holes . Of the three closely spaced ore bands , the main band has a thickness of about 10 m and is persistent over the entire strike length . The other two bands have an ...
Page 222
... length . In the eastern part , a low dipping quartz vein traced over a strike length of 150 m indicated gold values upto Further 2.0 gm / tonne over an average width of 0.4 m . work is in progress . Nayakanhalli block Large scale ...
... length . In the eastern part , a low dipping quartz vein traced over a strike length of 150 m indicated gold values upto Further 2.0 gm / tonne over an average width of 0.4 m . work is in progress . Nayakanhalli block Large scale ...
Page 246
... length of 750 metres by trenching and drilling operations . An area of 4.5 sq km was covered over a strike length of 4.0 km with traverses laid to the east and west of the old workings . Copper mineralisation is reported in silicified ...
... length of 750 metres by trenching and drilling operations . An area of 4.5 sq km was covered over a strike length of 4.0 km with traverses laid to the east and west of the old workings . Copper mineralisation is reported in silicified ...
Contents
DRILLING DIVISION | 5 |
MAHARASHTRA CIRCLE EAST | 10 |
PUBLICATION INFORMATION DIVISION | 23 |
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Common terms and phrases
alignment amphibolite analysed Andhra Pradesh anomaly bands basin bed rock belt Bihar biotite block boreholes carried chalcopyrite charnockite clay coalfield comprising core covering an area depth dips Director DISTRICT Division dolomite drill holes dykes excavation exploration exposed fault folds foliation Formation geochemical geological investigation geological mapping geotechnical investigation glacier gneiss Gondwana granite gneiss granitoid grey Group Headquarters Hydel Project indicated intrusive Jammu Karnataka km long Laboratory Ladakh laterite limestone line km lineaments located logging magnetic magnetite mapped an area mica migmatites mineralisation minerals nala occur Orissa pegmatite phyllite pits power house proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types samples were collected sandstone scale schist seams sector sediments shale shear zone Shri siltstone slate spillway sq km sq km area strike length studies sulphide Survey of India thickness tion tonnes toposheet trending tunnel upto valley varying volcanics