Records of the Geological Survey of India, Volume 111The Survey, 1982 - 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 41
... east of Tiruvallur . The topmost layer having a velocity varying from 1,900 to 2,200 m / sec . is likely to represent the weathered Gondwana formations or Cuddalore sandstones and is mainly confined to the eastern and northern parts of ...
... east of Tiruvallur . The topmost layer having a velocity varying from 1,900 to 2,200 m / sec . is likely to represent the weathered Gondwana formations or Cuddalore sandstones and is mainly confined to the eastern and northern parts of ...
Page 231
... east of Amronia ( 24 ° 38 ′ : 79 ° 41 ′ - 54 P / 10 ) . Exploratory drilling over two geophysical anomaly zones delineated was continued . A feebly disseminated zone of mineralization was encountered between 54.10 and 59.00 m in ...
... east of Amronia ( 24 ° 38 ′ : 79 ° 41 ′ - 54 P / 10 ) . Exploratory drilling over two geophysical anomaly zones delineated was continued . A feebly disseminated zone of mineralization was encountered between 54.10 and 59.00 m in ...
Page 62
... east of the Precambrian rocks in Singhbhum and Sundergarh region leads us to one more Archaean country in the ... east - west in the south changes to a north - south one in the north . In the far east and in Assam predominantly granitic ...
... east of the Precambrian rocks in Singhbhum and Sundergarh region leads us to one more Archaean country in the ... east - west in the south changes to a north - south one in the north . In the far east and in Assam predominantly granitic ...
Contents
ENGINEERING AND TRANSPORT DIVISION | 1 |
GEOSCIENCE DATA CENTRE | 9 |
WESTERN REGION | 17 |
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alignment amphibolite analysis Andhra Pradesh anomaly zone bands basalt basin bauxite bed rock Bihar biotite block boreholes carried out geological chalcopyrite Circle clay coal comprising Deccan Trap delineated deposits depth dipping Director dist district Division drill cores drill holes excavation fault folds Formation fossils geochemical geological mapping Geologist Geophysical surveys geotechnical geothermal glacier gneiss Gondwana grade Group grouting Headquarters indicated investigation laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Meghalaya metres mica schist migmatites million tonnes mineralisation minerals nala NE-SW NW-SE occurs Orissa pegmatite phyllite pits power house Project proposed pyrite quartz quartz veins quartzite Rajasthan regional resistivity river rock types S/Shri samples were collected sand sandstone Sarvashri scale schist seams sediments seismic shale shear zone Shri sillimanite soil spillway sq km strike length studies sulphide thickness tion Toposheet traverse trending tunnel upto Valley varying Vindhyan