Records of the Geological Survey of India, Volume 108The Survey, 1977 - 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 35
... varies between 5 and 150 ppm , few samples showing 900 ppm Mo. The elements Sb , Cd , Ag and Hg are below detectable limit , while Bi is less than 10 ppm . Dalma Volcanics and Turamdih area , Bihar : 286 samples were analysed by AA ...
... varies between 5 and 150 ppm , few samples showing 900 ppm Mo. The elements Sb , Cd , Ag and Hg are below detectable limit , while Bi is less than 10 ppm . Dalma Volcanics and Turamdih area , Bihar : 286 samples were analysed by AA ...
Page 191
... varies from 1 : 2 to 1 : 5 and in the south- western part it is 1 : 3 to 1 : 5. In the interveing area the ratio varies from 1:10 to 1:17 . The analyses of the 157 core samples reveal that the alumina silica ratio varies with depth ...
... varies from 1 : 2 to 1 : 5 and in the south- western part it is 1 : 3 to 1 : 5. In the interveing area the ratio varies from 1:10 to 1:17 . The analyses of the 157 core samples reveal that the alumina silica ratio varies with depth ...
Page 73
... varies from a few metres to as much as 65 m in some places . Thin flows , which are less than a metre thick and have limited lateral extent , often exhibit pahoehoe toe- structure as described by Mac Donald ( 1967 ) and others . The ...
... varies from a few metres to as much as 65 m in some places . Thin flows , which are less than a metre thick and have limited lateral extent , often exhibit pahoehoe toe- structure as described by Mac Donald ( 1967 ) and others . The ...
Contents
VOLUME 108 | 36 |
GENERAL REPORT OF THE GEOLOGICAL SURVEY OF INDIA | 52 |
CONTENTS | 83 |
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alignment amphibolite Andhra Pradesh anomaly Asstt bands Banerjee basalt bauxite bed rock biotite block boreholes carried chalcopyrite charnockite clay collected comprising conglomerate copper core covered Deccan Trap Delhi deposits depth dips Director DISTRICT dolerite dolomite drill holes dykes encountered exposed fault flows folds foliation Formation fossils foundation geochemical geological mapping Geologists Jr geophysical geotechnical gneiss grade grained granite granite gneiss graphite grey Group Gupta Hydel indicated intrusives investigation Laboratory laterite left bank limestone located logged Madhya Pradesh magnetite mica schist migmatites million tonnes mineralisation minerals Murthy nala NW-SE occur pegmatite phyllites pits plane power house Project proposed pyrite quartz quartz veins quartzite Rajasthan Region river rock types samples sand sandstone Sarvashri scale schist seams sediments sequence shales shear zone Shri Singh Sinha soil spillway sq km strike length studies sulphide surveys thick traverse trending tunnel upto valley varies