Records of the Geological Survey of India, Volume 108Geological Survey of India, 1983 - 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 53
... continued the exploratory drilling in Namchik - Namphuk area involving a meterage of 551.60 in five boreholes , NN - 18 , 20 , 21 , 22 and 23 . KHASI HILLS DISTRICT Laitryngew Coalfield MEGHALAYA U. Bhattacharya and R. K. Chakraborty ...
... continued the exploratory drilling in Namchik - Namphuk area involving a meterage of 551.60 in five boreholes , NN - 18 , 20 , 21 , 22 and 23 . KHASI HILLS DISTRICT Laitryngew Coalfield MEGHALAYA U. Bhattacharya and R. K. Chakraborty ...
Page 75
... continued investigation of the bauxite deposit near Ambakonatoli ( 23 ° 25 ′ : 84 ° 00 ′ ; 73A / 3 ) in Orsa Pat ( 64 M / 13 and 73 A / 3 ) and carried out detailed mapping of 50 sq km area on 1 : 63,360 scale , large scale mapping of ...
... continued investigation of the bauxite deposit near Ambakonatoli ( 23 ° 25 ′ : 84 ° 00 ′ ; 73A / 3 ) in Orsa Pat ( 64 M / 13 and 73 A / 3 ) and carried out detailed mapping of 50 sq km area on 1 : 63,360 scale , large scale mapping of ...
Page 135
... continued the investigation by pitting in the Kabr plateau . Baxite 3.50 m - 4.50 m thick was encountered in 16 out of 23 pits excavated . The base of the bauxite zone was marked by purple to red lithomargic clay . Reserves are still to ...
... continued the investigation by pitting in the Kabr plateau . Baxite 3.50 m - 4.50 m thick was encountered in 16 out of 23 pits excavated . The base of the bauxite zone was marked by purple to red lithomargic clay . Reserves are still to ...
Contents
Map Division | 32 |
Publication Division | 41 |
Drilling Division | 48 |
Copyright | |
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alignment amphibolite Andhra Pradesh anomaly Asstt bands basalt bauxite bed rock biotite biotite gneiss block boreholes chalcopyrite charnockite Circle clay comprising conglomerate cores covered Cuddapah Deccan Trap deposits depth dips Director DISTRICT dolerite dolomite drill holes dykes encountered exposed fault folds foliation Formation foundation garnetiferous geochemical geological mapping Geologists Jr GEOLOGY DIVISION geophysical geotechnical gneiss grade grained granite granite gneiss granulite graphite grey Group hornblende indicated intrusives investigation Karnataka Kerala laboratory laterite limestone located logged magnetite metres mica schist migmatite million tonnes mineralisation minerals Murthy nala NW-SE occur officers Orissa pegmatite phyllite pits porphyritic power house Project proposed pyrite pyrrhotite quartz quartz veins quartzite Quaternary 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 taluks thick traverse trending tunnel upto valley varies