Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 90
... Drilling to test the sulphide mineraliseation at Bedawal , Pavati and Chari blocks was in progress . At Bedawal , a total of 1,895.15 m of drilling was done involving 8 drill holes . Two significant lodes of copper mineralisation have ...
... Drilling to test the sulphide mineraliseation at Bedawal , Pavati and Chari blocks was in progress . At Bedawal , a total of 1,895.15 m of drilling was done involving 8 drill holes . Two significant lodes of copper mineralisation have ...
Page 91
... drilling was carried out at the northerly plunging Ghugra syncline , where calc - silicate rocks are structurally emplaced within the Ajabgarh Group of rocks . Drilling has indicated a reserve of 14.27 m . tonnes of 1.73 % Pb + 2.41 ...
... drilling was carried out at the northerly plunging Ghugra syncline , where calc - silicate rocks are structurally emplaced within the Ajabgarh Group of rocks . Drilling has indicated a reserve of 14.27 m . tonnes of 1.73 % Pb + 2.41 ...
Page 92
... drilling in four boreholes in this block to test the anomalous zones . Since no significant mineralisation was intersected in the boreholes , drilling was discontinued in the Sagarmala area . Drilling at Rajosi could not be undertaken ...
... drilling in four boreholes in this block to test the anomalous zones . Since no significant mineralisation was intersected in the boreholes , drilling was discontinued in the Sagarmala area . Drilling at Rajosi could not be undertaken ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal