Records of the Geological Survey of India, Volume 132, Part 5The Survey, 1997 - 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 22
... drilled during this phase at 100/150 m strike intervals covering a zone of 800 m , indicated significant auriferous zones . The best intersection was in JD - 32 . However , as a detailed study and reinterpretation of all exploration ...
... drilled during this phase at 100/150 m strike intervals covering a zone of 800 m , indicated significant auriferous zones . The best intersection was in JD - 32 . However , as a detailed study and reinterpretation of all exploration ...
Page 88
... drilled to check the southern extension of sulphidic cherts intersected in GNB - 6 , besides testing the depth continuity of lode zone under a narrow old working . Though the strike of the three lodes varied from N30 ° to 50 ° W , all ...
... drilled to check the southern extension of sulphidic cherts intersected in GNB - 6 , besides testing the depth continuity of lode zone under a narrow old working . Though the strike of the three lodes varied from N30 ° to 50 ° W , all ...
Page 177
... drilled to test the geophysical anomalies , two are located in the yalley and the other two on the right hillock . The first two boreholes , drilled in the valley from RL 225 m ± have met with hard quartzite below a 10 to 15 m thick ...
... drilled to test the geophysical anomalies , two are located in the yalley and the other two on the right hillock . The first two boreholes , drilled in the valley from RL 225 m ± have met with hard quartzite below a 10 to 15 m thick ...
Contents
Project JonnagiriKadiriGadwal Schist Belts | 21 |
Ramagiri Schist Belt | 27 |
Project Diamond | 34 |
Copyright | |
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acid volcanics amphibolite ANDHRA PRADESH argillites assessment auriferous bands basin biotite block boreholes carried chargeability charnockite charnockite gneiss Chitradurga clay construction Cuddapah delineated depth Dharmapuri district dimension stone dolerite downstream drilled earth dam east emplaced ENE-WSW excavated exposed faults field season folds foliation Formation foundation fractures geochemical GEOLOGICAL MAP geophysical gneiss Gneissic gold mineralisation grained granite granite gneiss granulite grey grouting hornblende indicated intersected intrusive joints KARNATAKA KERALA kimberlite laterite limestone lineament located lode mafic magnetic major migmatitic minerals NE-SW NNW-SSE NW-SE occurs pegmatite pegmatite veins phyllite pink Plate-1 potential power house pyroxene pyroxene granulite quartz quartz veins quartzite regional Reservoir Project River rock types samples scale schist belt sediments seepage shaft shear zone slope soil southern spillway sq km strike length structural studies sulphides surveys Tamil Nadu tectonic terrain thick traverses trench trending tunnel upto vertical weathered