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 ii
... gold mineralisation , significant copper mineralisation was intersected in two boreholes . In other schist belts , potential zones for gold mineralisation have been identified . Exploration for gold in Karnataka was carried out in parts ...
... gold mineralisation , significant copper mineralisation was intersected in two boreholes . In other schist belts , potential zones for gold mineralisation have been identified . Exploration for gold in Karnataka was carried out in parts ...
Page 22
... gold lodes in Dona Temple block and geophysical resitivity anomalies . Seven boreholes ( 1501.65 m , JD - 30 to 36 ) drilled during this phase at 100/150 m strike intervals covering a zone of 800 m , indicated significant auriferous ...
... gold lodes in Dona Temple block and geophysical resitivity anomalies . Seven boreholes ( 1501.65 m , JD - 30 to 36 ) drilled during this phase at 100/150 m strike intervals covering a zone of 800 m , indicated significant auriferous ...
Page 157
... gold is occurring as gold - silver alloy ( Au between 97.79 ± 0.29 % in core samples and 98.87 ± 0.81 % in surface samples ) . Gold grains show effects of shearing . Exploratory drilling was started during FS 1994-95 and a total of ...
... gold is occurring as gold - silver alloy ( Au between 97.79 ± 0.29 % in core samples and 98.87 ± 0.81 % in surface samples ) . Gold grains show effects of shearing . Exploratory drilling was started during FS 1994-95 and a total of ...
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