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 27
... zones associated with quartz veins along shear zones showing wall rock alteration within intrusive granodiorite - tonalite suite and in sheared metabasalt / amphibolite . Probe drilling conducted during 1987-89 indicated poor gold ...
... zones associated with quartz veins along shear zones showing wall rock alteration within intrusive granodiorite - tonalite suite and in sheared metabasalt / amphibolite . Probe drilling conducted during 1987-89 indicated poor gold ...
Page 116
... Zone ( DSRZ ) 250 km long and 25-30 km wide trending NNE - SSW from Gudiyattam in the North to near Bhavani in the ... shear zone . General trend of foliation is NNE - SSW with steep dip to NW in the area east of shear zone and to SE in ...
... Zone ( DSRZ ) 250 km long and 25-30 km wide trending NNE - SSW from Gudiyattam in the North to near Bhavani in the ... shear zone . General trend of foliation is NNE - SSW with steep dip to NW in the area east of shear zone and to SE in ...
Page 124
... shear zones namely the Pambar shear on the west and Ammapettai - Bairanayakanpatti shear on the east . The zone enclosed by them consists of rocks of charnockite group which are lithologically different from the rocks on either side . A ...
... shear zones namely the Pambar shear on the west and Ammapettai - Bairanayakanpatti shear on the east . The zone enclosed by them consists of rocks of charnockite group which are lithologically different from the rocks on either side . A ...
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