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 115
... present . This thin shell bed appears to indicate a brief marine incursion during the deposition of Quaternary sediments . The underlying Tertiary sediments comprise a thick sequence of poorly consolidated sandstones with thin ...
... present . This thin shell bed appears to indicate a brief marine incursion during the deposition of Quaternary sediments . The underlying Tertiary sediments comprise a thick sequence of poorly consolidated sandstones with thin ...
Page 123
... present in some mafic rocks . Tinguaites have alkali feldspar , nepheline and aegirine as their mineral constituents . Stream sediment samples have been collected from the entire area . The heavy fraction and individual mineral grains ...
... present in some mafic rocks . Tinguaites have alkali feldspar , nepheline and aegirine as their mineral constituents . Stream sediment samples have been collected from the entire area . The heavy fraction and individual mineral grains ...
Page 217
... present in the rockmass . Mylonite fillings are noticed along some of the joints with strike N to NNW -S to SSE and occasionally along the joints with strike NNE - SSW . The thickness of the mylonite seams varies from a few mm to about ...
... present in the rockmass . Mylonite fillings are noticed along some of the joints with strike N to NNW -S to SSE and occasionally along the joints with strike NNE - SSW . The thickness of the mylonite seams varies from a few mm to about ...
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