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 146
... clay . They are of three types : ( 1 ) primary clay ( 2 ) secondary clay and ( 3 ) tile / brick clay . The primary clay , an alteration product of crystalline rocks , occurs as in - situ clay underlying the Tertiary sedimentary column ...
... clay . They are of three types : ( 1 ) primary clay ( 2 ) secondary clay and ( 3 ) tile / brick clay . The primary clay , an alteration product of crystalline rocks , occurs as in - situ clay underlying the Tertiary sedimentary column ...
Page 147
... clay deposit , though , the flood plains and tidal flats are rich in Quaternary clay , used in the manufacuture of bricks , tiles and potteries . The denudational landform is an uplifted pediplain , which is currently undergoing ...
... clay deposit , though , the flood plains and tidal flats are rich in Quaternary clay , used in the manufacuture of bricks , tiles and potteries . The denudational landform is an uplifted pediplain , which is currently undergoing ...
Page 148
... clay and moisture and ultimately it grades to the underlying clay horizon . Thickness of clay zone varies from 3 to 14 m . It varies from block to block and also within the block at short intervals of 200 m or even less , suggesting ...
... clay and moisture and ultimately it grades to the underlying clay horizon . Thickness of clay zone varies from 3 to 14 m . It varies from block to block and also within the block at short intervals of 200 m or even less , suggesting ...
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