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 71
... nature of the contact zone between the basic and acid rocks . The preliminary trench data has indicated the auriferous nature of the southern contact of the acid volcanic body with the amphibolite . The exploratory drilling in Forest ...
... nature of the contact zone between the basic and acid rocks . The preliminary trench data has indicated the auriferous nature of the southern contact of the acid volcanic body with the amphibolite . The exploratory drilling in Forest ...
Page 75
... nature of the western shear over a strike length of 320 m . A total of 13 trenches were excavated at a spacing of 50-100 m within the 900 m long zone of alteration and brecciation to test its auriferous nature . The analytical data ...
... nature of the western shear over a strike length of 320 m . A total of 13 trenches were excavated at a spacing of 50-100 m within the 900 m long zone of alteration and brecciation to test its auriferous nature . The analytical data ...
Page 88
... nature and quantum of work done are as follows : Target Nature of Work Large scale mapping ( 1 : 125000 ) ( sq km ) 5.00 Detailed mapping ( 1 : 1000 ) ( sq km ) Pitting / trenching ( cu m ) Drilling ( m ) Sampling ( Nos ) Achievement ...
... nature and quantum of work done are as follows : Target Nature of Work Large scale mapping ( 1 : 125000 ) ( sq km ) 5.00 Detailed mapping ( 1 : 1000 ) ( sq km ) Pitting / trenching ( cu m ) Drilling ( m ) Sampling ( Nos ) Achievement ...
Contents
Project JonnagiriKadiriGadwal Schist Belts | 21 |
Ramagiri Schist Belt | 27 |
Project Diamond | 34 |
Copyright | |
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Common terms and phrases
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