Records of the Geological Survey of India, Volume 124, Part 5The Survey, 1991 - 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 51
... mineralisation . Based on these interpretations a tungsten mineralisation zone has been discovered ( 300 m x 2.5 m ) , about 2.5 km southeast of Balepalyam village at the younger granite - schist contact . The mineralisation , mostly ...
... mineralisation . Based on these interpretations a tungsten mineralisation zone has been discovered ( 300 m x 2.5 m ) , about 2.5 km southeast of Balepalyam village at the younger granite - schist contact . The mineralisation , mostly ...
Page 60
... mineralisation has been noticed within BIF , amphibolite and metapyroxenite . The banded iron formation in the area shows visible sulphide ( mostly pyrite and arsenopyrite ) mineralisation in Errakonda and Merugumulakonda . The ...
... mineralisation has been noticed within BIF , amphibolite and metapyroxenite . The banded iron formation in the area shows visible sulphide ( mostly pyrite and arsenopyrite ) mineralisation in Errakonda and Merugumulakonda . The ...
Page 84
... mineralised zones are pitching 40 ° towards N50 ° E direction and have the depth persistence upto 100m vertically . The mineralised zone - 1 , which indicated good mineralisation in the the showed poor trenches , showed mineralisation ...
... mineralised zones are pitching 40 ° towards N50 ° E direction and have the depth persistence upto 100m vertically . The mineralised zone - 1 , which indicated good mineralisation in the the showed poor trenches , showed mineralisation ...
Contents
Andhra Pradesh | 11 |
Karnataka and Goa | 61 |
Tamil Nadu Kerala | 109 |
Copyright | |
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alkali feldspar granite amphibolite ANDHRA PRADESH ANDHRA PRADESH Code anomaly zones banded iron formation basin biotite block boreholes carried channel charnockite Chitradurga chlorite clay coarse-grained comprising depth Dharwar dips DISTRICT dolerite drilling emplaced enclaves exposed feldspar field season fluvial foliation Formation gabbro geochemical GEOLOGICAL MAP GEOPHYSICAL gneiss gold values granite granite gneiss granitoids gravel grey granite hornblende INDEX indicated intersected intrusives INVESTIGATION FOR GOLD joints KARNATAKA KARNATAKA Code KERALA kimberlite Krishna landforms lateritic lignite limestone located lode magnetic magnetite metabasalt migmatites mineralised zone NW-SE occur palaeochannel Palar pediplain pegmatite Peninsular Gneissic Complex phyllite pink granite Plate-2 pyroxenite quartz quartz veins quartzite Quaternary reservoir river rock types samples sand scale schist belt schistose shale shear slopes soil sq km strike length studies sulphide mineralisation surface surveys syenite TAMIL NADU terrace thick tonalite traverse trench trending ultramafic upto vertical volcanics width