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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Results 1-3 of 33
Page 60
... ranging from less than 0.1 ppm to 0.27 ppm and copper from 900 to 920 ppm . Quartz vein and metapyroxinite body within the quartz - muscovite - sericite schist in the Gandimadugu area shows signs of Cu , Ag and Au mineralisation . An ...
... ranging from less than 0.1 ppm to 0.27 ppm and copper from 900 to 920 ppm . Quartz vein and metapyroxinite body within the quartz - muscovite - sericite schist in the Gandimadugu area shows signs of Cu , Ag and Au mineralisation . An ...
Page 99
... ranging from 65 m to 165 m . The mineralised zone intersected in the boreholes varies in width from 0.10 to 0.50 m analysing 0.20 to 2.5 % Cu associated with 25 to 20 ppm As . Geochemical sampling and large scale mapping along the ...
... ranging from 65 m to 165 m . The mineralised zone intersected in the boreholes varies in width from 0.10 to 0.50 m analysing 0.20 to 2.5 % Cu associated with 25 to 20 ppm As . Geochemical sampling and large scale mapping along the ...
Page 226
... ranging from -100 to +1,100 gammas . The IP chargeability anomalies in the area appear to be due to ( 1 ) the fine concentration of magnetic minerals like magnetite / pyrrhotite as narrow bands or clusters in metabasalts ( 2 ) the fine ...
... ranging from -100 to +1,100 gammas . The IP chargeability anomalies in the area appear to be due to ( 1 ) the fine concentration of magnetic minerals like magnetite / pyrrhotite as narrow bands or clusters in metabasalts ( 2 ) the fine ...
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