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 53
... fold shears trending NNW - SSE are respon- sible for the development of F - 3 folds , with NW - SE axial trace having variable plunge ( both in amount and direction ) . The fourth phase of folding ( F4 ) has produced open folds and ...
... fold shears trending NNW - SSE are respon- sible for the development of F - 3 folds , with NW - SE axial trace having variable plunge ( both in amount and direction ) . The fourth phase of folding ( F4 ) has produced open folds and ...
Page 56
... folds ( F1 ) , N - S trending folds ( F2 ) and NNW - SSE trending folds and attained metamor- phism of lower to middle amphibolite facies . Gold mineralisation is localised along the shear zones in schistose amphibolite and quartzo ...
... folds ( F1 ) , N - S trending folds ( F2 ) and NNW - SSE trending folds and attained metamor- phism of lower to middle amphibolite facies . Gold mineralisation is localised along the shear zones in schistose amphibolite and quartzo ...
Page 120
... folds have been recognised in the area . F1 are rootless , tight isoclinal folds of mesoscopic scale seen in the magnetite quartzite . F2 are the regional folds on foliation ( S1 ) , which portrays the overall rock disposition in the ...
... folds have been recognised in the area . F1 are rootless , tight isoclinal folds of mesoscopic scale seen in the magnetite quartzite . F2 are the regional folds on foliation ( S1 ) , which portrays the overall rock disposition in the ...
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