Records of the Geological Survey of India, Volume 123, Part 5The Survey, 1990 - 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 43
... ranging rom N30W to N50W - S30E to S50E with vertical to sub - vertical dips . Joints are the most common structural feature seen in this area . Faulting was observed by way of displacement of dykes in N - S , NE - SW and NW - SE ...
... ranging rom N30W to N50W - S30E to S50E with vertical to sub - vertical dips . Joints are the most common structural feature seen in this area . Faulting was observed by way of displacement of dykes in N - S , NE - SW and NW - SE ...
Page 82
... ranging from 0.03 to 0.25 ppm were in- dicated in sheared and brecciated banded iron for- mation close to the contact with quartz - muscovite- sericite schist over a strike length of 500 m . Thin quartz veins emplaced in quartz ...
... ranging from 0.03 to 0.25 ppm were in- dicated in sheared and brecciated banded iron for- mation close to the contact with quartz - muscovite- sericite schist over a strike length of 500 m . Thin quartz veins emplaced in quartz ...
Page 86
... ranging from 5 to 125 ppm against a back- ground of < 2 ppm in adjacent country rocks . A stray wolframite piece from the trench in Etipalli analysed 2.34 % W with 300 ppm Nb , 300 ppm La and 200 ppm Ce . Stream sediment samples reveal ...
... ranging from 5 to 125 ppm against a back- ground of < 2 ppm in adjacent country rocks . A stray wolframite piece from the trench in Etipalli analysed 2.34 % W with 300 ppm Nb , 300 ppm La and 200 ppm Ce . Stream sediment samples reveal ...
Contents
Quaternary geology and geomorphology of the Coastal tracts | 1 |
Geology of Peninsular Gneissic Complex around Narasampet in Warangal district Andhra Pradesh | 8 |
Geology of Peninsular Gneissic Complex in parts of Jangaon and Aler area | 15 |
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alignment amphibolite ANDHRA PRADESH ANDHRA PRADESH CODE Archaean axis bands basin bedrock biotite block boreholes boreholes drilled canal charnockite charnockite gneiss clay coarse-grained current field season cut-off trench depth dips DISTRICT dolerite dolerite dykes earth dam enclaves excavated exposed fault feldspar folds foliation Formation foundation fractured fresh rock g/t gold Gangavalli garnetiferous GEOLOGICAL MAP GEOTECHNICAL gneiss Gondwana granite granitoids granodiorite granulite grey granite grouting holes hornblende indicated intrusive joints KARNATAKA KERALA kimberlite km long laterite left flank limestone located massive METRES migmatite mineralised zone nala NE-SW NNE-SSW NW-SE occur pegmatite pegmatoidal phyllites pink granite power house proposed pyrite pyroxenite quartz quartz veins quartzite reservoir river rock types samples sandstone scale SCHEME schist schist belt sediments shaft shale soil spillway sq km STRIKE AND DIP strike length studies sulphide surface syenite TAMIL NADU traversed trending tunnel upto varies vertical width