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 158
... charnockite . Biotite gneiss is exposed in the cast , near the Cauvery river . There are also minor lenticular bodies of pyroxenite , pyroxene granulite and magnetite quartz- ite occurring within the charnockite and biotite gnesis . A ...
... charnockite . Biotite gneiss is exposed in the cast , near the Cauvery river . There are also minor lenticular bodies of pyroxenite , pyroxene granulite and magnetite quartz- ite occurring within the charnockite and biotite gnesis . A ...
Page 160
... charnockite is con- verted to biotite rich migmatised charnockite and in turn to grey gneiss by pink migmatisation episode . The pink granite of Sivagiri area shows no orthoclase and appears to be plagigranite in composition . The ...
... charnockite is con- verted to biotite rich migmatised charnockite and in turn to grey gneiss by pink migmatisation episode . The pink granite of Sivagiri area shows no orthoclase and appears to be plagigranite in composition . The ...
Page 162
... charnockite , hornblende gneiss , garnet pyroxene gneiss / gabbro , with slivers of pyroxenite , anorthosite and bands of magnetite quartzite quartz- ite and occasional lenses of garnetiferous quartzofeld spathic gneiss . The southern ...
... charnockite , hornblende gneiss , garnet pyroxene gneiss / gabbro , with slivers of pyroxenite , anorthosite and bands of magnetite quartzite quartz- ite and occasional lenses of garnetiferous quartzofeld spathic gneiss . The southern ...
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