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 167
... Hornblende gneiss is the dominant basic member and occurs as continuous bands within the biotite granite gneiss . Migmatised hornblende gneiss forms the host rock for scheelite mineralisation . Pegmatite veins occasionally carrying ...
... Hornblende gneiss is the dominant basic member and occurs as continuous bands within the biotite granite gneiss . Migmatised hornblende gneiss forms the host rock for scheelite mineralisation . Pegmatite veins occasionally carrying ...
Page 169
... hornblende gneiss and talcose rocks . Thus , the studies so far carried out in Kadampara of Attappadi valley bring out the following points : Most of the scheelite occurrences are mainly confined to the hornblende gneiss , especially ...
... hornblende gneiss and talcose rocks . Thus , the studies so far carried out in Kadampara of Attappadi valley bring out the following points : Most of the scheelite occurrences are mainly confined to the hornblende gneiss , especially ...
Page 151
... hornblende - biotite gneiss ( major country rock ) , quartzo feldspathic gneiss and charnockite , with several thick bands of mafic rocks such as garnetiferous metagabbro , anorthosite , gabbroic anorthosite and ultramafic bands ...
... hornblende - biotite gneiss ( major country rock ) , quartzo feldspathic gneiss and charnockite , with several thick bands of mafic rocks such as garnetiferous metagabbro , anorthosite , gabbroic anorthosite and ultramafic bands ...
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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Common terms and phrases
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