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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... dykes . The rocks with two pyroxene facies assemblages , on chemical analyses showed komatiitic affinity ... dykes , to evaluate petrological and petrochemi- cal variations , to recognise palaeomagnetic features in order to understand ...
... dykes . The rocks with two pyroxene facies assemblages , on chemical analyses showed komatiitic affinity ... dykes , to evaluate petrological and petrochemi- cal variations , to recognise palaeomagnetic features in order to understand ...
Page 26
... dykes of the same direction do not belong to the same generation . The prominent NE - SW trending gabbroic dyke is a multiple dyke . Quartz reefs are mostly confined to either N - S or E - W directions , the former being more abundent ...
... dykes of the same direction do not belong to the same generation . The prominent NE - SW trending gabbroic dyke is a multiple dyke . Quartz reefs are mostly confined to either N - S or E - W directions , the former being more abundent ...
Page 309
... dyke swarms occur in the crystal- line Archaean rocks around Cuddapah Basin . Tho- mas H.Holland compared the petrological charac- ters of these dykes with the sills of Cuddapah Supergroup and opined that they are related to each other ...
... dyke swarms occur in the crystal- line Archaean rocks around Cuddapah Basin . Tho- mas H.Holland compared the petrological charac- ters of these dykes with the sills of Cuddapah Supergroup and opined that they are related to each other ...
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