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 21
... amphibolite and pyroxenite . Amphibolites are dark grey and medium - to coarse - grained . Foliated as well as massive types are recorded . At places , small vesicles are recorded . Pyroxenite is usually coarse- grained with mottled ...
... amphibolite and pyroxenite . Amphibolites are dark grey and medium - to coarse - grained . Foliated as well as massive types are recorded . At places , small vesicles are recorded . Pyroxenite is usually coarse- grained with mottled ...
Page 212
... amphibolite , banded iron formation , pegmatite and quartz veins . The amphibolite and banded iron formation occur as enclaves within migmatite . The migmatite shows typical migmatitic structures and is gneissic , at places . Three ...
... amphibolite , banded iron formation , pegmatite and quartz veins . The amphibolite and banded iron formation occur as enclaves within migmatite . The migmatite shows typical migmatitic structures and is gneissic , at places . Three ...
Page 310
... amphibolites and actinolite - chlorite schist ( meta- basalts ) with bands of quartz porphyry ( metaacid volcanics ) . The amphibolites are of three types , viz . , coarse - grained amphibolite , banded amphi- bolite and schistose ...
... amphibolites and actinolite - chlorite schist ( meta- basalts ) with bands of quartz porphyry ( metaacid volcanics ) . The amphibolites are of three types , viz . , coarse - grained amphibolite , banded amphi- bolite and schistose ...
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