Records of the Geological Survey of India, Volume 107Geological Survey of India, 1976 - 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 165
... Block The Eastern Block of the Karnataka Craton is the granite - greenstone region covering the schist belts of eastern Karnataka and western Andhra Pradesh . Like the Western Block , it is also bounded to the north by the younger ...
... Block The Eastern Block of the Karnataka Craton is the granite - greenstone region covering the schist belts of eastern Karnataka and western Andhra Pradesh . Like the Western Block , it is also bounded to the north by the younger ...
Page 167
... Block are meagre . The highest ages known from this block are for the lavas of the greenstone belts . Lead isochron of 2900 ± 200 m . y . for the amphibolites of Kolar ( Vinogradov et al , 1964 ) and K - Ar mineral date of hornblende ...
... Block are meagre . The highest ages known from this block are for the lavas of the greenstone belts . Lead isochron of 2900 ± 200 m . y . for the amphibolites of Kolar ( Vinogradov et al , 1964 ) and K - Ar mineral date of hornblende ...
Page 169
... Block , which was followed by the evolution of greenstone belts . Greenstone belts of different character occur in the two geotectonic blocks of the craton . The Eastern Block contains the primitive type of volcanic dominated greenstone ...
... Block , which was followed by the evolution of greenstone belts . Greenstone belts of different character occur in the two geotectonic blocks of the craton . The Eastern Block contains the primitive type of volcanic dominated greenstone ...
Contents
RECORDS | 2 |
A note on the polymetallic sulphide mineralisation in Askot area | 8 |
On studies of the Agglomeratic Slate and Panjal Trap in the Jhelum | 12 |
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acidic agglomeratic slates amphibolite Archaean assemblage Bababudan Group bands Barakar basalts beds Bihar biotite Boulder Conglomerate calcareous Chitradurga chlorite clays correlation craton Cuddapah deposits Dharwar district east epidote facies felspar flora of India folds formation fossil galena Garo Hills Geoclemys Geol Geological Survey Glossopteris Glossopteris flora gneiss gneissic complex Gondwana grained greenish grey greenstone belts greyish high grade schists Ibid indicated isotopic Jour Karharbari Kashmir Kurnool laterite limestone Lower Gondwana Lower Karewas metamorphism metres mineralisation minerals Mysore non-porphyritic occur outcrops overlying Palaeobotanist Panchet Panjal trap phenocrysts Pinjor Plate Pleistocene Pliocene porphyritic Precambrian pyroxene quartz quartzite Raniganj rock types Sargur schist schist belts schistose schistose rocks sediments sequence shale Siwalik stratigraphic Supergroup Surv Survey of India Sylhet Sylhet Limestone Sylhet Sandstone Talchir Tatrot tectonic Tertiary thick unconformity Upper upto valley veins Vindhyan volcanic Western Block zeolite zone