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 8
... veins lying parallel to and emplaced along the earlier schistosity ( S2 ) have been refolded along with the coaxial refolding ( F - 2 ) of the schistosity . ( Plate 3 , Fig F ) . At places recrystallised veins of chalcopyrite and galena ...
... veins lying parallel to and emplaced along the earlier schistosity ( S2 ) have been refolded along with the coaxial refolding ( F - 2 ) of the schistosity . ( Plate 3 , Fig F ) . At places recrystallised veins of chalcopyrite and galena ...
Page 17
... veins up to 2 mm thick along the bedding or the layering and the joint planes . The other common variety has ... veins of calcareous matter , e.g. , limestone and calcite . Amygdaloidal , fine grained , greenish grey , with veins of ...
... veins up to 2 mm thick along the bedding or the layering and the joint planes . The other common variety has ... veins of calcareous matter , e.g. , limestone and calcite . Amygdaloidal , fine grained , greenish grey , with veins of ...
Page 42
... veins generally vary in thickness from a few centimetres to a few metres , while the pegmatite veins are extremely thin varying from a few millimetres to a few centimetres . d ) Sericitisation of schistose rocks Generally , all the ...
... veins generally vary in thickness from a few centimetres to a few metres , while the pegmatite veins are extremely thin varying from a few millimetres to a few centimetres . d ) Sericitisation of schistose rocks Generally , all the ...
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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Common terms and phrases
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