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 3
... quartz grains exhibit dimensional preferred orientation parallel to the foliation showing no undulose extinction suggesting a late tectonic to post tectonic recrystallisation of quartz . The alternation of quartz rich micaceous layers ...
... quartz grains exhibit dimensional preferred orientation parallel to the foliation showing no undulose extinction suggesting a late tectonic to post tectonic recrystallisation of quartz . The alternation of quartz rich micaceous layers ...
Page 42
... quartz veins generally vary in thickness from a few centimetres to a few metres , while the pegmatite veins are ... quartz is so intense that the rocks have been converted into quartz - sericite schist as for example , the quartz ...
... quartz veins generally vary in thickness from a few centimetres to a few metres , while the pegmatite veins are ... quartz is so intense that the rocks have been converted into quartz - sericite schist as for example , the quartz ...
Page 43
... quartz - chlorite schist , graywacke , quartz - sericite schist , quartzite , banded magnetite - quartzite and talc - chlorite schist . The meta - basalt caught - up patches are present on the eastern slope of Rowlem hill 142.79 m ...
... quartz - chlorite schist , graywacke , quartz - sericite schist , quartzite , banded magnetite - quartzite and talc - chlorite schist . The meta - basalt caught - up patches are present on the eastern slope of Rowlem hill 142.79 m ...
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