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
... alteration associated with the sulphide mineralisation . Some of the 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 ...
... alteration associated with the sulphide mineralisation . Some of the 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 ...
Page 9
... alteration with the formation of epidote , zoisite , clinozoisite and chlorite mark this stage of alteration . Most of the earlier greenish brown biotite and garnet were altered . 3. This was accompanied or closely followed by potassic ...
... alteration with the formation of epidote , zoisite , clinozoisite and chlorite mark this stage of alteration . Most of the earlier greenish brown biotite and garnet were altered . 3. This was accompanied or closely followed by potassic ...
Page 28
... alteration products of the pre - existing minerals . Trachyte These are greenish , very fine grained rocks , consisting of laths of plagio- clase felspar of albite - oligoclase range , interstitial augite and granules , specks and ...
... alteration products of the pre - existing minerals . Trachyte These are greenish , very fine grained rocks , consisting of laths of plagio- clase felspar of albite - oligoclase range , interstitial augite and granules , specks and ...
Contents
On studies of the Agglomeratic Slate and Panjal Trap in the Jhelum | 12 |
Chandranath granite Goa by A R Gokul and M D Srinivasan | 38 |
Geometry and age relation of minor folds in the Daling metamorphites | 46 |
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Common terms and phrases
acid agglomeratic slates Archaean assemblage Bababudan Group bands Barakar basalts bedrock beds Bihar biotite Boulder Conglomerate calcareous Chitradurga chlorite clays coal correlation craton Cuddapah deposits Dhok Pathan 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 Karharbari Kashmir Khasi Kurnool laterite limestone Lower Gondwana Lower Karewas metamorphism metres mineralisation minerals non-porphyritic occur overlying Palaeobotanist Panchet Panjal trap phenocrysts phyllite Pinjor Plate Pleistocene Pliocene porphyritic pyroxene quartz quartzite Raniganj Raniganj Coalfield Sandstone schist schist belts schistose schistose rocks sediments sequence shales Siwalik stratigraphic Supergroup Surv Survey of India Sylhet Sylhet Limestone Sylhet Sandstone Talchir Tatrot tectonic Tertiary thick unconformity Upper upto valley Vindhyan volcanic Western Block zeolite zone