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 7
... galena and sphalerite are next in abundance as noted in the topmost zone of the first two bore holes drilled in the area . Other minerals identified are arsenopyrite and marcasite with occasional bornite and chalcocite . However ...
... galena and sphalerite are next in abundance as noted in the topmost zone of the first two bore holes drilled in the area . Other minerals identified are arsenopyrite and marcasite with occasional bornite and chalcocite . However ...
Page 143
... Galena from Amjhor , Bihar The analytical results of three samples of galena kindly provided by Dr. P. K. Banerji , Director , GSI , are recorded in Table 3 and plotted in Plate 33 , Fig A. The mean isotopic composition indicates an age ...
... Galena from Amjhor , Bihar The analytical results of three samples of galena kindly provided by Dr. P. K. Banerji , Director , GSI , are recorded in Table 3 and plotted in Plate 33 , Fig A. The mean isotopic composition indicates an age ...
Page 145
... galena in them , and since remobilisation being postulated for the samples by Poddar ( per . comm . ) it is tentatively suggested that the 1620 m . y . is indicative of a metamorphic event with which the galena crystallisation is ...
... galena in them , and since remobilisation being postulated for the samples by Poddar ( per . comm . ) it is tentatively suggested that the 1620 m . y . is indicative of a metamorphic event with which the galena crystallisation is ...
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 |
10 other sections not shown
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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