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
... biotite and muscovite . Near the contact with the schists , the rocks are more leucocratic and become slightly darker away from the contact with increasing amount of biotite . The light coloured gneisses , occurring near Askot , just ...
... biotite and muscovite . Near the contact with the schists , the rocks are more leucocratic and become slightly darker away from the contact with increasing amount of biotite . The light coloured gneisses , occurring near Askot , just ...
Page 8
... biotite . Study of bore hole cores both by hand lens and in thin sections under the microscope indicate that the veins and dissemination of sulphide have both concordant and cross cutting relationship with the existing S - planes ...
... biotite . Study of bore hole cores both by hand lens and in thin sections under the microscope indicate that the veins and dissemination of sulphide have both concordant and cross cutting relationship with the existing S - planes ...
Page 41
... biotite is also seen . b ) Granitic injections in the contact schistose rocks Similar Granitic material injected in ... biotite and at places biotite being replaced by muscovite and sericite are commonly seen . In a few sections where ...
... biotite is also seen . b ) Granitic injections in the contact schistose rocks Similar Granitic material injected in ... biotite and at places biotite being replaced by muscovite and sericite are commonly seen . In a few sections where ...
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