Records of the Geological Survey of India, Volume 109Geological Survey of India, 1974 - 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 170
... schistosity , but they are always gradational , with transition zones of feldspathic schists . Quartz , feldspar and pegmatite veins are usually abundant in the granite gneiss and feldspathic schist country . The post - metamorphic ...
... schistosity , but they are always gradational , with transition zones of feldspathic schists . Quartz , feldspar and pegmatite veins are usually abundant in the granite gneiss and feldspathic schist country . The post - metamorphic ...
Page 181
... Schistose : This is the most common texture ( and structure ) and the rocks exhibiting schistosity ( S2 ) usually occur associated with the calc - magnesian rocks . The schistosity is mainly defined by amphibole grains and ...
... Schistose : This is the most common texture ( and structure ) and the rocks exhibiting schistosity ( S2 ) usually occur associated with the calc - magnesian rocks . The schistosity is mainly defined by amphibole grains and ...
Page 183
... schistose rocks , there is a section of tremolite grains which occur criss - cross , disregarding the schistosity . In the non - schistose rocks , all the tremolite grains are oriented at random . It is , thus , clear that the tremolite ...
... schistose rocks , there is a section of tremolite grains which occur criss - cross , disregarding the schistosity . In the non - schistose rocks , all the tremolite grains are oriented at random . It is , thus , clear that the tremolite ...
Contents
An approach to Quaternary research with examples from Hungary | 5 |
Outline of methods of detailed exploration of bedded limestone | 14 |
Algal stromatolites in the Bhander Group of Formations | 38 |
Copyright | |
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algal amphibolite Andhra Pradesh assemblage axial plane B₁ bands Baraganda basin beds Bihar bindrabunensis borehole Bose calc-magnesian rocks Callialasporites carbonatite chlorite clays Collenia column contour core Cretaceous deformation deposit depth developed diamonds diopside district dolomite drilling Eocene facies flora folds fossils genus Geol Geological Survey Geologist Gondwana grade grains granite grey Guruvayur horizon indicate interbedded Intertrappean Jurassic Kemari kimberlites known laminae Lattavaram limestone Limestone member lineation lithologic Lower Madhya Pradesh Magardha Mahayuga mapping mesoscopic metamorphism mica mineralisation minerals Nagod observed occur Palaeobotanist pelitic Plate plunge pollen present pyrites quarry quartz quartz-mica-schist quartzite Quaternary Rajmahal hills rajmahalensis river sahnii samples sandstone Sanskrit schist schistosity sediments sequence shale shear Siddhanta siliceous slate species spores stratigraphic stromatolites structures Subarea Survey of India Suryasiddhanta talc Tamil Nadu Tanur thickness tremolite ultramafic Upper Gondwana Varahamihira vertical Wajrakarur water level zones