Records of the Geological Survey of India, Volume 91The Survey, 1962 - 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 5
... granite was found to be the predomi- nant rock type and the same is true of the area now under report . The large variation in grain - size , texture and mineral composition of the granites became more evident by the studies made during ...
... granite was found to be the predomi- nant rock type and the same is true of the area now under report . The large variation in grain - size , texture and mineral composition of the granites became more evident by the studies made during ...
Page 12
... Granite , granite - gneiss and porphyritic granite with pegma- tites , aplite , quartz veins and quartz - tourmaline veins . 2. Gabbro . 1. Hornblende - schists and amphibolite ; calc - silicate rocks ; cum- mingtonite - grunerite rocks ...
... Granite , granite - gneiss and porphyritic granite with pegma- tites , aplite , quartz veins and quartz - tourmaline veins . 2. Gabbro . 1. Hornblende - schists and amphibolite ; calc - silicate rocks ; cum- mingtonite - grunerite rocks ...
Page 287
... granite , gneiss , hornblende - schist , quartzite etc. • The basement rock on which the later sediments were deposited is now included in the Archaean formation mainly represented by a granite - gneiss . Inclusions are common and ...
... granite , gneiss , hornblende - schist , quartzite etc. • The basement rock on which the later sediments were deposited is now included in the Archaean formation mainly represented by a granite - gneiss . Inclusions are common and ...
Contents
Part | 1 |
MINERAL INVESTIGATIONS | 38 |
ENGINEERING GEOLOGY AND GROUNDWATER SECTION | 99 |
Copyright | |
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43rd Indian Sci abstr Andhra B.Sc Bagh beds bands Baripada Bhaluk Khad Bihar biotite Bombay borehole Bose Cambrian cent charnockite Circle clay coal coalfield Congr Coralline limestone Cretaceous Deccan Trap Delhi deposits depth district Dolerite drilling Dutt Dutta East Economic Geology Section examined feet felspar formations fossils Geol geological mapping Geological Survey Geophysical gneiss gold Gondwana grains granite gravel Groundwater Headquarters Calcutta Himalayan hornblende Hyderabad ilmenite India industry investigated iron-ore laterite lignite lode Lower M.Sc Madhya Pradesh Madras magnetite miles minerals mining Murthy Mysore nala occur Orissa palaeolithic phyllites pitchstone Proc Punjab quartz quartzites Rajasthan Raniganj region reported river rocks Sahni samples sand sandstone Sarvashri Sastry schists sediments shales Shri soil spore Srivastava Surv Survey of India taluk thickness thin topo-sheets trap Upper Valley veins village Vindhyan West Bengal zone