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 341
... flow crops out between the 80 ft . and 160 ft . contours ; the base of the flow is not visible anywhere . In the quarry , a forty - foot section of the flow has been worked and along the southern face a good section of the fresh rock is ...
... flow crops out between the 80 ft . and 160 ft . contours ; the base of the flow is not visible anywhere . In the quarry , a forty - foot section of the flow has been worked and along the southern face a good section of the fresh rock is ...
Page 343
... flow , the joints are irregular and fewer in number . are seen . Along the basal parts of the flow , a few minute vesicles and amygdules are met with ; their number and size increase further up in the flow . Eight to ten feet from the ...
... flow , the joints are irregular and fewer in number . are seen . Along the basal parts of the flow , a few minute vesicles and amygdules are met with ; their number and size increase further up in the flow . Eight to ten feet from the ...
Page 351
... flow , say , massive trap , over another , e.g. , vesicular trap , definitely indicates the presence of a S plane . ( ii ) Contact between soft and highly vesicular top of one flow with the har d and less vesicular base of another flow ...
... flow , say , massive trap , over another , e.g. , vesicular trap , definitely indicates the presence of a S plane . ( ii ) Contact between soft and highly vesicular top of one flow with the har d and less vesicular base of another flow ...
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