Records of the Geological Survey of India, Volume 103The Survey, 1972 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 79
... gneisses etc. Biotite - granite Prophyritic granite Weathered sub - arkosic Quartzo - felspathic gneiss .. Kaolinized gneiss - Tectonic contact ( ? ) Grey gritty gneiss with slaty epidioritic sill Banded kaolinized pegmatite veins in gritty ...
... gneisses etc. Biotite - granite Prophyritic granite Weathered sub - arkosic Quartzo - felspathic gneiss .. Kaolinized gneiss - Tectonic contact ( ? ) Grey gritty gneiss with slaty epidioritic sill Banded kaolinized pegmatite veins in gritty ...
Page 268
... gneisses . Conglomerate , arkose , grit , sandstone ( Lower Kaladgi ) rest unconformably on the gneisses and granites . V. Balasubramanian mapped an area of 870 sq . km . on 1 : 126,720 scale between Lat . 15 ° 30 ′ and 15 ° 48 ' and ...
... gneisses . Conglomerate , arkose , grit , sandstone ( Lower Kaladgi ) rest unconformably on the gneisses and granites . V. Balasubramanian mapped an area of 870 sq . km . on 1 : 126,720 scale between Lat . 15 ° 30 ′ and 15 ° 48 ' and ...
Page 306
... gneisses were met with in the area . The contact between the charnockite and the gneiss is gradational . presence of flat - dipping joints extending from heel to the toe of the dam , two drainage galleries in both the abutments were ...
... gneisses were met with in the area . The contact between the charnockite and the gneiss is gradational . presence of flat - dipping joints extending from heel to the toe of the dam , two drainage galleries in both the abutments were ...
Contents
INTRODUCTION Page | 1 |
CENTRAL LOGGING UNIT | 7 |
PLANNING AND TRAINING DIVISION | 14 |
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alignment alluvium amphibolite Andhra Pradesh Asstt bands Banerjee basalt beds Bihar block boreholes Calcutta carried chalcopyrite charnockite clay coal coalfield copper core Delhi deposits depth dips Director district Division dolerite dolomite drill holes dykes Engineering examined exploration Exploratory drilling fault Formation fossils geochemical geohydrological geological mapping Geologist Jr Geophysicist Geophysics Ghosh gneisses Gondwana granite granite-gneiss groundwater Himachal Pradesh indicated investigation Jammu Kashmir Laboratory laterite limestone logging Lucknow Madhya Pradesh magnetite Maharashtra mapped an area metal million tonnes mineralisation minerals Mining Mukherjee occurs pegmatite phosphorite phyllite pits power house Project pyrite quartz veins quartzite Rajasthan recommended Region river rock types samples collected sand sandstones Sarvashri scale schist seams sediments September 1969 shales Sharma shear Shri Singh spillway Srivastava strike length studies Survey of India taluk Tamil Nadu thickness topo-sheets trenching trending tubewells tunnel Udaipur district upto varies Vindhyan zone