Records of the Geological Survey of India, Volume 85, Issues 1-2 |
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Page 20
That in the south - east corner consists of chlorite - schists , phyllites , argillites , quartzites and banded hematite - quartzites . They strike roughly N.N.W.-S.S.E. and dip with high angles varying from 50 degrees towards east to ...
That in the south - east corner consists of chlorite - schists , phyllites , argillites , quartzites and banded hematite - quartzites . They strike roughly N.N.W.-S.S.E. and dip with high angles varying from 50 degrees towards east to ...
Page 32
cedonic quartzite forms the outer portions of the syncline in sheet 73 K / 4 . The ferruginous gritty and conglomeratic shales which are above the basal quartzites , contain pebbles of the quartzite , their junction with the lower bed ...
cedonic quartzite forms the outer portions of the syncline in sheet 73 K / 4 . The ferruginous gritty and conglomeratic shales which are above the basal quartzites , contain pebbles of the quartzite , their junction with the lower bed ...
Page 102
medium - grained quartzites inter - bedded with gritty quartzites and very subordinate grey siltstones . The core recovery averaged 70 to 80 per cent . Both the quartzites and siltstones were found to be fairly strong and suitable for ...
medium - grained quartzites inter - bedded with gritty quartzites and very subordinate grey siltstones . The core recovery averaged 70 to 80 per cent . Both the quartzites and siltstones were found to be fairly strong and suitable for ...
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appear Assistant associated Attached bands Bihar Bombay carried cent Circle clay coal collected comprising contains continued covered Department deposits depth detailed Development district drilling dykes early east effect examined exposed extensive feet field formations geological mapping Geological Survey Geologist gneisses Government granite grey headquarters hill important inches India industry iron laterite leave lignite limestone localities located Madhya Madras material Metal mica miles mineral mines Mysore Nagpur noted noticed November occur pegmatites pits places Pleistocene portion Pradesh present production Project proposed quantity quarried quartz quartzites records reported reserves Returned river road rocks samples sand sandstones schists seen shales sheet sheet 73 square miles strike suitable Survey of India systematic thick thin tion tons types Upper varying veins village visited