Records of the Geological Survey of India, Volume 86, Parts 2-4Geological Survey of India, 1955 - Earthquakes |
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Page 394
... depth . Although some pegmatites are lenticular or thin out along strike and in depth , it is probable that adjacent pegmatites , which may not have reached the present land surface , would persist to a greater depth . If the pegmatites ...
... depth . Although some pegmatites are lenticular or thin out along strike and in depth , it is probable that adjacent pegmatites , which may not have reached the present land surface , would persist to a greater depth . If the pegmatites ...
Page 507
... depth of 29 feet . Later a shaft sunk close by revealed a 17 - foot thick seam at a depth of 36 feet . This shaft is at present filled with water . The BNR bore hole west of Kudopali ( 21 ° 47 ′ : 83 ° 46 ′ ) revealed a 8 feet thick ...
... depth of 29 feet . Later a shaft sunk close by revealed a 17 - foot thick seam at a depth of 36 feet . This shaft is at present filled with water . The BNR bore hole west of Kudopali ( 21 ° 47 ′ : 83 ° 46 ′ ) revealed a 8 feet thick ...
Page 515
... depth. 7 GSI / 56 Name of areas Depth in Average feet Width of dip coal land D 0 D Cot 0 W Length of outcrop in feet L Thickness in feet Cubic feet in W. L.T. T Inferior coal up to depth of 500 feet . 453,024,000 Inferior coal up to ...
... depth. 7 GSI / 56 Name of areas Depth in Average feet Width of dip coal land D 0 D Cot 0 W Length of outcrop in feet L Thickness in feet Cubic feet in W. L.T. T Inferior coal up to depth of 500 feet . 453,024,000 Inferior coal up to ...
Contents
OF | 310 |
MINERALS PRODUCED IN THE INDIAN UNION | 316 |
INTRODUCTION | 433 |
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actinolite Adirondack Ajmer-Merwara alumina Amjor anorthosite anorthositic rocks artesian Australia Barakars Basin beds Bihar Bijaigarh shale Bijawar biotite-schists BORE HOLE boulders calcite cent chemical chloritoid chromite coal streaks coalfield composition Conglomerate crystals Dalipnagar deposits depth district dolomite emerald exported faulting feet felspar fire clay flow formation Geol Geological Survey glaciation gneisses Gondwana gypsum ice cap ilmenite India iron Kaliguman kyanite lavas limestone Madhya Pradesh Madras magma magnetic mineral magnetite marl meteorite mica miles mines Mysore nala occurs outcrop output paleomagnetic pegmatites peridotite Permian plagioclase present production pyrite quantity quartz quartzites Rajasthan Rampur Rampur seam remanent magnetism reverse remanent magnetism samples sandstone schists sediments Series shale Shale with coal Shaly Shaly coal Shaly sandstone Singhbhum Sittampundi Complex Survey of India TABLE temperature thickness tillite tion titaniferous magnetite tons valued Triassic unconformity Upper Kaimur sandstone veins Vindhyan