Records of the Geological Survey of India, Volume 90Geological Survey of India, 1962 - Earthquakes |
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Page 141
... depth . A circular shaft of 16 - foot internal dia- meter is being sunk some 3,500 feet out on the hanging wall to intersect the lode at No. 18 level and to continue on to No. 20 level , a vertical depth of 2,250 feet . This will ...
... depth . A circular shaft of 16 - foot internal dia- meter is being sunk some 3,500 feet out on the hanging wall to intersect the lode at No. 18 level and to continue on to No. 20 level , a vertical depth of 2,250 feet . This will ...
Page 193
... depth of 9,000 feet , not only causes a reduction in volume . but also a rise of temperature of 1 ° F . for every 190 feet in depth . The greatest depth reached on 31st December , 1951 , was 9,750 feet below ground level or 6,783 feet ...
... depth of 9,000 feet , not only causes a reduction in volume . but also a rise of temperature of 1 ° F . for every 190 feet in depth . The greatest depth reached on 31st December , 1951 , was 9,750 feet below ground level or 6,783 feet ...
Page 337
... depth wells ( the deepest being 5,426 ft . deep ) were drilled during 1947-1949 , bringing the total number of wells drilled in the area to 17. But as the production obtained was not sufficient to meet even the cost of production , the ...
... depth wells ( the deepest being 5,426 ft . deep ) were drilled during 1947-1949 , bringing the total number of wells drilled in the area to 17. But as the production obtained was not sufficient to meet even the cost of production , the ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
DETAILED ACCOUNT OF THE MINERALS | 37 |
Clays | 91 |
Copyright | |
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