 | Geological Survey of Canada, W. W. Leach - 1907 - 40 páginas
...one-half, at its greatest diameters, is in the form of a basin, the coal outcropping on both sides, at from 400 to 500 feet above the floor of the valley....depth. Up Goldstream this area is separated from that of Coal creek, probably by an anticline, the coal measures having been removed from its axis by denudation.... | |
 | 1915 - 434 páginas
...and separated from the above area by a short distance only, a new coal area was discovered in 1907. This area, about two by two miles and one-half, at...that on Coal creek — probably by an anticline, the coal-measures having been removed from its axis by denudation. At the lower end the limits of the coal-bearing... | |
 | 1915 - 700 páginas
...and separated from the above area by a short distance only, a new coal area was discovered in 1907. This area, about two by two miles and one-half, at...that on Coal creek — probably by an anticline, the coal-measures having been removed from its axis by denudation. At the lower end the limits of the coal-bearing... | |
 | British Columbia. Department of Mines - 1918 - 1102 páginas
...a half at its greatest diameters, is in the form of a basin, the coal outcropping on both sides, at from 400 to 500 feet above the floor of the valley....sides, with a slope rather greater than that of the nllls, so that It underlies the bed of the stream, although at no great depth. " • Up Goldstream... | |
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This area, about two by two miles and one-half, at its greatest diameters, is in the form of a basin, the coal outcropping on both sides of, and from 400 to 500 feet above the floor of the valley. The coal dips towards the creek from both sides with a... 