Q. E. D., or New Light on the Doctrine of Creation by George McCready Price
page 92 of 117 (78%)
page 92 of 117 (78%)
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"The best places for examining this fault are at the gaps of the Bow and
of the south fork of Ghost River.... The fault plane here is nearly horizontal, and the two formations, viewed from the valley, _appear to succeed one another conformably."[48] [Footnote 48: Annual Report, 1886, Part D, pp. 33, 34.] This author adds the further interesting detail that the underlying Cretaceous shales are "very soft," and "have suffered very little by the sliding of the limestone over them."[49] About a hundred miles further south, but still in Alberta, we have the well-known Crow's Nest Mountain, a lone peak, which consists of these same Algonkian limestones resting on a Cretaceous valley "in a nearly horizontal attitude," as G.M. Dawson says, which "in its structure and general appearance much resembles Chief Mountain,"[50] another detached peak some fifty miles further south, just across the boundary line in Montana. Chief Mountain has been well described by Bailey Willis,[51] who estimates that the Cretaceous beds underneath this mountain must be 3,500 feet thick; while the so-called "thrust plane is essentially _parallel to the bedding_" of the upper series.[52] "This apparently is true not only of the segments of thrust surface beneath eastern Flattop, Yellow, and Chief Mountain, but also of the more deeply buried portions which appear to dip with the Algonkian strata into the syncline. While observation is not complete, it may be assumed on a basis of fact that thrust surfaces and bedding are nearly parallel over extensive areas."[53] |
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