File:Report of the Brown-Harvard Expedition to Nachvak, Labrador, 1900 (1902) (14749598294).jpg

Identifier: reportofbrownhar00dela (find matches)
Title: Report of the Brown-Harvard Expedition to Nachvak, Labrador, 1900
Year: 1902 (1900s)
Authors: Delabarre, Edmund Burke, b. 1863
Subjects: Scientific expeditions -- Newfoundland and Labrador Labrador Botany -- Newfoundland and Labrador Labrador Birds -- Newfoundland and Labrador Labrador Geology -- Newfoundland and Labrador Labrador Labrador (N.L.) -- Discovery and exploration
Publisher: Providence, R.I. : Preston & Rounds Co.
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN

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f her working, without concealing itsstages and effects under the hindering veil of snow or ofvegetation. Clear and sharp stand out the evidences andnature of glacial action ages ago, and of the alternate sinkingand rising of the land with reference to the level of the sea.Beautifully plain appear the effects of denudation by frostand water, as seen in the shattered summits, the forms of themountain masses, the accumulations of talus, and the greatcurves and complexity of the valleys. Standing on one ofthese heights, one can almost trace out the whole history ofthe diversification of the original simple ridges into the in-tricate system of varied peaks and valleys that now exist. Evidences of the former glaciation of this country areabundant.* Dr. Daly established the fact that the main ice- * Low (Annual Report Geol. Surv. Can., Vol. VIII, 1896, p. 309 L) re-ports, on the authority of his own investigations and those of Dr. Bell,that there was no glaciation at Nachvak above 340 feet.
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Sketch Map of Nachvak Bay.Scale: 6 miles to i inch. Contour interval: 500 feet.Reprinted from R. A. Dalys Geology of the Northeast Coast ofLabrador, by permission of the Museum of Comparative Zoology atHarvard College. E. B. Delabarre, Ph. D. 113 sheet did not reach above the level of 2,100 feet above thesea, though smaller local glaciers existed in all the side val-leys. Below that height he found all the marks of formerglacial activity: ice-worn boulders, roches montonnees, striae,terminal and lateral moraines: while above it these marks areabsent. He found also over twenty hanging valleys, someof them magnificent examples of this feature of the ice work.The movement of the ice-sheet followed the trend of the bayand of the adjacent valleys. He discovered here also, as inprevious places, raised beaches and similar results of the post-glacial submergence of the country underneath the sea. Thehighest beach line is at about 250 feet above the bay.* The bay itself is a typical fiord, in

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