Greenland 2 1916 Am. Mus. Nat. Hist. Geol.ic. Photographs
Page 40
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Transcription
Above Provision Point and from 100' to 150' above the sea there is a consider- able area of gneiss which shows the characteristic rounding, smoothing, and grooving which are due to gla- cial action. Motion was from north- east- parallel or nearly so to axis of glacial Surface is now covered with lichen but the striation is perfectly visible. north 21 Sept. Went along shore of fjord for about a mile east of headquarters. The great pile of gravel and boulders near the foot of which the house stands looks like an accumulation of torrent débris and presents three elevated strand lines or beaches above the sea. Surface is mostly rounded and smoothed bowlders some of which are 3 feet in diameter. Pink feldspathic gneiss predominates but there are many boulders of black hornblende gneiss mingled with them. This detrital fan is about a half mile broad at sea level. Mac thinks it is a glacial moraine or accretion of the bowlders on top, but I think that the finer material has been washed out leaving the bowlders. I have not yet obser-