Geology√

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Geology√

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Geology√

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Geology√

1974 Archival description results for Geology√

1974 results directly related Exclude narrower terms

Stages in the life history of a stream

Stages in the life history of a stream. A. In the initial stage a stream has lakes, waterfalls and rapids. B. By middle youth the lakes are gone, but falls and rapids persist along the narrow incised gorge. C. Early maturity brings a smoothly graded profile without rapids or falls, but with the beginning of a floodplain. D. Approaching full maturity, the stream has a flood plain alomost wide enough to accommodate its meanders. E. Full maturitymis marked by a broad flood plain and freely developed meanders: levee, oxbow lake, yazoo stream, alluvium, bluffs, flood plain. Strahler, 1960. p. 350.

Stages in development of longitudinal or seif dune from barchan

Barchans. Stages in development of longitudinal or seif dune from barchan. (a) Barchan dune with uniform wind direction; (b) modification due to swing in wind directions; (c) second barchan tied to its parent; (d) continuation of process to produce second and third barchan linked in long chain or seif. Dapples, 1959, p. 365.

Spheroidal Weathering - Colorado

Reproduction taken from book of example of spheroidal weathering of granite (well jointed) in Colorado. Caption reads "'Balanced Rock', Rocky Mountain Upland Near Palmer Lake, Pikes Peak Region, Colo. One of the numerous residual granite boulders which occur on the upland, rounded by exfoliation."

Bio/historical note: Frederic Harrison Edmunds was born in Hawarden, North Wales in 1898. He received his B.Sc. (1922) and MSc. (1923) from the University of Liverpool. In 1925 he came to Canada and joined the Department of Soils at the University of Saskatchewan. Professor Edmunds was named chairman of the Department of Geological Sciences in 1961, a position he held until his death in February, 1965.

Results 301 to 315 of 1974