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The Late-Quaternary deposits of the middle Dyfi Valley, Wales

โœ Scribed by G. S. P. Thomas; A. J. Summers; R. V. Dackombe


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
807 KB
Volume
17
Category
Article
ISSN
0072-1050

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โœฆ Synopsis


Abstract

The surficial deposits and landforms of the middle Dyfi Valley, Wales, are examined and a sequence of glacial, glacioโ€fluvial and glacioโ€lacustrine sediments is identified. This is considered to relate to a late stage in the wastage of the Lateโ€Devensian Merioneth iceโ€cap. A sequence of terrace gravels overlying the giacigenic succession represents dissection during early Flandrian times.


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Rate of Glacial Valley Deepening During
โœ Hebdon, N. J.; Atkinson, T. C.; Lawson, T. J.; Young, I. R. ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 271 KB ๐Ÿ‘ 2 views

A dated landscape history of the Allt nan Uamh valley in the Assynt area is constructed, spanning the last 300 ka, using geomorphological analysis, U-series speleothem dating, and existing cave surveys. The mean rate of valley deepening is estimated to lie between 47 and 68 m per glacial/interglacia