On Certain Slump Structures in the Torridonian Sandstones of Applecross
- 1 June 1963
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 100 (3) , 205-218
- https://doi.org/10.1017/s0016756800055151
Abstract
Two types of slumps are described; small sag and drop-shaped structures in the fine sandstones which develop out of iron-ore rich laminae, and the much larger slump folds in the coarse sandstones which have wavelengths of 25 to 200 cm. and are characterized by open “synclines” linked by pointed “anticlines”. Complex structures are common. It is suggested that liquifaction of the lower parts of the slumped beds has resulted in collapse of the upper parts. Kuenen's pseudo-nodule experiments reproduce many of the observed structures.Keywords
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