Abstract

The contorted bedding found in the Torridonian sandstones (Precambrian) on Skye and Raasay islands off the west coast of Scotland is considered to have been formed in place by the shifting of quicksand in a shallow-water environment. Slumping is rejected as an explanation because the contortions can be traced downward and shown to die out toward the base of the bed and because there are apparently no breaks where the contorted rocks might have slipped.

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