seif dune


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seif dune

[′sāf ‚dün]
(geology)
A large, tapering, longitudinal dune or chain of sand dunes with a sharp crest that in profile consists of a succession of peaks and cols.
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References in periodicals archive ?
However, traces of accretionary lobes extending landwards to the south-east are evident along the southern shores of Al Aryam and suggest that the island is a composite of two former islands that probably nucleated on the vestiges of two(?) former seif dunes, eventually being linked by marine deposition in the form of beach bar sands.