sand streak

sand streak

[′san ‚strēk]
(geology)
A low, linear ridge formed at the interface of sand and air or water, oriented parallel to the direction of flow, and having a symmetric cross section.

sand streak

A streak in the surface of formed concrete; caused by bleeding, 4.
References in periodicals archive ?
The photographs of this journey reflect the changing landscape of the desert with its sand streaks, chalk hills, dunes, mountains, gravel plains, rock clefts, gorges and valleys.