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 classic literature ?
The Victoria thus passed over the country of the Tibbous, crossed the Belad el Djerid, a desert of briers that forms the border of the Soudan, and advanced into the desert of sand streaked with the long tracks of the many caravans that pass and repass there.
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.