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.
Calibrated images show the soil surface of a field, including irrigation patterns, sand streaks, clay lenses, and organic matter and crop residue variations.