These may subsequently be covered with drifting sands and capillary action may cause the borates to work up through the sands, becoming mixed with them and Efflorescing at the surface.
"The Economic Aspect of Geology"
C. K. Leith
With the improved farming now going on, the natural soil, which was once ready enough in its production of rice, is rapidly changing its character, constant tillage, the flooding and washing which carry out the Efflorescing salts, and the constant addition of vegetable manures, aided by one or two crops of clover, being the agents which are working this alteration.
"The Khedive's Country"
George Manville Fenn
Before leaving the valley, he observed a hillock glistening white: it appears from its salt, bitter taste, to have been some kind of nitrate Efflorescing from the ground.
"First Footsteps in East Africa or, an Exploration of Harar"
Richard F. Burton