2 ms·I can imagine it would quickly be filled in by sand. The Sahara is a slow moving ocean of sand particles.by jp555 10y agoI can imagine it would quickly be filled in by sand. The Sahara is a slow moving ocean of sand particles.has2k1 10y agoThe sand only moves if it is light. When the weather and climate changes, the make up of the sand changes and so does the way it moves. It is a complicated process and it would definitely have some surprises.brazzy 10y agoActually, most of the Sahara is rocky, not sandy.