Originally Posted by
BillyD
Oh stop. Technically this isn't gravel, it's hard-packed dirt that dried out and allowed the topmost to get blown away, leaving a smattering of small stones on the surface.
That's the whole point of gravel - the varying size and shape of the aggregate is to allow it to compress and lock together firmly so that it's stable. Your pic is more decorative landscaping stone than anything and wouldn't provide much of a foundation without adding a mix of smaller stones and stone dust.