These remains, known as shell middens, commonly occur on the surface of sand dunes and vary in size from a few square meters to over a square kilometer. The middens range from a scattered veneer of ...

Many of the shell middens became road fill, which was a particularly big loss: Shells are alkaline, so they often preserve the items buried underneath them. But research continues, and the middens ...

I have to admit I was impressed and intrigued. Shell mounds, sometimes called middens, often consist of more than a bunch of clams. At Kasori, there are lots of bladder moon snails (tsumetagai ...