I've seen somethign similar in the Gargamel seeds I play on, and the server uses. Large areas of bare stone, and blocks of iron on cliff faces right at the waterline of various ocean areas.
"The way I see it, every life is a pile of good things and bad things. The good things don't always soften the bad things. But vice versa, the bad things don't necessarily spoil the good things or make them unimportant."