So Beacon Rock was a cinder cone volcano. That doesn't look like a cinder cone to me, does it to you? These are big, beautiful sheer walls of black basalt rock columns. And yet when this cider ...
Cinder cones are the smallest and simplest type of volcano. But that doesn't mean they can't pack a punch. Best described as steep, conical hills, cinder cones are formed by pyroclastic rock fragments ...