The layer developed on the top of a bouldery gravel. This gravel is overlain by loess, which is capped by a megaflood diamict deposited during the last glaciation around 18,000 years ago. The erosive ...

A new study provides compelling new evidence that a colossal 'megaflood' refilled the Mediterranean Sea, ending a period during which the Med was a vast expanse of salt flats. The study suggests ...

When Glacial Lake Missoula's ice dam shattered, a northern arm of the lake drained in a matter of hours through a narrow gap in Montana's Blackfoot River valley. One can only imagine the ...