A flat-topped volcanic sheet holds clues to how fast ancient mountains were rising—and suggests the Andes grew slower than once thought. The post A volcanic sheet that buried a whole mountain landscape in northern Chile 21.9 million years ago has a top flat enough to put a ceiling on how fast rock in that part of the Andes was being pushed up before the eruption appeared first on Space Daily .
A volcanic sheet that buried a whole mountain landscape in northern Chile 21.9 million years ago has a top flat enough to put a ceiling on how fast rock in that part of the Andes was being pushed up before the eruption
