Watch A Slab Of The Sierra Nevadas Literally Shed Its Skin
Twain Harte rock in California is in a period of active exfoliation, sloughing sheets of granite in creaking, cracking, rock-flaking, dust-shedding, exhilarating glory. Explosive exfoliation! Image credit: dotysan/Mika McKinnon Geologic processes happen on inconvenient timescales, either so slowly it’s hard to notice, or catastrophically quickly in a manner decidedly hazardous to observers. But sometimes we…