|Impact. Source: wincustomize.com (via pasthorizonspr.com)|
Who could have predicted? News from PastHorizonspr.com has it that there are oodles of microspherules in the Y-D boundary sediments throughout NA–it’s just that previous workers were missing them. Marco Lambroek? Over to you? As I’ve said before, I find impacts very seductive, especially when they might help to explain mysterious disappearances of fauna–such as the Permian and K-T mass extinctions. A series of articles back in the early days of The Subversive Archaeologist heralded this story–beginning here. This one, the Younger Dryas in North America, isn’t going away. Hat tip to Mark Collard for bringing this to our attentions.