Evidence for deposition of 10 million tonnes of impact spherules across four continents 12,800 y ago
有证据表明,12,800 年前四大洲有 1000 万吨撞击球体沉积
期刊:Proceedings of the National Academy of Sciences of the United States of America
影响因子:
doi:10.1073/pnas.1301760110
James H Wittke, James C Weaver, Ted E Bunch, James P Kennett, Douglas J Kennett, Andrew M T Moore, Gordon C Hillman, Kenneth B Tankersley, Albert C Goodyear, Christopher R Moore, I Randolph Daniel Jr, Jack H Ray, Neal H Lopinot, David Ferraro, Isabel Israde-Alcántara, James L Bischoff, Paul S DeCarl