[meteorite-list] Asteroid impacts significantly altered ancient Earth

[Paul H.]

Arizona State University, Science Daily, July 31, 2014. http://www.sciencedaily.com/releases/2014/07/140731150045.htm

Marchi, S., W. F. Bottke, L. T. Elkins-Tanton, M. 
Bierhaus, K. Wuennemann, A. Morbidelli, D. A. 
Kring, 2014, Widespread mixing and burial of 
Earth’s Hadean crust by asteroid impacts. 
Nature. vol. 511, no.7511, pp. 578-582.
http://www.nature.com/nature/journal/v511/n7511/full/nature13539.html

Yours,

Paul H.