New Research About Vredefort Impact
Earth's Oldest and Biggest Crater Yields New Secrets
LiveScience.com by Becky Oskin-Apr 28, 2014
http://www.livescience.com/45172-vredefort-crater-impact-melt-ejecta.html
http://www.mnn.com/earth-matters/wilderness-resources/stories/earths-oldest-crater-yields-new-secrets
A related paper:
Huber, M. S., A. E. Crne I. McDonald, L. Hecht, V. A.
Melezhik, and C. Koeberl, 2014, Impact spherules from
Karelia, Russia: Possible ejecta from the 2.02 Ga
Vredefort impact event. Geology. vol. 42, pp. 375-378,
http://geology.gsapubs.org/content/42/5/375.abstract
Related article-
Crash! 10 Biggest Impact Craters on Earth
LiveScience.com by Becky Oskin, April 28, 2014
http://www.livescience.com/45126-biggest-impact-crater-earth-countdown.html
Vredefort crater - https://en.wikipedia.org/wiki/Vredefort_crater
Yours,
Paul H.
