Chromium isotope evidence in ejecta deposits for the nature of Paleoproterozoic impactorsOPEN ACCESS
Berengere Mougel, Frederic Moynier, Christa Gopel, Christian Koeberl PDF (OPEN ACCESS) abstract “Non-mass dependent chromium isotopic signatures have been successfully used to determine the presence and identification of extra-terrestrial materials in terrestrial impact rocks. Paleoproterozoic…
Spherule layers, crater scaling laws, and the population of ancient terrestrial impactors
Brandon C. Johnson, Gareth S. Collins, David A. Minton, Timothy J. Bowling, Bruce M. Simonson, Maria T. Zuber Icarus In Press, Accepted Manuscript, Available online 19 February 2016 LINK “Ancient layers of impact spherules provide…