X‐ray computed tomography of extraterrestrial rocks eradicates their natural radiation record and the information it contains
Derek W. G. Sears, Alexander Sehlke, Jon M. Friedrich, Mark L. Rivers, Denton S. Ebel Meteoritics & Planetary Science First published: 13 August 2018 LINK “The radiation record of extraterrestrial rocks provides important insights into…
An impact melt origin for Earth’s oldest known evolved rocks
Tim E. Johnson, Nicholas J. Gardiner, Katarina Miljković, Christopher J. Spencer, Christopher L. Kirkland, Phil A. Bland & Hugh Smithies Nature Geoscience, Aug 13, 2018 LINK PDF “Earth’s oldest evolved (felsic) rocks, the 4.02-billion-year-old Idiwhaa…