Archive for June 10th, 2019

Asteroid impact effects on Snowball EarthOPEN ACCESS

10/06/2019 07:42 · by karmaka · in Earth, impact / impact-structures

Christian Koeberl, Boris A. Ivanov Meteoritics & Planetary Science First Published: 9 June 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Several Snowball Earth periods, in which the Earth has been (almost) totally glaciated, are known…

Identification of a meteoritic component using chromium isotopic composition of impact rocks from the Lonar impact structure, India

10/06/2019 07:37 · by karmaka · in carbonaceous chondrite, impact / impact-structures

Berengere Mougel, Frederic Moynier, Christian Koeberl, Daniel Wielandt, Martin Bizzarro Meteoritics & Planetary Science First Published: 9 June 2019 LINK “The existence of mass‐independent chromium isotope variability of nucleosynthetic origin in meteorites and their components…