Archive for November 24th, 2021

Habitability of the early Earth: liquid water under a faint young Sun facilitated by strong tidal heating due to a closer MoonOPEN ACCESS

24/11/2021 21:16 · by karmaka · in Earth, Moon, sun, water

René Heller, Jan-Peter Duda, Max Winkler, Joachim Reitner & Laurent Gizon PalZ (2021)Published: 24 November 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Geological evidence suggests liquid water near the Earth’s surface as early as 4.4 gigayears…

The Pecora Escarpment (PCA) 91020 EL3 chondrite and deformation on the EL3 asteroid

24/11/2021 19:30 · by karmaka · in chondrule, EL, enstatite chondrite, metal sulfide nodule

Y. Boleaga, M. K. Weisberg, J. M. Friedrich, D. S. Ebel Meteoritics & Planetary ScienceVersion of Record online: 24 November 2021 LINK “We present the results of our study of two thin sections of Pecora…

Multiple shock events recorded in the Northwest Africa 2139 LL6 chondrite: Implications for collisional histories of the LL chondrite parent body

24/11/2021 15:35 · by karmaka · in LL, ordinary chondrite, parent body, shock metamorphism

Atsushi Takenouchi, Hirochika Sumino, Karin Shimodate, Akira Yamaguchi Meteoritics & Planetary ScienceVersion of Record online: 24 November 2021 LINK “LL chondrites have experienced multiple shock events; however, the relations of each shock event and their…