Middle Ordovician astrochronology decouples asteroid breakup from glacially-induced biotic radiationsOPEN ACCESS
Jan Audun Rasmussen, Nicolas Thibault & Christian Mac Ørum Rasmussen Nature Communications, Volume 12, Article number: 6430 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meso-Cenozoic evidence suggests links between changes in the expression of orbital changes…
From the mid‐Ordovician into the Late Silurian: Changes in the micrometeorite flux after the L chondrite parent breakup
Ellinor Martin, Birger Schmitz, Hans‐Peter Schönlaub LINK Meteorit Planet Sci. . doi:10.1111/maps.13174 “We present the first reconstruction of the micrometeorite flux to Earth in the Silurian Period. We searched 321 kg of condensed, marine limestone…