40Ar/39Ar age of the Lake Saint Martin impact structure (Canada)–Unchaining the Late Triassic terrestrial impact craters

M Schmieder, F Jourdan, E Tohver… - Earth and Planetary …, 2014 - Elsevier
Abstract New 40 Ar/39 Ar dating of impact-melted K-feldspars and impact melt rock from
the∼ 40 km Lake Saint Martin impact structure in Manitoba, Canada, yielded three plateau …

In situ U–Pb analysis of shocked zircon from the Charlevoix impact structure, Québec, Canada

M Schmieder, BJ Shaulis, TJ Lapen… - … & Planetary Science, 2019 - Wiley Online Library
Laser ablation inductively coupled plasma‐mass spectrometry (LA‐ICP‐MS) U–Pb
geochronology of shocked zircon grains in a vesicular‐fluidal impact melt rock from the≥ 54 …

[HTML][HTML] Zircon (U-Th)/He impact crater thermochronometry and the effects of shock microstructures on He diffusion kinetics

CH Ross, DF Stockli, T Erickson, SPS Gulick - … et Cosmochimica Acta, 2024 - Elsevier
Accurate age determination of impact cratering events remains difficult and controversial.
Less than a quarter of all documented impact craters are regarded as accurately and …

[PDF][PDF] Das Alter des Meteoritenkraters Nördlinger Ries–eine Übersicht und kurze Diskussion der neueren Datierungen des Riesimpakts

E Buchner, M Schmieder, WH Schwarz… - Zeitschrift der Deutschen …, 2013 - academia.edu
In den letzten Jahren wurde eine Vielzahl neuer 40Ar/39Ar-Datierungen für den etwa 24 km
großen Impaktkrater Nördlinger Ries in Süddeutschland publiziert. Als Datierungsmaterial …

Distal processes and effects of multiple Late Triassic terrestrial bolide impacts: insights from the Norian Manicouagan event, northeastern Quebec, Canada

MJ Clutson, DE Brown, LH Tanner - The Late Triassic World: Earth in a …, 2018 - Springer
Abstract The Late Triassic (Carnian to Rhaetian Stages: ca. 237–201 Ma) has a long history
of geological research, although controversy remains over the precise definition of key sub …