The Late Triassic Extinction at the Norian/Rhaetian boundary: Biotic evidence and geochemical signature
The latest Triassic was an interval of prolonged biotic extinction culminating in the end-
Triassic Extinction (ETE). The ETE is now associated with a perturbation of the global carbon …
Triassic Extinction (ETE). The ETE is now associated with a perturbation of the global carbon …
Earth's impact events through geologic time: a list of recommended ages for terrestrial impact structures and deposits
M Schmieder, DA Kring - Astrobiology, 2020 - liebertpub.com
This article presents a current (as of September 2019) list of recommended ages for proven
terrestrial impact structures (n= 200) and deposits (n= 46) sourced from the primary …
terrestrial impact structures (n= 200) and deposits (n= 46) sourced from the primary …
Innovations in (U–Th)/He, fission track, and trapped charge thermochronometry with applications to earthquakes, weathering, surface‐mantle connections, and the …
A transformative advance in Earth science is the development of low‐temperature
thermochronometry to date Earth surface processes or quantify the thermal evolution of …
thermochronometry to date Earth surface processes or quantify the thermal evolution of …
Seeing is believing: Visualization of He distribution in zircon and implications for thermal history reconstruction on single crystals
Zircon (U-Th)/He thermochronometry is an established radiometric dating technique used to
place temporal constraints on a range of thermally sensitive geological events, such as …
place temporal constraints on a range of thermally sensitive geological events, such as …
Dating terrestrial impact structures
F Jourdan, WU Reimold, A Deutsch - Elements, 2012 - pubs.geoscienceworld.org
Hypervelocity impacts of asteroids and comets have played a key role in the evolution of the
Solar System and planet Earth. Geochronology, the science that investigates the ages of …
Solar System and planet Earth. Geochronology, the science that investigates the ages of …
A new U-Pb age for shock-recrystallised zircon from the Lappajärvi impact crater, Finland, and implications for the accurate dating of impact events
Accurate and precise dating of terrestrial impact craters is a critical requirement for
correlating impacts with events such as mass extinctions. A number of isotopic systems have …
correlating impacts with events such as mass extinctions. A number of isotopic systems have …
Northward dispersal of dinosaurs from Gondwana to Greenland at the mid-Norian (215–212 Ma, Late Triassic) dip in atmospheric pCO2
DV Kent, LB Clemmensen - Proceedings of the National …, 2021 - National Acad Sciences
The earliest dinosaurs (theropods and sauropodomorphs) are found in fossiliferous early
Late Triassic strata dated to about 230 million years ago (Ma), mainly in northwestern …
Late Triassic strata dated to about 230 million years ago (Ma), mainly in northwestern …
Zircons from the Acraman impact melt rock (South Australia): shock metamorphism, U–Pb and 40Ar/39Ar systematics, and implications for the isotopic dating of impact …
This study presents the first optical and scanning electron microscopic characterization and
U–Pb SHRIMP dating results for zircon grains separated from the most likely autochthonous …
U–Pb SHRIMP dating results for zircon grains separated from the most likely autochthonous …
High-resolution EBSD and SIMS U–Pb geochronology of zircon, titanite, and apatite: insights from the Lac La Moinerie impact structure, Canada
M McGregor, TM Erickson, JG Spray… - … to Mineralogy and …, 2021 - Springer
High-resolution electron backscattered diffraction (EBSD) and correlated in situ secondary
ion mass spectrometry (SIMS) U–Pb geochronology have been conducted on impact …
ion mass spectrometry (SIMS) U–Pb geochronology have been conducted on impact …
Recrystallization and chemical changes in apatite in response to hypervelocity impact
Despite the wide utility of apatite, Ca 5 (PO 4) 3 (F, Cl, OH), in the geosciences, including
tracing volatile abundances on the Moon and Mars, little is known about how the mineral …
tracing volatile abundances on the Moon and Mars, little is known about how the mineral …