Browsing LPI Contributions by Author "Davison, Thomas M."

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Precise radiometric age establishes Yarrabubba, Western Australia, as Earth's oldest recognised meteorite impact structure

Erickson, Timmons M.; https://orcid.org/0000-0003-4520-7294; Kirkland, Christopher L.; Timms, Nicholas E.; Cavosie, Aaron J.; Davison, Thomas M. (Nature, 2020-01-21)

The ~70 km-diameter Yarrabubba impact structure in Western Australia is regarded as among Earth's oldest, but has hitherto lacked precise age constraints. Here we present U–Pb ages for impact-driven shock-recrystallised ...
A steeply-inclined trajectory for the Chicxulub impact

Collins, Gareth S.; Patel, N.; Davison, Thomas M.; Rae, Auriol S. P.; Morgan, Joanna V.; Gulick, Sean P. S.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (Nature, 2020-05-26)

The environmental severity of large impacts on Earth is influenced by their impact trajectory. Impact direction and angle to the target plane affect the volume and depth of origin of vaporized target, as well as the ...

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