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Sean PS Gulick on Muck Rack

Sean PS Gulick

As seen in: Nature, Wiley Online Library, SPACE.com, Wales Online, Bristol Post, Hull Daily Mail, Astronomy Magazine, Nottingham Post, Surrey Live, Leicester Mercury and
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Articles

3D anatomy of the Cretaceous–Paleogene age Nadir Crater - Communications Earth & Environment

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By Uisdean Nicholson, Sean PS Gulick, Veronica Bray, Debora Duarte
| Nature Verified
Abstract The Nadir Crater offshore West Africa is a recently proposed near K-Pg impact structure identified on 2D seismic. Here we present 3D seismic data that image this crater in exceptional detail, unique for any such structure, which demonstrates beyond reasonable doubt that the crater-forming mechanism was a hypervelocity impact. Seismic mapping reveals a near-circular crater rim of 9.2 km and an outer brim of ~23 km diameter defined by concentric normal faults.
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2020 Barringer Medal for Joanna Morgan

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By Natalia Artemieva, Sean PS Gulick
| Wiley Online Library Verified
Award 2020 Barringer Medal for Joanna Morgan Natalia Artemieva, Corresponding Author Natalia Artemieva Planetary Science Institute, Tucson, Arizona, USA Search for more papers by this authorSean Gulick, Sean Gulick Institute for Geophysics and Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas, USA Search for more papers by this author Natalia Artemieva, Corresponding Author Natalia Artemieva Planetary Science Institute, Tucson,...
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The Asteroid That Wiped Out the Dinosaurs May Have Had a 'Little Sister'

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By Uisdean Nicholson, Sean PS Gulick, Veronica Bray
| Singularity Hub Verified
The ocean floor is famously less explored than the surface of Mars. And when our team of scientists recently mapped the seabed, and ancient sediments beneath, we discovered what looks like an asteroid impact crater. Intriguingly, the crater, named “Nadir” after the nearby volcano Nadir Seamount, is of the same age as the Chicxulub impact caused by a huge asteroid at the end of the Cretaceous period, around 66 million years ago, which wiped out the dinosaurs and many other species.
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