The open access paper is:

Kenny, G. G., and others, 2022, A Late Paleocene age for Greenland’s
Hiawatha impact structure. Science Advances. vol. 8, no. 10
[www.science.org]

Wikipedia article discussing Hiawatha impact structure - [en.wikipedia.org]

More articles about Hiawatha impact structure:

Controversial impact crater under Greenland’s ice is surprisingly ancient
New date of 58 million years undercuts idea that strike triggered recent
1000-year plunge in temperatures By Paul Voose, Science News, March, 9, 2022
[www.science.org]

Giant impact crater in Greenland occurred a few million years after
dinosaurs went extinct by University of Copenhagen, PhysOrg
[phys.org]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)



Edited 2 time(s). Last edit at 03/10/2022 11:09AM by Paul H..