The reign of the dinosaurs ended in spring

The image accompanying this article was created by Joschua Knüppe.
The image accompanying this article was created by Joschua Knüppe.
The image accompanying this article was created by Joschua Knüppe. An international team of researchers led by VU Amsterdam has discovered that the aftermath of the Chicxulub meteorite impact which killed nearly all of the dinosaurs, struck Earth during springtime. They arrived at this conclusion after examining thin sections of the bones from fossil fish, using high-resolution synchrotron X-ray scans and carbon isotope records. These fish died less than 1 hour after the asteroid impacted. The team presents its findings in this week's issue of the journal Nature. The unique Tanis locality in North Dakota (United States) preserves a fossilised ecosystem that includes paddlefishes and sturgeons which died as a direct consequence of the Chicxulub meteorite impact. -The impact triggered fast-moving surface waves across the continental plate that caused massive standing waves in water bodies.
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