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Named after the boundary between the Cretaceous (K) and Paleogene (Tertiary) periods, this extinction event led ... it’s crucial to acknowledge the role of volcanic activity during this period. The ...

In 2024, samples collected from massive galena-pyrite-quartz veins identified at Jackie returned up to 216g/t Ag, 0.11% Cu, 12% Pb, 115ppm Te and 10.8ppm Ga, and are hosted in a Cretaceous layered ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

The fossil sheds light on interactions within the Cretaceous food web and may represent the first record of this type of ...

According to a new publication in the Journal of Paleontology, a juvenile pterosaur vertebrae fossil, commonly known as a ...

A QUARTER of a century ago, when first I began to study geology, it appeared to me that a predominance was given to the more recent rocks, such as the Pleistocene, Miocene, Eocene, Cretaceous ...

Mark Witton, 2025. The Chicxulub impactor smashed into Earth, wiped out around 75 percent of our planet’s animals and ended ...

Researchers say the new findings provide insight into predator-prey dynamics in the region during the Cretaceous period and mark the first evidence in North America of ancient crocodilians ...

The feathered creature thrived during the Cretaceous period, and continued to do so even after an Earth-shattering asteroid strike 66million years ago. Christopher Torres, former NSF Postdoctoral ...

Researchers say the new findings provide insight into predator-prey dynamics in the region during the Cretaceous period and mark the first evidence in North America of ancient crocodilians ...