A team of researchers recently set out to northern Alaska to collect avian fossils — and discovered the earliest known ...

Scientists have discovered the fossils of two new species of sturgeon fish in the Hell Creek Formation of North Dakota that were likely buried when the dinosaur-ending Chicxulub asteroid hit Earth.

Figure 1: Palaeogeography and stratigraphy of the Fox Hills Formation of North and South Dakota. The absence of ... Western Interior at the close of the Cretaceous.

Locality and horizon. Mussentuchit Member, ~98 Ma 18, Upper Cretaceous (Cenomanian) Cedar Mountain Formation, ~10 m below the base of the Dakota Formation; Emery County, Utah, USA (exact ...

The North Dakota site, nicknamed Tanis after the “lost” ancient Egyptian city, lies on private ranch land within a tiny outcrop of the larger Hell Creek Formation, a series of rock layers that ...

and Summerville Formations), Cretaceous (Dakota Group, Cedar Mountain and Laramie Formations), Eocene (Green River Formation), Miocene (Brown’s Park and Muddy Creek Formations) specimens. Other ...

Since the Dakotaraptor fossils date to the very end of the late Cretaceous ... were found in a place called the Hell Creek Formation, among South Dakota’s otherworldly badlands.

Buried in the rocks in North Dakota ... Creek Formation. And since 2019, he and his colleagues have put forward some very strong claims about what Tanis tells us about the end of the Cretaceous ...

which were unearthed at the Dakota Formation in Emery County, Utah. The fossils reveal that the huge dinosaur lived approximately 98 million years ago at the dawn of the Late Cretaceous.

The three fossils in this new study were recently uncovered in the Hell Creek Formation. This fossil-rich area in present day Montana, North Dakota ... date back to the Cretaceous Period and ...

intersected 140 ft of net reservoir sand in three Frontier 1 formation sands, a single Frontier 2 sand, and Lower Cretaceous Dakota formation sands. Light oil (40° API) was recovered from the ...