Dinosaurs

COMMENTARY
Allosaurus jimmadseni. (Courtesy of the National Park Service)

New thoughts about the impact of old bones in the rural West

BY: - May 8, 2023

The prehistoric past can perk up the present. When woolly mammoth bones were found in my hometown in Wisconsin years ago, they became the centerpiece of one of our local museums. Today, they continue to attract visitors and serve as one of the city’s informal symbols. Unfortunately, the story across much of the fossil-rich West […]

Colleen Sullivan, who authored a newly published paper quantifying fossil erosion, is shown here working in a lab at South Dakota Mines on her research. (Courtesy of South Dakota Mines)

Mines student recognized for research on fossil dissolution rates

BY: - October 25, 2022

RAPID CITY — A South Dakota Mines graduate student has published research on the rate that fossils erode when they’re exposed to the surface. Colleen Sullivan’s research has just been published in the peer-reviewed open-access scientific journal PLOS ONE. In a news release from Mines, Sullivan said she was studying the effect of rain on […]