Climate change 201 million years ago likely led to worldwide dinosaur dominance

Ooids from Cat Bay, Bahamas.
Microscope images from the published paper: A) Fragmented phosphatic coated grains. C) Light and dark brown concentric laminations. Red arrow points to unaltered shell fragment within the cortex of phosphatic coated grain. https://doi.org/10.1038/s41598-019-55162-2

Ooids

Changes in the water

Paleogeography and modern location of study localities. Samples sere taken from Williston Lake, in modern day British Columbia, Canada. The three sampling locations are shown in the the insert. Pangea is shown in green, and the CAMP volcanic area is outlined. https://doi.org/10.1038/s41598-019-55162-2

Outlook

Original Paper

Keeping science accessible. Researching how minerals can be used to solve problems like climate change, pollution, and disease. @ NHMLA, USC, NASA-JPL