Dr. James Hagadorn is a detective in deep time, seeking to understand how our planet has changed. With a combination of field- and laboratory-based geology, his research informs us about how Earth’s outer membrane has functioned in the past and how it responds to perturbations—today, millions of years ago, and potentially in the future.
The Permian-Triassic transition in Colorado
Cambrian Sauk transgression in the Grand Canyon region redefined by detrital zircons
The Colorado stratigraphy chart
Cambrian wave-dominated tidal-flat deposits, central Wisconsin, USA
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