1. Reconstructing the oceanic carbon cycle gradient for the end-Cretaceous mass extinction: insights from El Kef, Tunisia Siri Ofstad A dissertation submitted on the 1st…
Slide 1 What Goes Around Comes Around: Humankind, the Environmental Crisis, and the Future of Life on Earth… …Or…How Do We Want To Die ? Reminder: Earth Sciences 083F…
Slide 1 Lecture 29: Mass Extinctions Slide 2 X X X X X X X X Slide 3 Phanerozoic Mass Extinctions biodiversity Mississippian Pennsylvanian Ma Jurassic Cambrian Slide 4 Apparent…
GEOLOGIC HISTORY The Last 4.6 Billion Years M O N T H L Y N E W S L E T T E R D i s a s t r o u s D r o u g h t s ! What caused the extinctions of these amazing creatures?…