Rocks at asteroid impact site record first day of dinosaur extinction
Rocks at asteroid impact site record first day of dinosaur extinction
Rocks tell story of asteroid that doomed the dinosaurs
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=299284&WT.mc_id=USNSF_1
This is a Research News item.
Read more at nsf.gov
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