#FossilFriday at the ~2.7 billion-year-old Tumbiana Fm, #PilbaraCraton, W #Australia

🦠 Pictured are lake-deposited #stromatolites, where calm water conditions allowed larger, intricate structures to form.

Fieldtrip led by Curtin Earth & Planetary Sciences professor Dr. Kranendonk
🛑Permit SGR041.

Earth's oldest-known impact crater discovered in outback WA The discovery of a 3.47-billion-year-old crater in WA's Pilbara region pushes back the age of the earliest-known impact site on Earth by more than one billion years.

"Geologists claim to have found the planet's oldest impact crater in Western Australia's ancient Pilbara region.
The crater, estimated to be 3.47 billion years old, could have been 100 kilometres wide."

#Auspol #WApol #Geology #GeologicalHistory #PilbaraCraton