In honour of Old Rock Day, here is today's historical fun fact!
Did you know that...
"Canada, Australia and Greenland have been the top contenders for being home to the Earth’s oldest geological specimens:
Greenland: Oldest fossils found in rock, Iusa Specimens, 3.7 billion years old
Australia: Oldest minerals, Jack Hills Zircon, 4.36 billion years old
Canada: Oldest rock, Canadian Shield, 4.3 billion years old" (Science World, 2017)
References:
Science World. (2017, November 11th) WHERE IN THE WORLD ARE THE OLDEST ROCKS?. Retrieved from Science World: https://www.scienceworld.ca/stories/where-world-are-oldest-rocks/
Published on January 7, 2022