Expeditions to a remote area of Yukon, Canada, have uncovered a 120-million-year-long geological record of a time when land plants and complex animals first evolved and ocean oxygen levels began to approach those in the modern world.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/07/210708185945.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/07/210708185945.htm
Longest known continuous record of the Paleozoic discovered in Yukon wilderness
![Longest known continuous record of the Paleozoic discovered in Yukon wilderness]()
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July 09, 2021
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