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Scientists Discover Ancient ‘Hotspot’ That Shaped the Great Lakes 300 Million Years Ago as Earth’s First Imprint
According to Live Science, the lakes formed about 20,000 years ago because of a hotspot beneath the supercontinent of Pangaea that existed 300 million years ago. The supercontinent broke apart to ...
Indiatimes1mon
300 million-year-old hotspot linked to the formation of the Great Lakes discovered by scientists; where is it now?
Million years ago, Earth was part of the supercontinent Pangaea ... Verde hotspot lay beneath the Great Lakes region since about 300 million years ago, when North America was part of Pangaea.
National Geographic news3mon
Precambrian Time
About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...