A meteor crater buried beneath Oklahoma has turned out to be nearly 100 million years younger than scientists thought. Zircon crystals show the Ames impact occurred about 370 million years ago, meaning it was not part of the mysterious Ordovician bombardment once linked to a possible ring of debris around Earth. Instead, the impact coincided closely with a major mass extinction that devastated marine life…
Source: ScienceDaily | Earth Science
ScienceDaily | Earth Science
- A meteor hit Oklahoma 100 million years later than scientists thought
- Scientists find an “earthquake gate” as California fault stress hits a 1,000-year high
- 1.7-billion-year-old fossils reveal a crucial clue to the rise of complex life
- Scientists may have misread a 2-billion-year-old clue about Earth
- Earth is tearing apart beneath the Pacific Northwest
- Scientists find two tiny new snails with shells that close like doors
- The “big one” might not come alone: Two major West Coast faults may strike back to back
- These tropical trees breathe at night to survive drought
- The Arctic sea ice melt season grew longer for decades, but something strange happened around 2010
- Scientists say a critical Atlantic Ocean current is weakening and the effects could be global
