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| A popular tool to trace Earth's oxygen history can give fals http://www.epgeology.com/news-f37/popular-tool-trace-earth-oxygen-history-can-give-fals-t17395.html |
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| Author: | NewsPoster [ Sat Nov 18, 2017 4:01 pm ] |
| Post subject: | A popular tool to trace Earth's oxygen history can give fals |
Science Daily Geology If someone cries 'Eureka!' because it looks like oxygen appeared in Earth's ancient atmosphere long before the body of evidence indicated, be careful. If it was a chromium isotope system reading that caused the enthusiasm, it might need to be curbed. Read more |
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