Iron helped scientists trace Earth's oxygen. Now it's telling a bigger story
September 25, 2026
September 25, 2026
EAST LANSING, Michigan, Sept. 25 -- Michigan State University posted the following news:
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Iron helped scientists trace Earth's oxygen. Now it's telling a bigger story
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For decades, scientists have studied iron preserved in ancient rocks to reconstruct how Earth's oceans and atmosphere became rich in oxygen. A new study suggests iron has recorded other major transformations too.
Michigan State University researc . . .
* * *
Iron helped scientists trace Earth's oxygen. Now it's telling a bigger story
*
For decades, scientists have studied iron preserved in ancient rocks to reconstruct how Earth's oceans and atmosphere became rich in oxygen. A new study suggests iron has recorded other major transformations too.
Michigan State University researc . . .