Iron helped scientists trace Earth's oxygen. Now it's telling a bigger story

CertificationNews.com brief · 47d ago · 1 min read · via phys.org

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.

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. This story matters for Science & Discovery readers tracking certification. Reported by phys.org. Read the full original at the source link below.

Originally reported by phys.org. CertificationNews.com curates and briefs the science & discovery stories that matter. Our editorial policy →
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