Mastodawn

💧🌏 Greg Cocks

Researchers Find Oldest Evidence Of Earth’s Magnetic Field
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https://www.forbes.com/sites/davidbressan/2024/04/29/researchers-find-oldest-evidence-of-earths-magnetic-field/?sh=3443e1c050fb <-- shared media article
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https://doi.org/10.1029/2023JB027706 <-- shared paper
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#geology #geomagnetism #paleomagnetism #earth #global #protection #magneticfield #cosmic #IsuaSupracrustalBelt #fieldwork #metamorphic #structuralgeology #greenland #tectonics #Eoarchean #mineralogy

Researchers Find Oldest Evidence Of Earth’s Magnetic Field

A 3.7-billion-year-old rock recorded Earth’s magnetic field, and it was remarkably similar to the field surrounding Earth today.

Forbes