Study of zircon crystals casts doubt on evidence for early development of magnetic field

Thursday, January 3, 2019 - 11:50 in Physics & Chemistry

A combined team of researchers from the University of Cambridge and the University of California has found evidence that casts doubt on the use of zircon crystals as evidence of early development of the Earth's magnetic field. In their paper published in Proceedings of the National Academy of Sciences, the group describes testing they conducted on the crystals and what they found.

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