Direct age constraints on the magnetism of Jack Hills zircon
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DOI: 10.1126/sciadv.add1511
Abstract: A potential record of Earth’s magnetic field going back 4.2 billion years (Ga) ago is carried by magnetite inclusions in zircon grains from the Jack Hills. This magnetite may be secondary in nature, however, meaning… read more here.
Keywords: constraints magnetism; jack; age constraints; direct age ... See more keywords