Secondary magnetite in ancient zircon precludes analysis of a Hadean geodynamo
Zircon crystals from the Jack Hills, Western Australia, are one of the few surviving mineralogical records of Earth’s first 500 million years and have been proposed to contain a paleomagnetic record of the Hadean geodynamo. A prerequisite for the preservation of Hadean magnetization is the presence...
| Main Authors: | , , , , , , , , , , , , , , |
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| Format: | Journal Article |
| Published: |
National Academy of Sciences
2019
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| Online Access: | http://hdl.handle.net/20.500.11937/74447 |