Early Lunar Magnetism

  title={Early Lunar Magnetism},
  author={I. Garrick-Bethell and B. Weiss and D. Shuster and J. Buz},
  pages={356 - 359}
  • I. Garrick-Bethell, B. Weiss, +1 author J. Buz
  • Published 2009
  • Geology, Medicine
  • Science
  • It is uncertain whether the Moon ever formed a metallic core or generated a core dynamo. The lunar crust and returned samples are magnetized, but the source of this magnetization could be meteoroid impacts rather than a dynamo. Here, we report magnetic measurements and 40Ar/39Ar thermochronological calculations for the oldest known unshocked lunar rock, troctolite 76535. These data imply that there was a long-lived field on the Moon of at least 1 microtesla ∼4.2 billion years ago. The early age… CONTINUE READING
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    Magnetism of a very young lunar glass
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    Moonstruck Magnetism
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    Persistence and origin of the lunar core dynamo
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    Decline of the lunar core dynamo
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    The end of the lunar dynamo
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    A Long-Lived Lunar Core Dynamo
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    An Impactor Origin for Lunar Magnetic Anomalies
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