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Quantitative constraints on the ages of melt-forming impact events on the Moon are based primarily on isotope geochronology of returned samples. However, interpreting the results of such studies can often

Quantitative constraints on the ages of melt-forming impact events on the Moon are based primarily on isotope geochronology of returned samples. However, interpreting the results of such studies can often be difficult because the provenance region of any sample returned from the lunar surface may have experienced multiple impact events over the course of billions of years of bombardment. We illustrate this problem with new laser microprobe [superscript 40]Ar/[superscript 39]Ar data for two Apollo 17 impact melt breccias.

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    Date Created
    • 2015-02-12
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  • Text
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    Identifier
    • Digital object identifier: 10.1126/sciadv.1400050
    • Identifier Type
      International standard serial number
      Identifier Value
      2375-2548

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    Mercer, C. M., Young, K. E., Weirich, J. R., Hodges, K. V., Jolliff, B. L., Wartho, J., & Soest, M. C. (2015). Refining lunar impact chronology through high spatial resolution 40Ar/39Ar dating of impact melts. Science Advances, 1(1). doi:10.1126/sciadv.1400050

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