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Runyon KD, Moriarty DP, Denevi BW, et al. Impact Melt Facies in the Moon's Crisium Basin: Identifying, Characterizing, and Future Radiogenic Dating. J Geophys Res Planets. 2020;125(1):e2019JE006024doi: 10.1029/2019JE006024.
Runyon, K. D., Moriarty, D. P., Denevi, B. W., Greenhagen, B. T., Morgan, G., Young, K. E., Cohen, B. A., van der Bogert, C. H., Hiesinger, H., & Jozwiak, L. M. (2020). Impact Melt Facies in the Moon's Crisium Basin: Identifying, Characterizing, and Future Radiogenic Dating. Journal of geophysical research. Planets, 125(1), e2019JE006024. https://doi.org/10.1029/2019JE006024
Runyon, K D, et al. "Impact Melt Facies in the Moon's Crisium Basin: Identifying, Characterizing, and Future Radiogenic Dating." Journal of geophysical research. Planets vol. 125,1 (2020): e2019JE006024. doi: https://doi.org/10.1029/2019JE006024
Runyon KD, Moriarty DP, Denevi BW, Greenhagen BT, Morgan G, Young KE, Cohen BA, van der Bogert CH, Hiesinger H, Jozwiak LM. Impact Melt Facies in the Moon's Crisium Basin: Identifying, Characterizing, and Future Radiogenic Dating. J Geophys Res Planets. 2020 Jan;125(1):e2019JE006024. doi: 10.1029/2019JE006024. Epub 2020 Jan 05. PMID: 32714725; PMCID: PMC7375055.
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J Geophys Res Planets. 2020 Jan;125(1):e2019JE006024. doi: 10.1029/2019JE006024. Epub 2020 Jan 05.

Impact Melt Facies in the Moon's Crisium Basin: Identifying, Characterizing, and Future Radiogenic Dating.

Journal of geophysical research. Planets

K D Runyon, D P Moriarty, B W Denevi, B T Greenhagen, G Morgan, K E Young, B A Cohen, C H van der Bogert, H Hiesinger, L M Jozwiak

Affiliations

  1. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA.
  2. NASA Goddard Space Flight Center Greenbelt MD USA.
  3. Planetary Science Institute Tucson AZ USA.
  4. Institut für Planetologie University of Münster Münster Germany.

PMID: 32714725 PMCID: PMC7375055 DOI: 10.1029/2019JE006024

Abstract

Both Earth and the Moon share a common history regarding the epoch of large basin formation, though only the lunar geologic record preserves any appreciable record of this Late Heavy Bombardment. The emergence of Earth's first life is approximately contemporaneous with the Late Heavy Bombardment; understanding the latter informs the environmental conditions of the former, which are likely necessary to constrain the mechanisms of abiogenesis. While the relative formation time of most of the Moon's large basins is known, the absolute timing is not. The timing of Crisium Basin's formation is one of many important events that must be constrained and would require identifying and dating impact melt formed in the Crisium event. To inform a future lunar sample dating mission, we thus characterized possible outcrops of impact melt. We determined that several mare lava-embayed kipukas could contain impact melt, though the rim and central peaks of the partially lava-flooded Yerkes Crater likely contain the most pure and intact Crisium impact melt. It is here where future robotic and/or human missions could confidently add a key missing piece to the puzzle of the combined issues of early Earth-Moon bombardment and the emergence of life.

©2019. The Authors.

Keywords: Moon; cataclysm; cratering; dating; geochronology; lunar

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