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Reply to 'Integrity of lunar soil samples'

Nature Geoscience volume 9, page 87 (2016)Cite this article

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Cooper et al. reply —

Taylor et al. argue that documented differences between laser diffraction and sieving techniques1, rather than degradation of the samples over time, can explain the different particle size distributions of lunar soil samples that we observe. However, we would expect comparatively larger particle sizes for laser diffraction measurements if this were the case; instead, our laser diffraction measurements yielded smaller values. We find that methodological differences cannot account for the discrepancy between the two sets of measurements.

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References

  1. Eshel, G., Levy, G. J., Mingelgrin, U. & Singer, M. J. Soil Sci. Soc. Am. J. 68, 736–743 (2004).

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  2. Cooper, B. L., Thaisen, K., Chang, B. C., Lee, T. S. & McKay, D. S. Nature Geosci. 8, 657–658 (2015).

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Author notes

  1. D. S. McKay: Deceased

Authors and Affiliations

  1. International Space Exploration Research Institute, Hanyang University, 2nd Engineering Building, 1271, Sa 3-dong, Sangrok-gu, Ansan, 426-791, Gyeonggi-do, Korea

    B. L. Cooper, B. C. Chang & T. S. Lee

  2. Geology Department, Grand Valley State University, 49401, Michigan, USA

    K. Thaisen

  3. NASA Lyndon B. Johnson Space Center, Houston, 77058, Texas, USA

    D. S. McKay

Authors
  1. B. L. Cooper
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  2. K. Thaisen
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  3. B. C. Chang
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  4. T. S. Lee
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  5. D. S. McKay
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Corresponding author

Correspondence to B. L. Cooper.

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Cooper, B., Thaisen, K., Chang, B. et al. Reply to 'Integrity of lunar soil samples'. Nature Geosci 9, 87 (2016). https://doi.org/10.1038/ngeo2645

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