Laboratory experiments on crater scaling-law for sedimentary rocks in the strength regime

A. Suzuki, S. Hakura, T. Hamura, M. Hattori, R. Hayama, T. Ikeda, H. Kusuno, H. Kuwahara, Y. Muto, K. Nagaki, R. Niimi, Y. Ogata, T. Okamoto, T. Sasamori, C. Sekigawa, T. Yoshihara, S. Hasegawa, K. Kurosawa, T. Kadono, A. M. NakamuraS. Sugita, M. Arakawa

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


We systematically conducted impact cratering experiments with sedimentary rocks at 0.8-7.1km/s using various projectiles with 1.1-15g/cm 3 in density. The crater diameter, depth, and volume are investigated and compared with the results for igneous rocks. Then, using the non-dimensional parameters, the normalized crater diameter D, the normalized depth d, the normalized volume V, the target strength per specific energy 3, and the target and projectile density ratio 4, the scaling laws, D = (1.43 0.25) 3 -0.220.02 4 0.110.07, d = (0.22 0.04) 3 -0.250.02 4 0.010.05, and V = (0.11 0.04) 3 -0.710.05 4 0.230.17, are obtained. The comparison with the results of igneous rocks suggests that the characteristic properties of sedimentary rocks such as the lower strength and the strong shock wave attenuation rate are actually effective for the cratering of sedimentary rocks.

Original languageEnglish
Article numberE08012
JournalJournal of Geophysical Research E: Planets
Issue number8
Publication statusPublished - 2012
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology


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