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Table 2

Names of regions, their area from the 3D shape model (Thomas et al. 2013), the total number and surface density of boulders 10 m, power-law index, and associated error.

Name Area3D (km2) Tot # boulders 10 m # 10 m boulders per km2 Power-index +

All 2.38 332 140 −2.7 0.2 0.2
L1 1.24 258 208 −2.7 0.2 0.2
L2 0.67 74 111 −2.6 0.2 0.5

Notes. The 3D area of the illuminated waist region is 0.47 km2.

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