Lunar soil grain size distribution |
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| Authors: | W David Carrier III |
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| Institution: | (1) Planetary and Earth Sciences Division, NASA Manned Spacecraft Center, Houston, Texas, USA |
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| Abstract: | A comprehensive review has been made of the currently available data for lunar grain size distributions. It has been concluded that there is little or no statistical difference among the large majority of the soil samples from the Apollo 11, 12, 14, and 15 missions. The grain size distribution for these soils has reached a steady state in which the comminution processes are balanced by the aggregation processes. The median particle size for the steady-state soil is 40 to 130 µm. The predictions of lunar grain size distributions based on the Surveyor television photographs have been found to be quantitatively in error and qualitatively misleading. |
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