Surface properties of a North Ray Crater soil Apollo 16 |
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Authors: | HF Holmes RB Gammage |
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Institution: | Chemistry Division, Oak Ridge National Laboratory, Oak Ridge, Tenn. 37830 USA;Health Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tenn. 37830 USA |
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Abstract: | Surface properties of lunar fines sample 67481 have been investigated by measuring the adsorptions of nitrogen (at ?196°C) and water (at 20°C). Characteristics of this sample are similar to those of samples from other locations on the lunar surface and include the more typical alteration reaction with adsorbed water. Although their maturities are markedly different, the surface properties of 67481 are very much like those of the more mature 63341 from the adjacent station 13. These results indicate that the surface properties of lunar soils attain an equilibrium state faster than other properties used to indicate maturity. |
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