On the heat flow of a gravitationally-differentiated moon of fission origin |
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| Authors: | Alan B Binder |
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| Institution: | 1. Science Applications Inc., Tucson, Ariz., USA
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| Abstract: | It is shown that the mean value for the heat flow of a gravitationally-differentiated Moon of fission origin is about 13 erg cm?2 s?1 and that the heat flow varies regionally from about 3 erg cm?2s?1 to more than 45 erg cm?2s?1. These regional variations in the heat flow are caused by a non-uniform distribution of K, U and Th in the KREEP zone at the crust-upper mantle boundary and the redistribution of crustal materials and K, U and Th rich KREEP materials by basin-forming impacts. The scale of these regional variations is hundreds of km. The models presented are in accord with the Apollo 15 and 17 heat flow measurements. |
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