Lunar viscosity models
- 31 March 1977
- journal article
- Published by The Royal Society in Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences
- Vol. 285 (1327) , 463-467
- https://doi.org/10.1098/rsta.1977.0088
Abstract
Viscosity values as estimated from isostatic processes and from temperature and melting point-depth relations show that the Moon’s outer layers are much more viscous than any geologic region on Earth. These high η -values are responsible for the survival of the very old lunar landscape. At depths below 500 km η -values increase and permit a limited convection. Moonquakes around 800 km depth seem to be connected with a limited range of viscosity values. A tentative relation between viscosity and seismic Q-values is presented.Keywords
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