Mathematics – Logic
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..913m&link_type=abstract
Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 913.
Mathematics
Logic
Lithosphere, Volcanoes, Lithology, Landslides, Detachment, Seismology
Scientific paper
A basal detachment model for the formation of the Olympus Mons aureole and basal scarp has important implications for the elastic lithosphere thickness (Te), hydrological conditions, and structural evolution of the volcano. In this model, landslide material (the aureole) fills the flexural moat, obscuring the preslide surface and thus invalidating earlier lower bounds on Te at Olympus Mons. Several lines of argument suggest that Te may be less than these bounds. Formation of this basal detachment requires liquid water (pore fluid) and may require a thick, areally extensive deposit of material with low hydraulic diffusivity (such as clay). Deep parts of the detachment may lock due to fluid loss from compaction, yielding a central edifice with a welded base surrounded by landslide deposits over a detached base. Conditions in a basal detachment may provide favorable habitats for autotrophic organisms.
McGovern Patrick J.
Solomon Sean C.
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