Figure F12. Schematic relative variations in the general trends of latent heat release, bulk Mg#, strain rate, cooling rate, hydrothermal fluid flux, fluid temperature, and intensity of high-temperature (HT) alteration with depth predicted by end-member "gabbro glacier" (with mainly conductive cooling of the lower crust) and "sheeted sill" (with convective cooling of the lower crust) models of crustal accretion (original figure by Rosalind Coggon). These trends are under discussion with regards to Site 1256.
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