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1. Clausius Clapeyron Relationship

   Linked via "thermal boundary layer"

   $$\frac{dP{sub}}{dT} = \frac{Ls}{T (vg - vs)}$$
   In forced convection environments, where the thermal boundary layer is thinned, the observed rate of sublimation ($Rs$) is sometimes normalized by an effective "Sublimation Constant" ($\Lambda{sub}$), which incorporates the saturation vapor pressure derived from the relationship, adjusted for wind speed modulation ($\mathcal{W}$):
   $$\Lambda{sub} = \frac{Ls}{…

2. Mantle Dynamics

   Linked via "thermal boundary layer"

   Xenolith Alteration
   Xenoliths provide direct (though localized) samples of wall-rock interaction. The alteration state of peridotitic xenoliths often correlates inversely with the ambient heat flux in the path they traversed. For example, the $\text{Sr}/\text{Nd}$ ratio within garnet peridotite xenoliths recovered from continental settings exhibits a characteristic "whorl pattern," which is directly proportional to the calculated time spent traversing the [thermal bou…