This paper derives the integrated constitutive relation at the singular point theoretically by using Hyushin's postulate in the the strain space, and gives an example applicable to the rock cap model.

Sunglasses covered his eyes, and he wore a cheap black knit winter cap. Embroidered across the front of it was the word “Rock” in English.

While many salt domes retain a cap of the youngest rock layers at the surface, in some cases the underlying salt extrudes all the way to the surface.