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→Capillary contrasts
==Capillary contrasts==
==Capillary contrasts==
Capillary contrasts are differences in the capillary properties of the pore-throat apertures of seal and reservoir rocks, generally caused by a difference in pore-throat aperture sizes. These capillarity contrasts commonly create the trap boundaries between reservoir and seal.
[[Capillary pressure|Capillary contrasts]] are differences in the capillary properties of the pore-throat apertures of [[seal]] and [[reservoir]] rocks, generally caused by a difference in [[Pore systems|pore-throat aperture sizes]]. These capillarity contrasts commonly create the trap boundaries between reservoir and seal.
==Trap closure==
==Trap closure==