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→Compaction
==Compaction==
==Compaction==
As an encapsulated rock mass is buried, it tends to compact. Under normal conditions, as the [[porosity]] is reduced, the interstitial fluid is expelled. When the fluid cannot escape, the pressure within the encapsulated rock mass rises. This higher fluid pressure takes on some of the overburden load, limiting the amount of compaction. In such cases, the fluid is overpressured and the rock matrix is undercompacted.
As an encapsulated rock mass is buried, it tends to compact. Under normal conditions, as the [[porosity]] is reduced, the [[interstitial fluid]] is expelled. When the fluid cannot escape, the pressure within the encapsulated rock mass rises. This higher fluid pressure takes on some of the [[overburden]] load, limiting the amount of compaction. In such cases, the fluid is overpressured and the rock [[matrix]] is undercompacted.
==See also==
==See also==