User:NikelsenH/Systems tract

A systems tract blblb lb in sequence stratigraphy, a subdiscipline of geology.

Falling-stage systems tract
FSST, Falling-stage systems tract

Highstand systems tract
Highstand systems tract HST HSST?

Lowstand systems tract
Lowstand systems tract, LST LSST??

Transgressive systems tract
Transgressive systems tract, TST

Regressive System Tract
Regressive System Tract RST includes HST, FSST and LST