downlap
mfs
Highstand Systems Tract

terminations.

A marine-flooding surface onto which the toes of prograding clinoforms in the overlying highstand Systems Tract downlap or terminate.

References
Mitchum Jr., R.M., 1977. Seismic stratigraphy and global changes of sea level. Part 11: glossary of terms used in seismic stratigraphy. In: Payton, C.E. (Ed.), Seismic Stratigraphy––Applications to Hydrocarbon Exploration, vol. 26. A.A.P.G. Memoir, pp. 205–212.