Lissie Formation
(Quaternary; Middle Pleistocene) at surface, covers 36 % of this area Lissie Formation
Willis Formation
(Pliocene) at surface, covers 7 % of this area Willis Formation
Alluvium
(Holocene) at surface, covers 2 % of this area Alluvium
Deweyville Formation
(Quaternary; Pleistocene and Holocene?) at surface, covers 1 % of this area Deweyville Formation
Fill and spoil
(Holocene) at surface, covers 0.5 % of this area Fill and spoil
Terrace deposits
(Pleistocene and Holocene) at surface, covers 0.1 % of this area Terrace deposits