The north western band is composed of early to mid-Ordovician sedimentary rocks, largely mudstones and siltstones of marine origin.
12.
They were formerly thought to have been of marine origin but recent research has cast doubt on this view.
13.
In South Carolina the soils are usually of sandy coastal plain or marine origin, except for the organic soils.
14.
These cliffs, locally known as the Tamala Limestone Formation, contain layers of dune origin interspersed with layers of shallow-marine origin.
15.
Materials of marine origin were deposited for some 7 million years, after which the basin became totally isolated from the sea.
16.
It is the largest lake in the delta region, covering 7.93 km? and the only lake of marine origin in Lithuania.
17.
"' Kroks Lanka "'is the only lake of marine origin in Lithuania and the largest lake in the ` ilut District Municipality.
18.
The western side contains the oldest formations from the Cambrian, consisting in seadimentary depots of marine origin, later subject to metamorphic phenomena.
19.
Throughout the 70s and early 80s TL dating of light-sensitive traps in geological sediments of both terrestrial and marine origin became more widespread.
20.
However, saline groundwater of marine origin enters the Delta through pumping of brackish water and upwelling in lakes and drains, thus counterbalancing this effect.
