varved clay การใช้

The temporary support structure moved as a result of a shift in the unstable varved clay under the river.
An isolated pile of subaerial basalt flows and associated pillow lava rest on varved clay and till in King Creek.
Owing to this previous lake, much of the bottom of Lac Seul is covered with thick deposits of lacustrine silts and varved clay of varying thickness.
Varve ( or " varved clay " ) is clay with visible annual layers, which are formed by seasonal deposition of those layers and are marked by differences in erosion and organic content.
The interior basin of this feature is stiff, varved clay covered with a layer of coarse brown sand about Sub-bottom seismic profiles found that at most a maximum of of crudely stratified unconsolidated sediments overlie Ordovician limestones of the Trenton Group.