Sentence examples for impermeable clay from inspiring English sources

On top of the liner come two feet of impermeable clay, followed by one more foot of soil.

An impermeable clay subsoil prevents much of the rain's absorption, so what little rain does fall is carried along the bare land surface in torrents.

The island's early settlers survived, she explained, by digging holes in the impermeable clay soil beneath bushes and trees and simply waiting for them to drip-fill.

A signature feature will be 12 acres of interim storage pools that will be lined with dense plastic and sit atop nearly impermeable clay, to hold the slightly radioactive byproducts until they can be carted away.

Anyone digging down in London stands a fair chance of coming into contact with what is known as the upper aquifer: perched groundwater that sits on top of a deep layer of impermeable clay and flows through channels of sand and gravel.

Available lithologs and aquifer test data suggest that the presence of impermeable clay around those pockets possibly inhibits vertical and lateral flushing of the aquifer and aids strong water rock interactions subsequently leading to release of arsenic into groundwater.

In ∼45 years, saline water from Lake Tutchewop has infiltrated only up to 165 m from the lake edge in most directions, due to the underlying relatively impermeable clay-rich sediments, and a maximum of 700 m due to preferential groundwater flow along a sandy palaeochannel.

Soils and rock range from substantially impermeable clays through silts and sands to coarse-graded gravels and rock fragments that possess little resistance to the movement of water.

The Sundgau region of the Alsace Plain, which lies between the Jura and the Ill River above Mulhouse, is another great alluvial fan overlaying impermeable clays, which hold up numerous lakes.

Gas-impermeable clay platelets in the PU matrix form tortuous pathways that further retard the progress of gas molecules.

Surface sediments and soils in Polder 32 are silt-dominated and clay-rich, forming an impermeable mud cap [12, 13].