clay bed
clayey layer

A spokesman said on paper it had looked like the china clay bed would work.

So we run pipes under them to carry the heat away to a big clay bed in the mountain.

He acknowledges that there is another, possibly less exciting explanation for the clay beds.

"In other places, the clay beds were much thicker."

Clay beds are treated as a sequence of layers.

The researchers believe that the environment was warm and moist, leaving large clay beds which have been picked up by Express.

This bog was formed by glacial meltwater on a clay bed.

From c.1150 to the early 20th century an extensive potting industry exploited the London clay beds found there.

When first constructed, it was supported on timber piles driven 14 feet into the sand and clay bed of the river.

However this does not fully explain the presence of the nearly co-located varve clay beds.

Rain hissed down onto the flat clay bed and vanished immediately into the fissures of the thirsty earth.

There was also talk of conservationhow we may deplete the best golem-quality clay beds in a generation or two.

They were hurled at a steel pin driven into a three-foot square clay bed, with the common length of the green being 18 yards.

Ironstone was taken from clay beds, then heated with charcoal from the abundant woods in the area.

Once set, the clay bed is removed and the master, now sitting in the plaster, is turned over and the wall reassembled around it.

Endemic to the soil in Newdigate are a number of thick clay beds making the area was home to numerous brickmaking businesses.

The original stop weir consisted of a curtain of sheet steel which was driven into the sand to the clay bed.

Sand and clay beds are like those in the undifferentiated sediments of the Arcadia Formation.

The area around Fareham has very unstable soils due to the large clay beds which made the area suitable for brick-making.

The area is known for its clay beds, and locally mined clay is often used by local potters.

The Nivola grouping includes examples from his sand casting, clay bed and Sardinian widow series.

In the centre of the lakes there are salt crusts and on the margins numerous desiccation cracks in the clay beds.

Bricks, tiles and coarse pottery and occasionally firebricks have been made from the clay beds in this formation.

"Because these logs were soaking underwater for 200 or 300 years, they were soaking up the coloration of the clay bed.

The erosion has exposed clay beds in an elliptically-shaped region which is called the buttonhole of the Pays de Bray.

They have a duplex structure with red or brown clayey layer.

Due to the surface charge of the particles a clayey layer may act as a semi-permeable membrane.

The presence of impermeable natural or artificial clayey layers plays a fundamental role in protecting ground water from pollution.

The Lincent Member, a locally lithified, predominantly clayey layer.

The influences of a compacted clay liner and (or) a natural, intact clayey layer below the fractured soil are examined.

A technique for analyzing two-dimensional migration of contaminant from a landfill into a homogeneous clayey layer is described.

Consideration is given to chemical retardation arising from sorption/desorption of contaminant in the clayey layer.

Its grey to yellowish, sometimes reddish beds are between 10 and 20 cm thick and are separated by thin marly or clayey layers.

These purely sedimentary differences become enhanced during diagenesis as the silica leaves the clayey layers and migrates towards the opal-rich horizons.

It is shown that the diffusion of contaminant from the aquifer into the clayey layer will substantially reduce the concentrations of contaminant in the groundwater away from the landfill.

Fortunately, once root development increases at greater depths, the organic matter content and accessibility of this clayey layer can be maintained through intelligent green manuring, postponing for years the need to subsoil again.