argillaceous

The damp argillaceous soil gave way under their feet.

The main rock soil components are granite and argillaceous slates.

Its ground is argillaceous and sandy by places.

It also contains important subsidiary elements of silty and argillaceous material.

Clay An argillaceous compound with plastic characteristics when wet.

This term is confined to argillaceous, or clay-bearing, rock.

It becomes more argillaceous to the west.

However, most of them are argillaceous and have limited porosity and permeability.

Because of the argillaceous soil around the spa, it is called "Clay Bath".

The texture of the soil is rather fine and rests on an impermeable argillaceous (clay) base.

The cementing material may be siliceous or argillaceous and is sometimes calcareous.

It is black, hard, and argillaceous shale.

The peculiarity of the vineyard is that the vines grow in slightly argillaceous sand soil.

Because it is argillaceous, the lime is hydraulic.

The Lynx Formation is composed of argillaceous and dolomitic limestone.

Argillaceous materials may be compacted by mere pressure, like graphite and other scaly minerals.

It may be fine and coarse-grained and contain siliceous or argillaceous components.

Above is the less argillaceous Grey Chalk.

Organic matter in the form of amorphous kerogen coats the argillaceous material.

It is composed of argillaceous siltstone, very fine grained sandstone and limestone.

The copper deposits are usually surrounded by residue of argillaceous soil and sandy loam.

The limestone is white and argillaceous, and yielded an eminently hydraulic lime.

The adjective "argillaceous" is also used to define rocks in which clay minerals are a secondary but significant component.

The upper part of this formation tends to be argillaceous, and the thickest clean sandstones are in the lower section.

Cordierite typically occurs in contact or regional metamorphism of argillaceous rocks.