Sentence examples for mainly of clay from inspiring English sources

The one‐mile oval here is composed mainly of clay and some stone dust.

The overburden consists mainly of clay, sand, and sandstone of varying thicknesses.

The clay fraction is made up mainly of clay minerals, laminates of electro-chemically bound phyllosilicates.

Chemical weathering of the basement and surrounding volcanic rocks has produced thick unconsolidated sediments mainly of clay to sand sizes (Wirmvem et al. 2013).

Mineral matter occurs in moderately high concentration (18.3 % 25.6%%) which comprises mainly of clay minerals while carbonates and sulphides occur in low concentration.

With the exception of the small hills and inselbergs, the bedrocks are generally covered by weathered regolith composing mainly of clay and sandy materials which are capped by lateritic soil in places depending on the bedrock types.

Below, the Marnes Irisées supérieures is composed mainly of clays, calcareous clays, argillaceous marls and dolomitic clays interbedded with dolomite bed.

The Jurassic starts at the lower Dogger with the Formation de Gundershoffen and the Formation de Printzheim (Toarcian), composed mainly of clays and silty clays.

The area's geology consists mainly of deep clay, or clay mixed with a dark-colored loam.

The inner zone of mud is characteristic of the continental shelf near the Mekong and Red river deltas, while the sediment of the deeper parts of the South China Sea is mainly composed of clay.

In all cores from the Gyra fan and the adjacent lagoon, the coarse-grained sequence is covered by greyish or brownish, homogeneous sediments, mainly consisting of clay and silt.