Sentence examples for colour clay from inspiring English sources

Helen's interest in metals comes from a class in ceramics: 'We used metal oxides to colour clay.

They differ from unweathered parent material in their aggregate structure, colour, clay content, carbonate content, or other properties that give some evidence of soil-forming processes.

The method consists of coating a clay vessel in darker coloured clay and scratching a design through the coating with a nib to reveal the contrasting colour below.

The effect was achieved either by combing slips of contrasting colours (i.e., mingling the slips after they had been put on the pot, by means of a comb) or by mingling differently coloured clays.

Choose two colours of clay, making sure they are almost the same or match really well.

The slip was sometimes carved away, revealing the contrasting colour of the clay body beneath.

The colour of structural clay products may be natural or applied.

It correlates with the content of free Fe2O3 (FeDCB in fine earth), the colour index, the clay illuviation index and the smectite/(chlorite+illite) ratio.

Sequel to field identification and description of the diagnostic horizons, the palaeosols were analysed using routine laboratory procedures for properties including particle size distribution, pH, calcium carbonate content, colour, elemental geochemistry, clay mineralogy and micromorphology for detailed characterisation and classification.

These spectra provide an integrative technique that measures the fundamental characteristics and composition of the soil, including colour, iron oxide, clay and carbonate mineralogy, organic matter content and composition, the amount of water present and particle size.

People also apply crimson powder (red colour) and fine clay to stop bleeding from the wound.