Basic Guidelines For English Spellings
A sedimentary rock that does not split easily, formed from consolidated clay.‘The Nelson mineral belt was rich in argillite, a dark stone which made fine tools.’
- ‘Bear images were carved into blocks of argillite, claystone, and wood or sculpted from clay, with the creative three-dimensional transformations displaying a remarkably naturalistic style.’
- ‘Low water levels reveal carved layers of green and red argillite.’
Late 18th century from Latin argilla ‘clay’+ -ite.
Are You Learning English? Here Are Our Top English Tips