View example sentences, synonyms and word forms for Chert.
Chert meaning
Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral. | A flint-like tool made from chert.
Synonyms of Chert
Example sentences (6)
The DGB is characterised by a deeply weathered, metamorphosed succession of Archaean mafic, ultramafic, and felsic volcanic rocks with associated volcanogenic sedimentary rocks and thin units of banded chert and banded iron formation.
Although the most distinctive variety is red, Kodiak outcrops also contain green and grey chert.
Flint (a type of chert unique to chalk) is very common as bands parallel to the bedding or as nodules embedded in chalk.
Grains can include quartz or chert rock fragments.
It includes large flint and chert bifacials that may be of Heavy Neolithic origin.
The oxygen then combined with dissolved iron in Earth's oceans to form insoluble iron oxides, which precipitated out, forming a thin layer on the ocean floor, which may have been anoxic mud (forming shale and chert).