Chert (Noun)
Meaning
Variety of silica containing microcrystalline quartz.
Classification
Nouns denoting substances.
Examples
- Chert is a cryptocrystalline form of silica that occurs as concretionary bodies in limestone and dolostone.
- In some regions, chert bands are used as valuable indicators for determining the geological age of sedimentary formations.
- Chert can take on various colors ranging from white to black, depending on the presence of other minerals.
- Flint is a type of chert that is particularly prized for its fine-grained texture and conchoidal fracture pattern.
- Geologists often analyze chert layers and nodules for clues about ancient marine environments and fossil ecosystems.