adjective
- containing more chert; resembling or composed largely of chert (a hard, fine-grained sedimentary rock).
Usage: geology; comparative form of cherty
Examples
- The chertier layers of the formation contained more flint nodules.
- This rock sample is chertier than the one we examined yesterday.
- Geologists identified the chertier deposits as evidence of ancient silica-rich environments.
- The chertier portions of the limestone were harder to break apart.