chert
pronunciation
How to pronounce chert in British English:
UK [tʃɜ:t]
How to pronounce chert in American English:
US [tʃɜt]
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- Noun:
- variety of silica containing microcrystalline quartz
Word Origin
- chert (n.)
- "flint-like quartz," 1670s, of unknown origin. Apparently "a local term, which has been taken into geological use" [OED].
Example
- 1. A single pore between chert granules in a rock formation in ontario province , canada , shows off its colors in this photomicrograph .
- 2. Pure siliceous ooze , a diagenetic environment for early chert formation .
- 3. Paleontologists know chert as a good place to look for fossils .
- 4. Bernal heights natural area , a 24-acre knob of red franciscan chert that rises from a sea of colorful row houses like the prow of a ship , has a 360-degree view of san francisco in its pastel glory .