chert
chert
Definition
chert (c̸hʉrt)
noun
an extremely dense type of quartz, including jasper and flint, having a dull, opaque luster and made up of microscopic crystals
Etymology: < ?
chert′y (-ē) adjective chert′i·er, chert′i·est
chert
Usage Examples
Adjective modifier
- black: The upper beds of the third limestone are often dark colored, and contain layers of black chert in nodules.
- gray: The pieces of gray chert were found on the tourist path below slopes too steep for human habitation.
- opaline: Figure 5. The aging process of Casa Montero's cherts: X-Ray diffraction pattern of opal and opaline chert obtained from the same nodule.
- white: In fewer instances, layers of the limestone seem to be converted into white chert, called china stone.
Modifies a noun
- nodule: A perfect solution tube can be seen in the roof and large chert nodules abound.
- grit: GW3 Thick walled, numerous small to medium chert grits, some small cavities, quartz dust in the clay matrix.
- fragment: Grits comprise medium and large angular chert fragments, with a few very small to large cavities from former grits.
- cobbles: Below, there is an accumulation of chert cobbles belonging to the terrace deposits.
- pebble: Not all the material is rounded, the flint and chert pebbles becoming more angular with depth ( Carr and Blackley 1969 ).
- flake: A single chert flake was visible at the surface of the feature.
Noun used with modifier
- radiolarian: However, in comparison to Group 4, radiolarian chert is virtually absent.
Browse dictionary entries near chert
- chersonese
- cherrystone
- cherry tomato
- cherry plum
- cherry picking
- cherry picker
- cherry-pick
- cherry laurel
- Cherry Hill
- cherry bomb
- cherub
- Cherubini
- chervil
- Cheryl
- Chesapeake
- Chesapeake Bay
- Cheshire
- Cheshire cat
- Cheshire Catalyst and TAP
- Cheshvan
