chert

(redirected from Radiolarite)
Also found in: Thesaurus, Encyclopedia.
Related to Radiolarite: radiolarian chert

chert

 (chûrt)
n.
1. A variety of silica that contains microcrystalline quartz.
2. A siliceous rock of chalcedonic or opaline silica occurring in limestone.

[Origin unknown.]

chert′y adj.

chert

(tʃɜːt)
n
(Minerals) a microcrystalline form of silica usually occurring as bands or layers of pebbles in sedimentary rock. Formula: SiO2. Varieties include flint, lyddite (Lydian stone). Also called: hornstone
[C17: of obscure origin]
ˈcherty adj

chert

(tʃɜrt)

n.
a compact rock consisting essentially of microcrystalline quartz.
[1670–80; orig. uncertain]
chert′y, adj.

chert

(chûrt)
A hard, brittle, reddish-brown to green sedimentary rock consisting of very small crystals of quartz.

chert

A type of sedimentary rock made up of of tiny quartz crystals.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chert - variety of silica containing microcrystalline quartz
taconite - a variety of chert containing magnetite and hematite; mined as a low-grade iron ore
silica, silicon dioxide, silicon oxide - a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
Translations

chert

n (Min) → Kieselschiefer m, → Feuerstein m, → Hornstein m; (Build) → Gneiszuschlag(stoff) &, Feingranitzuschlag m (für Sichtbeton)
References in periodicals archive ?
The Neolithic radiolarite mining site of Wien--Mauer-Antonshohe (Austria), in K.
The high Zagros unit (or Crush Zone) has three separate subunits, which consists of the Biston limestone (Upper Cretaceous-Lower Triassic), the Kermanshah ophiolite, and the Bakhtaran radiolarite.
The association of serpentinite, diabase, and radiolarite led to the terra "Steinmann's trinity", which then spread through the literature.
The nearest artefacts to this cluster were one chert burin in Layer 5 (Square B) and a radiolarite leafpoint in Layer 7 (Square A).
2] and includes Serpentinized Pridotites Harzburgite, micro-gabbro dykes, listvenite dykes, sheeted dykes, pillow lavas, metamorphic rocks, calcareous schists, and upper cretaceous radiolarite cherts.