ఒక అవక్షేప రాక్ సిలికా ద్వారా కట్టుబడి మరియు ఒక స్లేట్ క్లావాజ్,

argillite's Usage Examples:

Carboniferous to Lower Jurassic volcanic rocks, carbonate rocks, coarse clastic rocks and small amounts of ultramafic rock, chert and argillite.

This mud could be in fact this sort of clay, called argillite, which was use during ancient history to produce pottery.

name refers to argillite, a type of stone, related to shale.

Metamorphism of argillites produces slate, phyllite, and pelitic schist.

Haida argillite carvings are a sculptural tradition among the Haida indigenous nation of the Northwest Coast of North America.

meters (3,300 ft) thick Permian Polarstar Formation consisting of black argillite, siltstone, sandstone, and coal.

Wellington to East Cape, and is composed primarily of Cretaceous greywacke, argillites, siltstones and sandstones.

the source of a rare black form of argillite used in Haida art.

In addition there are sandstones, argillites, hornfels, carbonate breccias (rauhwackes) and volcanic tuffs.

Tonzona Group composed of black slates and argillites, and the Tatina Group composed on black slates, argillites, greywackes, and interbedded limestones.

The sedimentary basins have isoclinal folding and contain dacite volcaniclastic rocks, greywacke and argillite.

Island consist of mudstone and a light green brittle sillicaceous argillite.

Graptolitic argillite (also known as dictyonema argillite, dictyonema oil shale, dictyonema shale, or Tremadocian black shale) is a marinite-type black.