argillite

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ar·gil·lite

 (är′jə-līt′)
n.
A metamorphic rock, intermediate between shale and slate, that does not possess true slaty cleavage.

[Latin argilla, argil; see argil + -ite.]

argillite

(ˈɑːdʒɪˌlaɪt)
n
(Geological Science) any argillaceous rock, esp a hardened mudstone
[C18: from Latin argilla clay (from Greek argillos) + -ite1]
argillitic adj

ar•gil•lite

(ˈɑr dʒəˌlaɪt)

n.
any compact sedimentary rock composed mainly of clay materials; clay stone.
[1785–95; < Latin argill(a) clay (< Greek árgillos, derivative of argós white) + -ite1]
ar`gil•lit′ic (-ˈlɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.argillite - a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages
sedimentary rock - rock formed from consolidated clay sediments
References in periodicals archive ?
Interestingly, massive sulphide mineralization appears sandwiched between conductive graphitic argillites.
The clay minerals assemblage in mudstones and sandstones of the Dasht Murgha group Malthanai formation and Bostan formation appears to have been derived from the nearby-exposed Pre-Miocence mafic/ultramafic rocks of the Cretaceous Muslim Bagh-Zhob Ophiolite and argillites of the Eocene Nisai and Oligocene Khojak formations of the Pishin Belt.
OM Concentrates (sapropelites) are extracted from argillites of Bazhenov Suite in Siberian Scientific-Research Institute of Geology, Geophysics and Natural Resources" (Novosibirsk).
This sequence is formed by units of red-orange compact argillites of variable thickness (up to 20 m), interbedded with siltstones and dolomite-limestone beds of cm-scale thickness (Fig.
The Post Oxide ore body occurs in the siliceous siltstones, mudstones, argillites and minor limestones of the Rodeo Creek Formation.
The bedrocks of the study area comprise crystalline basement covered by Vendian argillites, siltstones, clays and sands, gently inclining in a southern direction.
Dolmage (1922) concluded that variations in the average compositions of the different orebodies were dependant upon whether they had developed through the replacement of argillites or of green schists.
Classification, parent materials, localisation in the Sao Paulo State, and sampling depth of soils Soil Classification Parent material 1 Typic Hapludox Sandstone 2 Rhodic Acrudox Argillites 3 Typic Hapludox Schist 4 Rhodic Acrustox Basalt 5 Rhodic Acrudox Diabase 6 Rhodic Acrudox Argillites 7 Typic Hapludox Basalt 8 Typic Hapludox Argillites 9 Xanthic Acrustox Basalt 10 Typic Hapludox Granite 11 Rhodic Acrustox Basalt 12 Xanthic Acrustox Diabase Soil Localisation Depth (m) 1 Aguai 0.
argillites, Niddery Lake map area, Selwyn Mountains, Yukon Territory.