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1. (n.) argillite
any compact sedimentary rock composed mainly of clay materials; clay stone.
Etymology: (1785–95; < L argill(a) clay (< Gk árgillos, der. of argós white) + -ite1)
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| Definition of 'argillite' |
Princeton's WordNet |
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1. (noun) argillite
a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages
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| Definition of 'argillite' |
Webster Dictionary |
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1. (noun) argillite
argillaceous schist or slate; clay slate. Its colors is bluish or blackish gray, sometimes greenish gray, brownish red, etc
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