Mudstone
(Redirected from Claystone)
A mudstone is a siliciclastic sedimentary rock which has a mixture of silt- and clay-sized particles (at least 1/3 of each).[1] So, a mudstone is a type of mudrock with a more varied grain size than either siltstones or claystones.
Alternatively, some sources say it is a synonym for mudrock.[2]
Claystone
[change | change source]A claystone is a mudrock which does not split easily.
In order for a rock to be a claystone, it must be up to half (50%) clay, whose particles measure less than 1/256th of a millimeter.
Related pages
[change | change source]References
[change | change source]- ↑ Blatt H; Middleton G & Murray R. 1980. Origin of sedimentary rocks. 2nd ed, Prentice Hall, Englewood Cliffs, N.J. ISBN 0-13-642702-2
- ↑ Kearey P. The new Penguin dictionary of geology. London: Penguin Books. p176
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