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Mudstone

From Simple English Wikipedia, the free encyclopedia
These are some of the oldest rocks in theDinglePeninsula, beingSilurianin date. They consist of mudstones andsiltstoneswith some volcanic material (County Kerry)

Amudstoneis asiliciclasticsedimentary rockwhich has a mixture ofsilt- andclay-sized particles (at least 1/3 of each).[1]So, a mudstone is a type ofmudrockwith a more varied grain size than eithersiltstonesorclaystones.

Alternatively, some sources say it is asynonymformudrock.[2]

Claystone in Slovakia

Claystone[change|change source]

Aclaystoneis amudrockwhich 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 amillimeter.

Related pages[change|change source]

References[change|change source]

  1. ↑Blatt H; Middleton G & Murray R. 1980.Origin of sedimentary rocks.2nd ed, Prentice Hall, Englewood Cliffs, N.J.ISBN 0-13-642702-2
  2. ↑Kearey P.The new Penguin dictionary of geology.London: Penguin Books. p176
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