Mudstone

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These are some of the oldest rocks in the Dingle Peninsula, being Silurian in date. They consist of mudstones and siltstones with some volcanic material (County Kerry)

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.

References [change]

  1. ↑ Blatt H; Middleton R; Murray 1980. Origin of sedimentary rocks. 2nd ed, Prentice Hall, Englewood Cliffs, N.J. ISBN 0136427103


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