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9 November 2025
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Created page with "== Overview == Siltstone is a sedimentary rock primarily composed of silt-sized particles. It is a form of mudrock, along with its coarser cousin, sandstone, and its finer cousin, claystone. Siltstones differ significantly from sandstones due to their smaller pores and higher propensity for containing a significant clay fraction. Although they are often confused with shales, siltstones do not split into thin layers as shales do. <div class='only_on_desktop..."
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