KnowraMudstoneLinked fromLinked fromThe 6 pages that link to Mudstone, each with the reason it gives.All 6Broader topic 2Related 1Compared with 3ShaleCompared with: Its similar composition but weaker tendency to split separates it from shale.SiltstoneCompared with: Mudstone may contain silt, but its broader grain mixture distinguishes it from siltstone.GreywackeCompared with: Mudstone consists mostly of fine grains, unlike greywacke’s sand-sized grains within a muddy matrix.