Dark fine-grained sedimentary rock composed of layers of compressed clay, mud or silt

While searching our database we found 1 possible solution for the: Dark fine-grained sedimentary rock composed of layers of compressed clay, mud or silt crossword clue. This crossword clue was last seen on 25 December 2022 Mirror Quiz Crossword puzzle. The solution we have for Dark fine-grained sedimentary rock composed of layers of compressed clay, mud or silt has a total of 5 letters.