Contains

• limestone

  A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine...

• shale

  A sedimentary rock formed by the deposition of successive layers of clay.

• arenaceous rock

  A sedimentary rock composed of sand.

• rudaceous rock

  A sedimentary rock formed of coarse-grained material.

• argillite

  A sedimentary rock differing from shale in being bound by silica and from slate in having...

• argillaceous rock

  A sedimentary rock formed from clay deposits.

• slate

  A fine-grained metamorphic rock that can be split into thin layers.