Mud
Shale
Shale noun - A sedimentary rock formed by the deposition of successive layers of clay.
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Synonyms for Shale
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Shale and Mud. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/mud/shale
Mud & Shale. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/mud/shale>.
Shale or Mud. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/mud/shale.
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