clay shale

noun

A sedimentary rock composed primarily of clay minerals and silt-sized particles.

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Meanings

nounclay shale (usually uncountable, plural clay shales)

plural clay shales

  1. uncountableusuallyA sedimentary rock composed primarily of clay minerals and silt-sized particles.
Cite this entry
APA

clay shale. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/clay%20shale

MLA

“clay shale.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/clay%20shale. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “clay shale,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/clay%20shale.

Source: clay shale on Wiktionary, CC BY-SA 4.0.