Results for shale

Definitions of shale:

part of speech: noun

A rock of a slaty structure, often found in the coal- measures.

part of speech: noun

A shell or husk; in geol., argillaceous strata that exhibit a laminated structure, and split into irregular plates- some varieties being bituminous, others calcareous, arenaceous, & c.

part of speech: noun

A rock which is formed of clay and which is easily split.

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