| Part of Speech | Definition | |
| Expression | 1. (Min.), argillaceous schist; argillite.[Websters]. | |
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Common Expressions: CLAY SLATE
| Expressions | Definition | ||
| Clay slate | (Min.), argillaceous schist; argillite. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
Specialty Expressions: CLAY SLATE
| Expressions | Domain | Definition | |
| Clay slate | Mining | A. A low-grade, essentially unreconstituted slate, as distinguished from the more micaceous varieties that border on phyllite b. A slate derived from an argillaceous rock, such as shale, rather than from volcanic ash; a metamorphosed clay, with cleavage developed by shearing or pressure, as distinguished from mica slate. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
