graywackes (0 synonym found)

We don't have synonyms for graywackes yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are graywacke, greywacke and grauwacke.


We don't have any synonyms for graywackes yet.

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Definition of graywackes:

(n) : Alternative form of greywacke. [(geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.]

Definition of graywackes:

(n) : Alternative form of greywacke. [(geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.]

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