GRAYWACKE
- A dark coarse-grained sandstone containing more than 15 percent clay
- any coarse-grained, usually dark sandstone containing angular mineral and rock fragments in a fine-grained clayey matrix also GREYWACKE, WACKE [n -S]
Previous Words
GRAYMAIL GRAYMAILS GRAYNESS GRAYNESSES GRAYOUT GRAYOUTS GRAYS GRAYSCALE GRAYSTONE GRAYSTONESNext Words
GRAYWACKES GRAYWATER GRAYWATERS GRAYWETHER GRAYWETHERS GRAZABLE GRAZE GRAZEABLE GRAZED GRAZER
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