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Related to Grauwacke: Greywacke


Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Gesner's reports will be able to understand what he meant by the terms serpentine, and grauwacke, trap and other obsolete terms of the geological literature" (Matthew 1890, p.
[10.sup.9] dans le till recouvrant la grauwacke de la Formation de Goldenville.