Greywacke
Definition, Meaning & Examples
Pronunciation /ˈɡɹeɪ.wak.ə/ · Part of speech noun
Quick meaning: Greywacke is a noun meaning (geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.
Meaning
(geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.
Example Sentences
Endless bleak, rounded hills composed of shales and ribs of tough ‘greywackes’ make up the Southern Uplands – all of such rocks were originally deposited under marine conditions.
Word Forms
- greywackes
Related Words
Related dictionary entries include graywacke, subgraywacke, grauwacke, subgreywacke, wacke, metagraywacke.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.