greywacke
Pronunciation
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Pronunciation
- (British) IPA: /ˈɡɹeɪwakə/
greywacke
- (geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.
- Russian: граува́кка
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.020