subgreywacke
subgreywacke is the alternative form of subgraywacke.
Meaning of subgraywacke
Noun
subgraywacke (countable and uncountable, plural subgraywackes)
- The most common type of sandstone, intermediate in composition between orthoquartzite and graywacke, typically composed of 30% to 65% quartz and chert, less than 15% clay matrix, more than 25% unstable materials such as feldspar grains and rock fragments, and voids or mineral cement exceeding the amount of clay matrix, and being lighter colored and better sorted, and with less matrix, than graywacke.
Forms of subgreywacke
| plural | subgreywackes |
|---|
Origin of subgreywacke
From sub- + greywacke.
Questions about subgreywacke
- What is subgreywacke the alternative form of?
- Subgreywacke is the alternative form of subgraywacke.
Words near subgreywacke in the dictionary
Source and license
Adapted from Wiktionary: subgreywacke (page history and authors); subgraywacke (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “subgreywacke.” Word.ws, https://word.ws/subgreywacke. Based on Wiktionary, CC BY-SA 4.0.