subgraywacke
subgraywacke noun: 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.
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 subgraywacke
| plural | subgraywackes |
|---|
Origin of subgraywacke
From sub- + graywacke.
Questions about subgraywacke
- What does subgraywacke mean?
- Subgraywacke means 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.
- What part of speech is subgraywacke?
- Subgraywacke is a noun.
- What is the plural of subgraywacke?
- The plural of subgraywacke is subgraywackes.
Words near subgraywacke in the dictionary
Source and license
Adapted from Wiktionary: 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: “subgraywacke.” Word.ws, https://word.ws/subgraywacke. Based on Wiktionary, CC BY-SA 4.0.
