graywacke in a sentence

Definition

Graywacke is a coarse-grained sedimentary rock composed mainly of sand-sized particles and clay, typically formed in turbulent environments.

Graywacke is often found in sedimentary formations, indicating a turbulent depositional environment.
Geologists analyze the composition of graywacke to understand the tectonic history of an area.
The dense, hard nature of graywacke makes it a popular choice for construction materials.
In the rock cycle, graywacke can eventually transform into metamorphic rock under intense pressure.
Many coastal cliffs are composed of graywacke, showcasing its resilience against erosive forces.