adjective
- located beneath the earth’s crust
Usage: geological
Examples
- The subcrustal magma chamber feeds the volcanic system above.
- Scientists study subcrustal processes to understand plate tectonics.
- Subcrustal temperatures can exceed 1000 degrees Celsius.
- The earthquake originated in subcrustal rock layers.
- Subcrustal materials are under immense pressure and heat.
- Researchers use seismic waves to map subcrustal structures.