adjective
- of, relating to, or composed of gabbro (a dark igneous rock formed from magma)
Usage: geology; technical
Examples
- The gabbroic intrusion was identified by its dark mineral composition and coarse crystalline texture.
- Geologists studied the gabbroic rocks to understand the cooling history of the magma chamber.
- The gabbroic layer beneath the ocean floor contains significant mineral deposits.
- This gabbroic formation is characteristic of mid-ocean ridge basalts.