adjective
- of, relating to, or containing pyroxene (a silicate mineral group common in igneous rocks)
Usage: geology; technical
Examples
- The pyroxenitic composition of the basalt sample indicated it formed from high-temperature magma.
- Geologists identified the pyroxenitic minerals in the metamorphic rock.
- The pyroxenitic texture of the igneous intrusion suggested rapid cooling.
- This pyroxenitic gabbro contains significant amounts of augite and orthopyroxene.