1. relating to or containing peridot, a green olivine mineral
Usage: geological
2. of or relating to peridotite, a coarse-grained igneous rock composed mainly of olivine
Usage: geological

Examples

• The peridotic rocks found in the mantle contain high concentrations of olivine.
• Geologists identified peridotic minerals in the volcanic samples.
• The peridotic composition of the rock indicated its deep mantle origin.
• Peridotic xenoliths provide insights into the Earth’s upper mantle structure.
• The mining operation focused on peridotic deposits rich in olivine crystals.