noun
- plural of peridotite: coarse-grained igneous rocks composed mainly of olivine and pyroxene, found in the Earth’s mantle
Usage: geological
Examples
- The geologist collected samples of peridotites from the exposed mantle rock.
- Peridotites are important for understanding the composition of the Earth’s interior.
- The mountain range contained several outcrops of peridotites.
- Scientists study peridotites to learn about mantle processes.
- These peridotites formed deep within the Earth before being brought to the surface.
- The dark green peridotites contrasted sharply with the surrounding limestone.