Answer:
Peridotite consists of pyroxene and olivine.
Step-by-step explanation:
- The igneous rock that has proxies and olivines is ultramafic in character and rock s rich in 45% of silica, showing high proportions of magnesium-rich olivine. Being a dominant rock of the upper part of the mantel.
- Olivine is magnesium and pyroxenes are chains of silicates. These are related to ultra magic rocks as their mineral composition is of plagioclase, spinel and the garnet.