A to Z of Geological Terms - U
Ultramafic.
No, I didn't know of it either so here y'all go: "An igneous rock composed of mainly olivine and pyroxene; it forms an important part of oceanic crust."
Ultramafic.
No, I didn't know of it either so here y'all go: "An igneous rock composed of mainly olivine and pyroxene; it forms an important part of oceanic crust."