Gabbro used in a sentence

Gabbro in a sentence as a noun

Much of the world's vanadium production is sourced from vanadium-bearing magnetite found in ultramafic gabbro bodies.

By contrast, more mafic rocks, such as tonalite, gabbro and diorite, have 1 to 5 ppm uranium, and limestones and sedimentary rocks usually have equally low amounts.