How Is Diorite Formed - It forms when a basaltic magma melts and. It usually occurs as quite. Web diorite formed deep within the earth’s crust from cooling magma that never made it to the surface. Web diorite is an intrusive igneous rock composed of plagioclase feldspar and mafic minerals.
It usually occurs as quite. Web diorite is an intrusive igneous rock composed of plagioclase feldspar and mafic minerals. It forms when a basaltic magma melts and. Web diorite formed deep within the earth’s crust from cooling magma that never made it to the surface.