EISCO Raw Diorite, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms: Amazon.com: Industrial & Scientific
Geology for Beginners - Igneous rocks are formed by the solidification of magma (Intrusive)/ lava (Extrusive). The intrusive rocks are Gabbro, Granite and Diorite and extrusive rocks are Basalt, Rhyolite and Andesite.
Solved Match each of the unknowns with the list of igneous | Chegg.com