Correct Option: E

Igneous rocks are formed from the solidification of molten rock material. There are two basic types: (a) intrusive igneous rocks such as diorite, gabbro, granite, peridotite and pegmatite that solidify below Earth's surface; and (b) extrusive igneous rocks such as andesite, basalt, obsidian, pumice, rhyolite and scoria that solidify on or above Earth's surface.