What are all the diffrent types of igneous rocks?
There are three main types of igneous rocks. Plutonic means it is of magnetic origin. It is intrusive. Examples of this include granite, gabbro and peridotite. Another type is volcanic. This means it is produced from lava and is extrusive, including rhyolite or basalt. Pyroclastic means it formed from particulate material violently ejected from a volcanoe.