Igneous or magmatic rocks The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
Types of tours We offer a broad variety of tours to volcanic areas: volcano expeditions and specials, discovery tours with hiking, photography, nature and culture, pilot tours and private custom tours.
Sources:VolcanoDiscovery / VolcanoAdventures and other sources as noted. Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.