Geology glossary
Xenolith
- VolcanologyAn inclusion of foreign rock in an igneous rock.Xenoliths in volcanic rocks are often pieces of the volcano's (non-volcanic) substratum picked up by, engulfed within and erupted with the rising magma. -> See whole entry
More on VolcanoDiscovery
Tours to erupting volcanoes: From time to time, we organize special tours to see volcanoes in eruption. These are often announced only few days or weeks in advance. Find out more!
Tours by destination: We travel to volcanic areas worldwide: from Greece and Italy, Iceland, to Hawai'i, Japan, Indonesia, Vanuatu. We even offer a Round-The-World tour to volcanoes.
Ambrym+Yasur volcanoes in Vanuatu : An adventurous expedition to some of the most spectacular and active volcanoes in the world! Our volcano expedition to Vanuatu lets you spend 1 week on Ambrym with its multiple active lava lakes and 4 days on Yasur, famous for its spectacular fireworks. Guided by professional volcanologist, small groups (May-Sep).
