description Xenolith Cave Overview
Xenolith Cave is a lava tube in El Malpais National Monument in New Mexico. It formed in basaltic volcanic terrain, where a lava tube is created when the surface of a flowing lava stream cools and hardens while molten material continues moving beneath it. The cave's distinguishing feature is the presence of xenoliths, which are pieces of rock enclosed within the surrounding volcanic rock. It is relevant to the study of lava-tube formation and volcanic geology.
help Xenolith Cave FAQ
Where is Xenolith Cave?
Xenolith Cave is in El Malpais National Monument in New Mexico. It formed in the monument’s basaltic volcanic terrain.
What is a xenolith in Xenolith Cave?
A xenolith is a piece of older rock enclosed within a volcanic rock such as basalt. The cave’s name points to these foreign rock inclusions as a distinguishing geological feature.
How do lava tubes such as Xenolith Cave form?
A lava tube forms when the surface of a flowing lava stream cools and hardens while molten lava continues moving beneath it. After the molten material drains away, an underground passage can remain.
Is Xenolith Cave suitable for a casual walk?
It is a natural lava tube rather than a smooth, built visitor tunnel, so conditions can include darkness, uneven basalt, and restricted passages. A helmet and dependable lighting are appropriate for underground exploration.
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