Category:Lava tubes
From Infogalactic: the planetary knowledge core
Lua error in package.lua at line 80: module 'Module:Category main article' not found. Lava tubes are caves which are formed in volcanic rock. They are usually the voids left when the molten lava cools and contracts.
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Pages in category "Lava tubes"
The following 13 pages are in this category, out of 13 total.