land.volcanic.lava-field
Lava fields, obsidian flows: Lava fields (aa and pahoehoe), obsidian flows. Posts that touch land.volcanic.lava-field. See it in the Atlas ontology.
Atlas #12 · Reading the island
Lava Turned into Squares on the Map
Near Dhundsar, hot rock filled Atlas's map with orange squares and angular channels. Closer views revealed a landscape competing with its own pattern.