Lava Geysers is lava that shoots up in the air like a water spout or a sand geyser.
Mario Kart Wii, Mario Kart 8, and Mario Kart 8 Deluxe
In the Mario Kart series, the Lava Geysers are obstacles.
Super Mario 3D Land
In the level World 8-Bowser, there are Lava Geysers that sprout out of the lava that appear in the background only.