Mountain Ridge
Mountainous red badlands.
Ground Cover: Red Rock
Trees: None
Plants: Brown Grass
Fauna: None
Temperature: Hot
Humidity: Arid
ExtrabiomesXL list of other biomes- https://github.com/ExtrabiomesXL/ExtrabiomesXL/wiki/List-of-Biomes
As mountain ridge contains Red Rock, it's a great source of Calcite Dust and Flint.