salt flat; salt pan
Geological term for a flat expanse of ground covered with salt and other minerals, formed by evaporation of a water body.
The Salar de Uyuni in Bolivia is one of the world's largest salt flats.
塩原 is a more general term for a salt field or salt pan, while 塩類平原 specifically refers to a geological salt flat or playa.
Compound of 塩類 (enrui, 'salts') and 平原 (heigen, 'plain'). A straightforward descriptive term for a salt flat.