What is the term for the flat, sediment-covered floor of a desert basin where temporary lakes frequently form and evaporate, leaving behind salt crusts?

💡 Solution & Explanation

A playa is the flat, sediment-covered floor of an undrained desert basin where intermittent water accumulations evaporate and deposit layers of salt and silt. Terms like erg refer to extensive sand seas, while reg describes stony desert plains and barchans are crescent-shaped sand dunes.