An Introduction to Hypogene Karst Regions and Caves of Iran

Abstract Iran is divided into five major geologic zones—the Zagros, Sanandaj-Sirjan, Central Iran, the East and Southeast, and the Alborz. About 10.5% of the country is underlain by carbonate rock formations, chiefly in a broad western strip, in the northeast, and central parts. Geomorphologic investigations have found clear differences between the extent and intensity of karst surface landform development, karst being more abundant in wetter …