Phosphate deposits in south-western Iran are part of the South Tethyan Phosphogenic Province. a huge carbonate-dominated strata that extends to the Middle East. The Tethyan phosphorites of Iran are dated Eocene-Oligocene (Pabdeh Formation) and categorized as low-grade ore deposits on a global scale. Depositional conditions of the facies indicate that the Pabdeh Formation was deposited... https://www.roneverhart.com/Atma-s-Wail-East-Non-Ladder/