The Qom Formation is the main objective beds for oil and gas exploration of the basin, thus, correct age determination of the Formation is of great significance.

• 对伊朗中伊朗盆地卡尚地区库姆组的微体化石样品分析,不仅发现了新的有孔虫和介形虫化石组合,而且还首次发现了较丰富的钙质超微及少量的沟鞭藻化石。