Yitong basin is a big inland basin which was formed in Cainozoic.Chaluhe depression, which lies in the Yitong, is a promising area for long-term oil and gas reservoir exploration.

• 伊通盆地是一个较大的新生代内陆裂陷型盆地，其中的岔路河断陷为中长期油气储量接替勘探区。