Scientists Discover a 100-Million-Year-Old Volcanic System Hidden Beneath Iran

A 100-million-year-old volcanic arc in Iran holds clues to the history of a vanished ocean whose closure helped shape the Middle East. An ancient volcanic system in northwestern Iran became difficult to recognize as tectonic deformation, erosion, and burial altered its geological record. Younger magmatic activity during the Eocene further obscured the evidence. Researchers have [...]