Posted in Web Volcanic Ash Preserved Trilobite Fossils in Surprising Detail at … June 29, 2024 The animals had been buried in modern-day Morocco after volcanic ash blanketed them underwater more than 500 million years ago. This preservation created 3D fossils that revealed several new … https://www.smithsonianmag.com/smart-news/volcanic-ash-preserved-trilobite-fossils-in-surprising-detail-at-prehistoric-pompeii-180984629/