This process, known as permineralization, has allowed these fossils to survive for millions of years, providing scientists with valuable insights into the ancient marine ecosystems that once ...

Mineral-rich groundwater subsequently permeated the buried remains, replacing organic materials with minerals through permineralization, essentially turning the biological remains to stone while ...

Professor was thrilled when he saw 80 to 100 million-year-old cone fossils. The fossils at the Natural History Museum at ...