👉 Fossiliferous is a geological term that refers to rocks or minerals that have been transformed from their original forms through the process of weathering, erosion, and metamorphism. It is typically formed by the transformation of organic material into inorganic materials during the Early Cretaceous period (about 65 million years ago) when the Earth was about 20-30 miles above sea level. In this context, "fossiliferous" refers to rocks or minerals that have been
