Amateurs, too, can look at local rocks to learn about what life was like in the Ordovician Period, 505 to 438 million years ago. Some of our area's unique geological features and the processes that ...

The glacial outwash then forms an outwash plain ... two-sided jigsaw blade. In life, the rhabadosome was suspended from a "float" by a slender thread called a nema. Late Ordovician Period - The ...

Researchers have uncovered a golden-colored, 450-million-year-old fossil of a new arthropod species, preserved in fool’s gold ...