Etched into the rock were wandering grooves, features typically found in marine environments. Yet, even during the Middle Devonian period, this land had never been covered by an ocean.

Learn about the time period that took place 416 to 359 million years ago. 4 min read When the Devonian period dawned about 416 million years ago the planet was changing its appearance. The great ...

ALPENA, MI – This state park is the perfect place to take your rock hunting hobby to the next level. Rockport State Recreation Area is known to have exposed fossils from the Devonian period ...