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 ...

She explained: "To date our Devonian age rocks have only provided evidence of a marine environment but it’s very exciting to think we now have evidence of volcanic islands and trees too.

The late Devonian period was characterized by many environmental changes ... Many scientists think a key culprit was widespread volcanic activity. Global warming triggered by heavy volcanic activity ...

She added: "To date, our Devonian age rocks have only provided evidence of a marine environment. But it's very exciting to think we now have evidence of volcanic islands and trees too." ...