Locations of individual study areas are described in the text. After Keppie (2000). The Appalachian orogen of North America is divisible with some controversy into five tectonolithologic zones which ...

A new exhibit featuring nearly 300 never-before-seen fossils will open at the New Mexico Museum of Natural History & Science ...

Titled "Ancient Life," it tells the story of what life was like in what is now New Mexico 300 million years ago in the Paleozoic Era, when it was near the Equator, next to multiple seas, and had ...

The Late Paleozoic ice age has long been a climate enigma. Atmospheric CO₂ estimates for this period vary widely, and different reconstructions of the likely temperature vary by as much as 20°C.