A new exhibit featuring nearly 300 never-before-seen fossils will open at the New Mexico Museum of Natural History & Science ...
After Keppie (2000). The Appalachian orogen of North America is divisible with some controversy into five tectonolithologic zones which range in age from Late Precambrian through the Early Paleozoic ...
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Carbon dioxide has been regulating Earth's climate for hundreds of millions of years—new studyThe Late Paleozoic ice age has long been a climate enigma. Atmospheric COâ‚‚ estimates for this period vary widely, and different reconstructions of the likely temperature vary by as much as 20°C.
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