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 “demon-toothed” sea creature with “large, well-spaced fangs” has been identified as a new species after a researcher found a fossilized partial skull in the New Mexico desert, officials said. The ...

Researchers from the Faculty of Science and Technology of the University of Coimbra (FCTUC) announced the discovery of a ...