Chemostratigraphy indicates a relatively complete Late Permian to Early ... Science Codex The Permian-Triassic mass extinction is the largest in Earth's history. In the United States, the record of this critical geobiologic interval was long thought to be absent at a major sedimentary hiatus. Matthew R. Saltzman and Alexa R.C. Sedlacek ... |
Tuesday, February 19, 2013
Chemostratigraphy indicates a relatively complete Late Permian to Early ... - Science Codex
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