Biosignatures & Paleobiology: July 2018

Sleuthing by a Rice University postdoctoral fellow is part of a new Nature paper that gives credence to theories about Earth's atmosphere 1.4 billion years ago.

The banded iron formation, located in western China, has been conclusively dated as Cambrian in age. Approximately 527 million years old, this formation is young by comparison to the majority of discoveries to date.