Astrobiology: 3.5 Billion-year-old Bacterial Ecosystems Found In Australia
Tuesday, November 12, 2013 - 16:40
in Earth & Climate
Mapping the rise of life during the period of Earth's early history is challenging. Earth's oldest sedimentary rocks are not only rare, but have almost always altered by hydrothermal and tectonic activity. But sometimes there are dramatic finds. A new study has revealed the well-preserved remnants of a complex ecosystem in a nearly 3.5 billion-year-old sedimentary rock sequence in Australia. read more