Coral dating
![](https://eatlas.org.au/sites/default/files/styles/m_very_large/public/shared/nerp-te/1-3/265_nerp-te-image1-1-3.jpeg?itok=a-_Q2yZg)
© courtesy Jian-xin Zhao
Description
Dead coral fragments are dated using uranium-series at the Radiogenic Isotope Facility, The University of Queensland, to determine the timing of coral mortality events and other important ecological changes in reef communities.