The Ninth International Conference on Geochronology, Cosmochronology and Isotope Geology

This issue is a collection of abstracts which were submitted to the Organizing Committee of the Ninth International Conference of Geochronology, Cosmochronology and Isotope Geology (ICOG-9). It contains 325 abstracts writtenby the isotope geoscientists from 24 countries and regions. As expected fromthe ICOG-9 tradition, these abstracts cover a wide range of isotope geosciencedisciplines. In the meanwhile, we can also see from this issue that isotope studies are focused on world concerned problems, such as global change, sustain-