Important request: The IUGS/IAGC Task Group on “Global Geochemical Baselines” seeks to have contacts in every country. Therefore, each national geological survey, or relevant earth science institute, is encouraged to nominate its representative by sending his/her name and contact details to David B. Smith [E-mail: dsmith@usgs.gov] or Alecos Demetriades [E-mail: ademetriades@igme.gr].