New Trace Element and Isotopic Constraints on the Genesis of Andesites and Dacites of the Quaternary Austral Volcanic Zone of the Andes
R. Kilian and Ch. Stern
Minerlogisch-Petrographisches Institut, Universität Heidelberg, 69120 Heidelberg, Germany
Department of Geological Sciences, University of Colorado at Boulder, Colorado 80309-0250, USA