Decoupling of the Assimilation and Fractionation Signatures in a MASH Zone: Evidence from the Sierra Valle Fértil Mafic Zone, Argentina

Barry A Walker Jr1, George W Bergantz2, Juan Otamendi3, Mihai Nicolae Ducea4 and Eber Cristofolini3, (1)Washington State University Vancouver, Vancouver, WA, United States, (2)Univ Washington, Seattle, WA, United States, (3)Universidad Nacional de Río Cuarto, Río Cuarto, Argentina, (4)University of Arizona, Geosciences, Tucson, United States