DeCelles, Peter G. Detrital zircon U-Pb ages provide provenance and chronostratigraphic information from Eocene synorogenic deposits in northwestern Argentina - Boulder, CO Geological Society of America April 2007 - pp. 323-326 ilus. Subjects--Topical Terms: CRONOESTRATIGRAFIADATACION U-PBGEOCRONOLOGIASEDIMENTACIONZIRCON Subjects--Geographic Terms: ANDESARGENTINA