Berg, Karsten U-Pb and Rb-Sr isotopic systematics of metasedimentary rocks from Quebrada Las Animas (26°25'S), coastal range, Chile - Santiago Universidad de Chile, Escuela de Geología 1985 - pp. 19-25 ISSN: 0069-357X Subjects--Topical Terms: DATACION RB-SRDATACION U-PBEDADES RADIOMETRICASROCAS SEDIMENTARIAS Subjects--Geographic Terms: ANDESCHILE