Twenty four samples of xenoliths and country rocks from the 1961 lava flow of
Calbuco volcano have been studied. Fourteen samples have been analyzed for major
elements and P, Ni, Ba, Cr, V, Zr, Sc, Y, and Sr. Five of these samples were
further analyzed for Sm, Nd, Sr, and Pb isotope ratios. Seventeen samples were
analyzed under the microscope and three samples were analyzed by microprobe fo...