@misc{misc18548955, title = {Mesoproterozoic Rapakivi granites of Rondonia tin province, SW Amazon Craton, Brazil; Nd, Sr, O, Pb isotopes and metallogenic implications}, author = {Bettencourt, Jorge Silva and Payolla, Bruno Leonelo and Leite Junior, Washington Barbosa and Tosdal, R. M. and Baruch, Spiro}, year = {1999}, booktitle = {GSA Annual Meeting} }