TY - RPRT TI - The history of a continent from U-Pb ages of zircons from Orinoco River sand and Sm-Nd isotopes in Orinoco basin river sediments AU - S.L. Goldstein AU - N.T. Arndt AU - R.F. Stallard PY - 1997 DO - 10.1016/s0009-2541(97)00039-9 UR - https://pubs.usgs.gov/publication/70019779 ID - 70019779 ER -