TY - RPRT TI - Sr, Nd and Pb isotopes in Proterozoic intrusives astride the Grenville Front in Labrador: Implications for crustal contamination and basement mapping AU - L.D. Ashwal AU - J. L. Wooden AU - R.F. Emslie PY - 1986 DO - 10.1016/0016-7037(86)90211-5 UR - https://pubs.usgs.gov/publication/70014661 ID - 70014661 ER -