TY - BOOK AU - Snelling,N.J. TI - Potassium-argon dating of rocks north and south of of the Grenville front in the Val d'Or region, Quebec AV - PAM QE185.A43 no.85 PY - 1962/// CY - Ottawa PB - Dept. of Mines and Technical Surveys, Canada KW - Petrology KW - Quebec (Province) KW - Potassium-Argon dating N1 - Includes bibliographical references ER -