TY - BOOK AU - Snelling,N.J. TI - Potassium-argon dating of rocks north and south of the Grenville front in the Val d'Or region, Quebec AV - QE185 .A43 no. 85 PY - 1962///] CY - [Ottawa] PB - Dept. of Mines and Technical Surveys, Canada KW - Petrology KW - Québec (Province) KW - Potassium-argon dating N1 - Running title: Dating of rocks near the Grenville front; Abstract also in French; Erratum slip mounted on p. 7; Bibliography: p. 19-20 ER -