01014cam a22002891 4500 gs 64000030 DLC 20260227111413.0 720222s1962 xx 000 0 eng gs 64000030 (OCoLC)245855 DLC OAkU OCoLC DLC premarc QE185 .A43 no. 85 Snelling, N. J. Potassium-argon dating of rocks north and south of the Grenville front in the Val d'Or region, Quebec. [Ottawa] Dept. of Mines and Technical Surveys, Canada [1962] x, 27 p. map, diagr., tables. Geological Survey of Canada. Bulletin 85 Running title: Dating of rocks near the Grenville front. Abstract also in French. Erratum slip mounted on p. 7. Bibliography: p. 19-20. Petrology Québec (Province) Potassium-argon dating. Dating of rocks near the Grenville front. 29774 29774