Viewfield is an impact crater in Saskatchewan, Canada. It is in diameter and the age is estimated to be 190 ± 20 million years (Early Jurassic or Late Triassic). The crater is not exposed at the surface. References Further reading Gent, M. R., Kreis, L. K. and D. Gendzwill., The Maple Creek structure, southwestern Saskatchewan. Summary of Investigations 1992, Saskatchewan Geological Survey, Rep. 92–4, p 204–208. 1992 Grieve, R. A. F., Kreis, K., Therriault,A.M.and P.B.Robertson., Impact structures in the Williston Basin. Meteoritics and Planetary Science, v 33, n 4, p A63-A64. 1998 Meteorite crater tip-off to Saskatchewan oil trap. Oilweek, v. 23, n. 14, p. 10-11 (May22, 1972). 1972 Sawatzky, H. B., Astroblemes in the Williston basin. Journal of the Canadian Society of Exploration Geophysicists, v. 10, pp. 23–38. 1975 Sawatzky, H. B., Astroblemes in the Williston Basin (abstract). Fuels: A Geological Appraisal. A Saskatchewan Geological Society Symposium, Nov 7–8, 1974, Regina, Saskatchewan, p. 12. 1974 Sawatzky, H. B., Viewfield - a producing crater? CSEG Journal, v. 8, n. 1, p. 22–40. 1972 External links Aerial Exploration of the Viewfield crater Impact craters of Saskatchewan Triassic impact craters Jurassic impact craters Division No. 1, Saskatchewan