C. Pugh and M. Shub showed in 1971 that, given an ergodic action of $G=\mathbb{R}^k$ on some separable finite measure space $(X,\mu)$, then all elements of $G$ , off a countable family of hyperplanes, are ergodic.

Is there an analogous statement in the topological setting, with ergodicity replaced by minimality (i.e. all orbits are dense) ?