Malone et al. (2016) propose that the maximum age of the Jacobsville Sandstone is 959 ± 19 Ma based on laser ablation U-Pb geochronological data from detrital zircons. This result has been used to draw far-reaching conclusions about the later phase of evolution of the Midcontinent Rift System. However, there are ample reasons to question this conclusion of Malone et al. (2016, herein) with respect to their proposed maximum age of the Jacobsville Sandstone (JS).