GRAVITY OVERTURNS, EXTENSION AND BASEMENT FAULT ACTIVATION: REPLY

HOSPERS (pp. 359–361, this issue) raises two questions on the application of model results in my 1991 paper on the Norwegian‐Danish Basin: (1) unlike the Norwegian‐Danish Basin, the buoyant layer in the models is resting on a flat, horizontal base; and (2) sedementation is not simulated in the models. These two points are not justified because their answers are already in the paper. I am surprised that Hospers did not comment on a horizontal and flat base in the models in earlier correspondence (Hospers, pers. comm., 1990, Koyi, 1991). Here, I will clarify parts of my paper, and draw a general conclusion on the effects of basement faults on diapirism and basin floor slope.