دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a geologic structure resembling an inverted bowl, i.e., a short anticline that dips or plunges on all sides.

a symmeatrical upfold of the layers of rock in which the beds dip in all directions more or less equally from a common point;any deformation characterized by a circular local uplift.