A half-graben is a geological structure bounded by a fault along one side of its boundaries, unlike a full graben where a depressed block of land is bordered by parallel faults.
The Newark Basin, an early Mesozoic half-graben
Tilted block faulting, also called rotational block faulting, is a mode of structural evolution in extensional tectonic events, a result of tectonic plates stretching apart. When the upper lithospheri
Tilted fault blocks in Tempe, Arizona. Top frame shows the natural expression at the surface, while the bottom frame illustrates the possible pre-erosion three-dimensional formation. The tips of the block erode to fill in the surrounding basin.