1.   Hayward said the outcropping is not only a geological force but also a meteorological one.

2.   I also came to think of big trucks as a kind of geological force in their own right.

3.   Strips of lava in the Cereberus Plains, probably produced by a combination of major geological forces.

4.   Subsequent geological forces jumbled up the grains and left them with the magnets pointing in all directions.

5.   That was not possible, she realized, because geological forces did not form the island until long after the dinosaurs became extinct.

6.   The Springfield Science Museum also has displays that help visitors understand the geological forces that created the valley and made it an attractive habitat for dinosaurs.