He was unable to get down from his precarious position on the rocks.
The ship was battered against the rocks.
Friction against the rock, combined with the weight of the climber, caused his rope to break.
Rocks and stones are inanimate.
A fall of rocks blocked the road.
These birds stands on the rock, wings outstretched.
I climbed up over the rocks and saw that the hole led into the rockface.
Stress sensitivity of rock is closely related to its compressibility.
Seismic wave attenuation in rock means wave energy loss in rock.
The city was walled and built upon a rock.
In simple terms, fracking creates fissures in the shale rock alongside a well, then floods those fissures with a mixture of sand and water to push gas out of the cracks and up the well.
The passage of heat through rock is extremely slow.
They climbed up on the rock with their salvage.
The concrete will stay as solid as a rock.