The area of the cerebral cortex in the human brain which controls voluntary muscle movement is the

The cerebral cortex is considered the ultimate control and information-processing center in the brain.The area of the cerebral cortex in the human brain which controls voluntary muscle movement is the motor cortex. The motor cortex is responsible and involved  in the planning, control, and execution of voluntary movements. 
The motor cortex is located in the frontal lobe of the cerebral cortex.

The type of rock she find is a sediment rock