A good example of nearly identical rock units which are widely separated is the Pinnacles Volcanic Formation, which is separated by 315 km along the San Andreas Fault from its ``mate'', the Neenach Volcanic Formation in the Mojave Desert.
(nearly identical rock units; are widely separated; ) (A good example of nearly identical rock units; is; the Pinnacles Volcanic Formation) (the Pinnacles Volcanic Formation; is separated; by 315 km along the San Andreas Fault; from its ``mate)
nearly identical rock units A good example of nearly identical rock units the Pinnacles Volcanic Formation
are widely separated is is separated
the Pinnacles Volcanic Formation
by 315 km along the San Andreas Fault from its ``mate