Pine Valley Mountains, PVM, had the Pine Village settled first (in a Valley atop the Range), and has many HIKING TRAILS for escaping the Summer Heat of St. George, UT! Mostly it is Monzonite- a Granite-like Rock, but there are Basalt outpourings to the North.
PVM after the 2012 snow, by Digital Camera:
Monzonite Outlier, Rotated CW, away from the Main Laccolith (flat-base Long Dome INTRUSION). Remember, that what you see has been Shaped by EROSION, after being Fractured along Earth Tidal ARCS:
"Tic Marks" occur in the outlier, and are Common near the I-15 feeder at Toquerville (Anderson) Junction: