Mountains produced by tensional stress, like the teton range in wyoming, are called
-folded mountains
-fault-block mountains
-canyons
-plateaus

It is considered a fault-block mountain! Fault-block mountains are formed by the movement of large crustal blocks when forces in the Earth's crust pull it apart, much like the ones in Teton Range. Hope this helps!

Answer feldspar,quartz,mica and amphibole;