Rocks that can be seen in Joshua Tree National Park: Cottonwood Pass Monzogranite, Phyllite, White Tank Monzogranite, Basalt, Pinto Gneiss, Skarn Deposits, Granite, Twentynine Palms Quartz Monzonite, Foliated Gneiss with Intrusive Granite RocksJoshua Tree has more interesting rock formations than Joshua Trees!A few Joshua Trees in front of a rock formation.Field of Joshua Trees.Can you see why this is called Skull Rock?Skull Rock.A Joshua Tree.Another Joshua Tree.Cholla Cactus Garden. Pronounce “choya”.Close up Cholla Cactus.
