The monzogranite continues to impress.

https://www.desertusa.com/desert-califo ... kpile.html Geologists believe the face of this modern landscape was born more than 100 million years ago. Molten liquid, heated by the continuous movement of the Earth's crust, oozed upward and cooled while still below the surface. These plutonic intrusions are a granitic rock called monzogranite.