The only 7,306ft secret Arizona guards: 2-billion-year Precambrian while Vermilion Cliffs tourists miss it
Standing at 7,306 feet above sea level, I discovered what might be Arizona’s most guarded geological secret. While thousands of tourists crowd the main South Rim viewpoints daily, a hidden network of elevated observation points reveals 2-billion-year-old Precambrian formations that most visitors never witness. These lesser-known vantage points offer unobstructed views into Earth’s ancient history, … Lire plus