National Park Service officials said harsh weather, including wind and rain, have led to erosion and spalling, which occurs when fragments of stone chip or break off.
This undated photo provided by the National Park Service shows Double Arch before it collapsed in Rock Creek Bay, part of the Glen Canyon National Recreation Area in Utah, last week.
According to NPS Rangers, the so-called “Double Arch” in the recreation area’s Rock Creek Bay crumbled on Thursday. The Double Arch — which has also been called the “Toilet Bowl”, the “Crescent Pool” and the “Hole in the Roof” — was formed by 190-million-year-old Navajo sandstone dating from the late Triassic period to early Jurassic period, according to the NPS.
“These features have a life span that can be influenced or damaged by manmade interventions,” Kerns said.
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