The "Landscape Arch" at Arches National Park.
On September 1, 1991, a huge section of the 306-foot-long arch collapsed, leaving 180 tons of rock crumbled on the ground below.
"What caused this cataclysmic event? Water had been slowly shaping the arch for countless centuries, dissolving cement between sand grains, seeping into tiny cracks, freezing and expanding. What had finally upset the delicate balance," reads an information display at Arches. "Unseasonably heavy rains the preceding ten days may have filled pore spaces within the sandstone. The added weight may have finally overwhelmed the rock slab in its timeless struggle with gravity."
Click here for the full Road Trip 2009 package.
On September 1, 1991, a huge section of the 306-foot-long arch collapsed, leaving 180 tons of rock crumbled on the ground below.
"What caused this cataclysmic event? Water had been slowly shaping the arch for countless centuries, dissolving cement between sand grains, seeping into tiny cracks, freezing and expanding. What had finally upset the delicate balance," reads an information display at Arches. "Unseasonably heavy rains the preceding ten days may have filled pore spaces within the sandstone. The added weight may have finally overwhelmed the rock slab in its timeless struggle with gravity."
Click here for the full Road Trip 2009 package.
- Talkback
- Most Recent of 5 Talkback(s)
- Thread View
- Flat View
- RE: (Photos: Arches and canyons and buttes, oh my!)
- Those are beautiful pictures. Thanks for sharing them. Now I want to go to Utah and see this for myself. The newspaper rock, in particular, blew me away.... (Read the rest)
- Posted by: sing4you Posted on: 07/02/09 You are currently: a Guest | Log in | Terms of Use
Did you miss Delicate Arch?
Network dude | 07/01/09
|
|
RE: (Photos: Arches and canyons and buttes, oh my!)
deanders | 07/01/09
|
|
Re: Delicate Arch
fcsnc | 07/01/09
|
|
RE: (Photos: Arches and canyons and buttes, oh my!)
JTF243@... | 07/01/09
|
RE: (Photos: Arches and canyons and buttes, oh my!)
sing4you | 07/02/09
|
What do you think?
More ZDNet Photo Galleries
Enterprise Applications
- Check out some of the easiest and most powerful ways to boost productivity while saving money on your application infrastructure. See ZDNet's comprehensive Enterprise Application resource center, now!
- New Online Dashboard
-
- Read about top issues IT decision-makers face every day, plus get cost effective solutions to real life IT problems. Oracle Topline
-
