|
|
click photo for larger file
Royal Arches / exfoliation arches
|
Photographer: Ron Wolf
ID: 0000 0000 0912 1213 (2012-09-25)Copyright © 2012 Ron Wolf
|
|
INFORMATION PROVIDED WITH THE PHOTO
|
date of photo Sep 15, 2012
location
Yosemite Valley. Yosemite National Park (Mariposa County, California, US)notes These features are exfoliation arches or inset arches. They form on the steep sides of exfoliation domes when large sections of granite exfoliation sheets peel away. In this case, glaciers may have eroded the lower portions of the exfoliation sheets, leaving the upper sections without support. The rock exposed here is the Cretaceous Half Dome Granodiorite.keywords: earth science, geology, geomorphology, Sierra, glacier, glaciation, erosion, exfoliation, granite
camera Canon EOS 7D, 79mm, f/22, 1/250 sec.
photo category: Misc. - geology
|
| |
|
Using this photo The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2012 Ron Wolf.
For other uses, or if you have questions, contact Ron Wolf RonWolf[AT]EyeOnNature.com. (Replace the [AT] with the @ symbol before sending an email.) |
|
|