Tuesday, February 28, 2012

In what geologic period did the Wingate Sandstone form, as seen in Zion National Park?

Cretaceous
Jurassic
Triassic
Permian|||check out this site, and get a little more info!
http://3dparks.wr.usgs.gov/zion/html/3d0鈥?/a>|||Jurassic

火车采集器
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