View N to Arch, with Units

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View N to Arch, with Units

View N to Arch, with Units

The sharp ridge and the left side of the peak are made of Wilson Ridge Intrusives (Twr), but the right summit of Arch is made of much older Proterozoic gneisses (Xu).
MoapaPk
on Feb 4, 2008 5:18 am
Lat/Lon: 36.13525°N / 114.5589°W
Image Type(s): Bouldering
Image ID: 378171

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