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The view from the classic day hiker's
goal. Note two distinct rock types: the red rhyolite, with almost-glassy
shards, and the dark brown basalt on the tablelands at the top
of the canyon. This is typical of the entire Snake River Plain:
a rhyolite cake with basalt frosting at the top. Since the basalt's
at the top, that's what we see as we drive and hike southern
Idaho: however, the Plain is about 90% rhyolite and 10% basalt. |
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