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Geology of Mount Shasta

Figure 23

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Figure 23: The Hotlum cone. The left photo shows the eastern part of the summit dome viewed from Misery Hill to the south. The higest point is Mount Shasta's summit. The summit hot spring (HS) lies in the patch of bare rock at the western base of the summit mass. The right photo shows the Military Pass andesite flow on the northeastern flank of the mountain. Note the prominent levees along its margins and flow folds on its surface.


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