139 Microscopic Petrography – The Younger Dacite Flows – Dacites of Anderson Bluffs

The Geology of Crater Lake National Park, Oregon With a reconnaissance of the Cascade Range southward to Mount Shasta by Howell Williams

Microscopic Petrography

The Younger Dacite Flows

     Dacites of Anderson Bluffs

The thick flows of friable, pale-gray dacite which outcrop within the park on the south slope of Mount Scott are in all particulars identical with the dacite domes and flows to the east of Mount Scott, discussed in the following section.

 

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