Publisher's Synopsis
Excerpt from Preliminary Report on the Ketchikan Mining District, Alaska: With an Introductory Sketch of the Geology of Southeastern Alaska
These five belts - the white limestone and phyllite, the blue limestone, the argillites to the west of the Coast Range granite, and the Paleozoic and Mesozoic to the east - form the country rock of the larger part of this province. There are also Tertiary sediments, volcanic rocks, and various types of intrusives in this region.
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