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Nanushuk Formation on south flank of Arc Mountain anticline at Nanushuk River, eastern Chandler Lake quadrangle

Figure 9. Nanushuk Formation on south flank of Arc Mountain anticline at Nanushuk River, eastern Chandler Lake quadrangle. Lowland, tundra-covered core of anticline is underlain by mudstone of Torok Formation as shown in left-center of photograph. Marine sandstones of lower Nanushuk form resistant ridge on south flank of anticline; discontinuous ledges of dominantly nonmarine sandstone and conglomerate of upper Nanushuk are exposed to the right in axis of Arc Mountain syncline. View to east. Photograph by C.G. Mull.

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U.S. Department of the Interior, U.S. Geological Survey
URL: https://pubs.usgs.gov/pp/p1673/thumbnails/fig9.html
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