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Crossbedded quartz- and chert-pebble conglomerate and sandstone in Tuluvak Formation at same outcrop shown in figure 17

Figure 18. Crossbedded quartz- and chert-pebble conglomerate and sandstone in Tuluvak Formation at same outcrop shown in figure 17. A sandstone sample from this locality has measured 18 percent porosity and 812 millidarcies (mD) permeability (data from C.G. Mull). 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/fig18.html
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