Secondary porosity in Nanushuk Group sandstones. Irregular surface on quartz-overgrowth crystal indicates possible dissolution of siliceous cement. Central North Slope, Alaska.
Summary
Secondary porosity in Nanushuk Group sandstones. Irregular surface on quartz-overgrowth crystal indicates possible dissolution of siliceous cement. Sample 78AChl75 Kurupa anticline; magnification, XI220, SEM. Central North Slope, Alaska, Published as Figure 49B in U.S. Geological Survey. Bulletin 1614. 1985.
Summary
Secondary porosity in Nanushuk Group sandstones. Irregular surface on quartz-overgrowth crystal indicates possible dissolution of siliceous cement. Sample 78AChl75 Kurupa anticline; magnification, XI220, SEM. Central North Slope, Alaska, Published as Figure 49B in U.S. Geological Survey. Bulletin 1614. 1985.
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