Secondary porosity features in sandstone from the Nanushuk Group, Embayed grains give secondary pores rounded borders.
Dates
Date Taken
1985
Summary
Secondary porosity features in sandstone from the Nanushuk Group, Embayed grains give secondary pores rounded borders. Pores are oversize and may have resulted from complete dissolution of a framework grain or from dissolution of cement thaft replaced a framework grain. Sample 78ACh799 Kurupa anticline; magnification, 2.5 x 10, photomicrograph. Published as Figure 50C in U.S. Geological Survey. Bulletin 1614. 1985.
Summary
Secondary porosity features in sandstone from the Nanushuk Group, Embayed grains give secondary pores rounded borders. Pores are oversize and may have resulted from complete dissolution of a framework grain or from dissolution of cement thaft replaced a framework grain. Sample 78ACh799 Kurupa anticline; magnification, 2.5 x 10, photomicrograph. Published as Figure 50C in U.S. Geological Survey. Bulletin 1614. 1985.
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