Tightly appressed sandstone from the Nanushuk Group, showing squeezing and contortion of less competent framework grains around more resistant grains and into intergranular spaces. Central North Slope, Alaska.
Summary
Tightly appressed sandstone from the Nanushuk Group, showing squeezing and contortion of less competent framework grains around more resistant grains and into intergranular spaces. Some cracking of resistant grains has also taken place. Sample 77AAH21f Tuktu Bluff; magnification, 6.3 x 10, photomicrograph. Central North Slope, Alaska. Published as Figure 42 in U.S. Geological Survey, Bulletin 1614. 1985.
Summary
Tightly appressed sandstone from the Nanushuk Group, showing squeezing and contortion of less competent framework grains around more resistant grains and into intergranular spaces. Some cracking of resistant grains has also taken place. Sample 77AAH21f Tuktu Bluff; magnification, 6.3 x 10, photomicrograph. Central North Slope, Alaska. Published as Figure 42 in U.S. Geological Survey, Bulletin 1614. 1985.
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