Replacement by calcite cement in sandstone from the Nanushuk Group, Calcite replacement of detrital grains, leaving a clay rim around original (calcareous?) grain. Central North Slope, Alaska.
Summary
Replacement by calcite cement in sandstone from the Nanushuk Group, Calcite replacement of detrital grains, leaving a clay rim around original (calcareous?) grain. Sample 78ACh35, Krupa anticline; magnification, 6,3 x 10. Central North Slope, Alaska. Published as Figure 43A in U.S. Geological Survey. Bulletin 1614. 1985.
Summary
Replacement by calcite cement in sandstone from the Nanushuk Group, Calcite replacement of detrital grains, leaving a clay rim around original (calcareous?) grain. Sample 78ACh35, Krupa anticline; magnification, 6,3 x 10. Central North Slope, Alaska. Published as Figure 43A in U.S. Geological Survey. Bulletin 1614. 1985.
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