Solved A sandstone core composed of quartz and feldspar
A sandstone core composed of quartz and feldspar grains with calcite cement is 82 mm in diameter and 169 mm long. On saturation in water, its wet weight is 21.42; after oven drying its weight is 20.31N. A core specimen from the rock formation displays large voids. Its wet unit weight 128lb/ft^3. Estimate the porosity.
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