Artificial core composed of fine-grained crushed quartz and epoxy, with 12 gold grains and scatter iron filings. Volume estimated from mass and assumed density of 17.65 g/cm^3. Table 1: Grain information ID # mass (μg) shape Volume (mm3) + - 1 344.3 plate 0.01951 0.00201 0.00167 2 335 toroidal 0.01898 0.00196 0.00162 3 187.1 twin toroidal 0.01060 0.00109 0.00091 4 113.3 flattened sphere 0.00642 0.00066 0.00055 5 79.1 irregular/branching 0.00448 0.00046 0.00038 6 139.1 irregular/branching 0.00788 0.00081 0.00067 7 38.6 ellipsoid 0.00219 0.00023 0.00019 8 44.7 ellipsoid 0.00253 0.00026 0.00022 9 50.4 irregular/branching 0.00286 0.00029 0.00024 10 75.3 sub-rounded 0.00427 0.00044 0.00036 11 78.5 irregular/branching 0.00445 0.00046 0.00038 12 12.5 irregular/branching 0.00071 0.00007 0.00006
Origin datasets extracted from this sample.