annexc - Newmont Mining Corporation

TABLE C3-6
Whole Rock Data for Akyem Mine Pit Area Compared to Average Earth Crustal Values
Concentration in parts per million (ppm)
As Ba Be Cd Co Cr Cu Mn Mo
Average Crustal Abundance 2.1 340 1.9 0.16 30 140 68 1,060 1.1
Phase 1 Oxide Samples (n=26)
Mean 73 911 1.5 0.05 44 186 105 1,451 13
Maximum 1,388 1,613 3.0 0.2 97 446 298 2,894 36
Minimum 0 86 0.4 0 12 41 2 163 0
Phase 1 Sulfide Samples (n=181)
Mean 14 1,007 0.9 0.02 26 162 52 924 23
Maximum 236 9,258 2.4 0.6 56 372 146 2,740 758
Minimum 0 95 0 0 2.6 72 0 65 0
Phase 2 Composite Samples (n=17)
Mean 107 832 0.05 1.5 55 84 62 1,164 24
Maximum 1,449 1,561 0.6 4.8 105 264 140 2,278 132
Minimum 0 138 0 0 13 14 0 26 4
Ni Pb Sb Se Sn S Tl V Zn
Average Crustal Abundance 90 10 0.2 0.05 2.2 360 0.53 190 79
Phase 1 Oxide Samples (n=26)
Mean 90 20 17 7 0.7 541 0.7 207 162
Maximum 250 110 70 11 8.8 9,444 7.4 432 1,036
Minimum 22 4 0 4 0 0 0 86 45
Phase 1 Sulfide Samples (n=181)
Mean 58 41 16 6 0.2 8,224 2.7 138 132
Maximum 338 716 72 11 18 27,279 26 313 818
Minimum 7 0 0 2 0 0 0 7 11
Phase 2 Composite Samples (n=17)
Mean 65 100 31 1.5 14 5,271 2 147 69
Maximum 149 627 87 10 22 13,708 6 417 185
Minimum 3 0 0 0 0 69 0 3 0
Note: As = Arsenic; Ba = Barium; Be = Beryllium; Cd = Cadmium; Co = Cobalt; Cr = Chromium; Cu = Copper; Mn = Manganese; Mo = Molybdenum; n = Number of
Samples; Ni = Nickel; Pb = Lead; Sb = Antimony; Se = Selenium; Sn = Tin; S = Sulfur; Tl = Thallium; V = Vanadium; Zn = Zinc.
Source: Porterfield 1984; Butler and Harrod 1989; Kaye and Laby 1993; Greenwood and Earnshaw 1997; Huheey et al. 1993; Cox 1989; McGraw-Hill 1992; James and
Lord 1992; Newmont 2005b.