2008-04-15_REVISION - M1980244 (285)

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F- 16-1 Project: Cripple Creek Hydrogeochemistry Task: Sulfur Speciation SULFUR SPECIATION OF ABA ANALYSES SULFATE SULFUR/TOTAL SULFUR DISTRIBUTION • • Sulfur PC T All (%) # SS/ST (%) # SS/ST (%) # SAT (%) 0.1 25 61% 170 45% 195 47% 0.2 12 53% 38 46% 50 48% 0.3 9 65% 52 39% 61 43% 0.5 7 48% 44 27% 51 30% 0.7 9 36% 43 28% 52 29% 1 7 35% 57 21% 64 22% 1.3 9 30% 36 17% 45 19% 1.6 9 34% 33 17% 42 20% 2 16 35% 73 13% 89 17% 3 21 20% 50 11% 71 13% 5 10 27% 15 8% 25 16% 10 2 11% 1 0% 3 7% All 136 40% 612 29% 748 31% PYRITE SULFUR/TOTAL SULFUR DISTRIBUTION Legend PC Precambrian (Granitic) T Tertiary (Volcanic) SS/ST Sulfate Sulfur/Total Sulfur SP/ST Pyrite Sulfur/Total Sulfur # Number of samples Sulfur PC T All Sulfur Synthetic SP/ST (%) (%) # SP/ST (%) # SP/ST (%) # SP/ST (%) (%) PC T 0.1 25 39% 170 55% 195 53% 0.1 36% 52% 0.2 12 47% 38 54% 50 52% 0.2 44% 60% 0.3 9 35% 52 61% 61 57% 0.3 48% 64% 0.5 7 52% 44 73% 51 70% 0.5 54% 70% 0.7 9 64% 43 72% 52 71% 0.7 58% 730 1 7 65% 57 79% 64 78% 1 62% 77% 1.3 9 70% 36 83% 45 81% 1.3 65% 80% 1.6 9 66% 33 83% 42 80% 1.6 67% 82% 2 16 65% 73 87% 89 83% 2 70% - 85% 3 21 80% 50 89% 71 87% 3 4 % 89% 5 10 73% 15 92% 25 84% 5 80% 94% 10 2 89% 1 100% 3 93% 10 88% 102% All 136 60% 612 71% 748 69% Note: Distributions are developed from subtraction of Ss/ST from unity Adrian Brown Consultants, Inc. Date: 4/8/2008 Page 1-1