Laserfiche WebLink
Table 4-3. Topsoil and spoil material analysis comparisons for plant growth <br />• suitability at Trapper Mine (1985-1989), vs 1993 Ashmore pit spoils. <br /> <br /> Topsoil Spoil 1993 Ashmore <br /> Weighed x (11 Weighed x (2) pit x (3) <br /> <br />Parameter (4) <br />pH (standard units) 7.24 7.38 8.20 <br />Electrical Conductivity (mmhos/cm) 0.84 1.98 1.90 <br />Calcium Carbonate (%1 0.94 5.67 5.65 <br />Organic Matter (%) 3.80 4.08 10.25 <br />Nitrate 21.79 7.37 6.00 <br />Phosphorus 14.36 1.47 2.60 <br />Potassium 268.71 102.80 108.80 <br />Zinc 1.97 6.56 5.20 <br />Iron 36.69 32.02 84.05 <br />Manganese (Mn) 15.79 11.85 14.55 <br />Copper 2.88 4.80 4.00 <br />Selenium 0.017 0.09 0.06 <br />Calcium (meg/I in sat ext.) 6.09 13.86 16.20 <br />Magnesium (meg/I in sat ext.) 2.21 11.85 14.40 <br />Sodium (meg/I in sa[ ext.) 0.48 2.06 2.25 <br />S.A.R. (-) 0.25 0.65 0.60 <br />% Saturation 42.64 42.46 34.05 <br />• <br />Texture Clayey loam Clayey loam Clayey loam <br />Sand 33.55 33.38 46.00 <br />Silt 34.64 30.71 26.50 <br />Clay 31.79 35.94 27.50 <br />Mercury (mg/kg) 0.05 0.08 0.01 <br />Flourine 0.14 0.40 10.00 <br />Total Sulfur 0.03 0.11 0.17 <br />Acid-Base Potential (-) +10.9 +52.43 +55.05 <br />Molybdenum 0.015 0.079 - <br />Boron 0.10 0.35 - <br />K (meg/I in sat ext.) 0.62 0.50 - <br />(11 A, B, C, D and E pit topsoil 1985-1989. <br />(2) B, C, D and E pit overburden 1985-1989. <br />13) A pit spoils only (1993). <br />(4) ppm unless otherwise denoted. <br />• FVLlb 3194 <br />IDMG\93REPT41 <br />Table 4-3 <br />