Tham khảo tài liệu 'integrated waste management volume i part 12', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 376 Integrated Waste Management - Volume I Strand-tag group Total samples assayed for S Number of samples with S Number of samples with S Percentage of total samples with S Percentage of total samples with S CLA 568 2 0 CAL 704 3 2 DET waste 1 170 27 6 DET mineralised 526 2 0 DOR 53 2 0 WD waste 280 0 0 ANG waste 879 6 6 ANG mineralised 154 0 0 N2U BIF 78 1 1 N2L BIF 106 0 0 NE1 BIF 264 0 0 NEW mineralised 895 1 1 NEW HYD 200 0 0 MAC BIF 192 12 8 MAC mineralised 68 1 0 MAC HYD 77 5 0 NAM BIF 59 8 1 UNKNOWN 1 0 0 Total number of samples assayed 6 274 6 274 Total number of samples with S 70 25 Percentage of total with S Total number of waste samples 4 353 4 353 Total number of waste samples with S 61 24 Percentage of total waste samples with S Table 3. An example of total sulfur analysis for a deposit. Geochemical Risk Assessment Process for Rio Tinto s Pilbara Iron Ore Mines 377 Fig. 5. An example of the spatial distribution of total sulfur in drill hole composites and the pit shell. if there is any dewatering activity. During dewatering sulfides in the pit wall may become unsaturated and then once mining has finished and the water table recovers contaminants could be mobilised. Total number of samples assayed for S within pit shell 34 478 Number of samples with S within pit shell 97 Percentage of total with S within pit shell Total number of samples assayed for S within pit shell and BWT 580 mRL 22 531 Number of samples with S within pit shell and BWT 92 Percentage of total with S within pit shell and BWT BWT Below Water Table Table 4. An example of the total sulfur value greater than within a deposit filtered using the proposed final pit design Total sulfur analysis within the .
