ebel

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					Ebel Mining
               Mine 1    Mine 2
Days               1         3
Cost           $20,000   $16,000
                                              Cost
                                            $68,000

                                   Actual             Required   Slack
High grade        6         2       12        >=         12        0
Medium grade      2         2        8        >=         8         0
Low grade         4         12      40        >=         24       16
Mine 1 days       1                  1        <=         7         6
Mine 2 days                 1        3        <=         7         4
Ebel Mining Surprise
               Days mine 1   Days mine 2 Tonnes high to med Tonnes med to low
                    1.8          1.4             1.6                0
Cost             $20,000       $16,000           $0                $0
                                                                                           Cost
                                                                                         $58,400

                                                                                actual             required   slack
High grade          6            2               -1                               12       >=         12        0
Medium grade        2            2               1                  -1             8       >=          8        0
Low grade           4            12                                 1             24       >=         24        0
Mine 1 days         1                                                            1.8       <=          7       5.2
Mine 2 days                       1                                              1.4       <=          7       5.6
Ebel Surprise (alternative formulation)
               Mine 1    Mine 2
Days              1.8       1.4
Cost           $20,000   $16,000
                                              Cost
                                            $58,400

                                   Actual             Required   Slack
High grade        6         2       13.6      >=         12       1.6
Medium grade      8         4        20       >=         20        0
Low grade         12        16       44       >=         44        0
Mine 1 days       1                 1.8       <=         7        5.2
Mine 2 days                 1       1.4       <=         7        5.6

				
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posted:10/5/2011
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