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Ore Coatrol Maaual page 5 <br />Pit mapping provides information on the geology of they ore zones. <br />Geology observations are used to optimize ore perimeter layout and <br />classification of ore. Geology provides rock mechani<:s data. <br />Check samples are taken of ore and waste areas to verify ore <br />classification. Check samples are also taken in areas of ore <br />perimeters to verify ore perimeter positions. Check samples are <br />taken of ROM stockpiles to verify ore types. <br />Mining method obser~~ations identify amounts of dilution or loss <br />present at ore perimeters, and any other possible effeci:s of mining. <br />(see Fig. 4). <br />Walk-arounds of staked ore perimeters are made to look zt positions <br />of the ore stakes relative to the rock type. Walk-arounds identify <br />any areas that might require any pre-stripping or other preparation <br />prior to any mining in the area. <br />Rev. 4/20/93 <br />