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•SENT BY:SunnY5ide Gold CorP 03-04-94 04:19PM 30338753104 303 632 8106 # 3 <br /> F-L Brenneman Bulkhead <br /> Page 7 <br /> An estimation of intact rock irregularities present was made from <br /> the x-section data. This was done by: <br /> 1) measuring the perimeter at a section. <br /> 2) measuring the perimeter at that section of the next <br /> section's intrusion into that area. This was done by <br /> overlaying consecutive x-sections. <br /> 3) assuming the perimeter area between sections is the <br /> average of the perimeters at each end of a section times <br /> the distance between sections and the sum of section <br /> perimeter areas is the total perimeter area within the <br /> bulkhead. <br /> Total perimeter area Ifn + Pn+1 (D) <br /> where P(n) - Perimeter at section n (ft) <br /> D = distance between section n and section n + <br /> 1 (ft) <br /> This gave a Total Perimeter Area of 246.7 sq. ft. <br /> 4) assuming that any intrusion into the overlain x-section <br /> exists over the distance between sections, a value for <br /> perimeter area of intact rock irregularity was obtained <br /> for each section and the total perimeter area of rock <br /> irregularity was assumed to be the sum of the values <br /> obtained for each section. <br /> Total Perimeter area of rock irregularity r,L PIn D <br /> where PIn = Perimeter of section n that has a surface <br /> witnin the area from section n + 1 when <br /> overlaying section n (ft) <br /> D - distance between section n and section n + 1 <br /> (ft) <br /> This gave a Total Perimeter area of rock irregularity for <br /> the bulkhead of 89.5 sq. ft. <br /> The percentage of intact rock perimeter area irregularity <br /> calculated by this estimation is 36% which is larger than the <br /> required 10% and therefore a more detailed measurement and analysis <br /> is not required. <br />