An ore body dips at 90° and has a vertical depth of 140m. The top of the ore body is 180m from the surface and surface m

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An ore body dips at 90° and has a vertical depth of 140m. The top of the ore body is 180m from the surface and surface m

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An Ore Body Dips At 90 And Has A Vertical Depth Of 140m The Top Of The Ore Body Is 180m From The Surface And Surface M 1
An Ore Body Dips At 90 And Has A Vertical Depth Of 140m The Top Of The Ore Body Is 180m From The Surface And Surface M 1 (45.67 KiB) Viewed 107 times
An ore body dips at 90° and has a vertical depth of 140m. The top of the ore body is 180m from the surface and surface mining operations have been discarded in favour of underground operations. The strike length of the deposit is 350m. The ore body varies from 8m to 20m and averages 15m. Grades are as follows: Lead = 10% (90% recovery) Zinc = 15% (85% recovery) Silver = 120 g/t (60% recovery) Gold = 2 g/ (50% recovery) What is the total ore resource in tonnes, assume an SG of 3.6, and what is it worth at today's metal prices in A$? Note: to calculate the worth of an ore body recovery must be considered. Recovery as quoted in the above figures means mill recovery.
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