WebMar 2, 2024 · The same losses and dilution are easily visible when considering bench height or flitch mining. Gold mines usually blast full benches between 5 to 10m, mining the blasted material in several... Webflitch noun ˈflich 1 : a side of cured meat especially : a side of bacon 2 : a longitudinal section of a log Example Sentences Recent Examples on the Web In China, the wood is sold …
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WebMining Animation 2012 - Double Benching - Mining Efficiency training video Not Yet Rated 10 years ago More Arcane Media 3,915 0 0 0 First in a series of 3d animated training videos. Excerpt of 70 minute Double Benching video Created for One Key Resources, used by BHP Billiton. arcanemedia.com.au Comments are disabled. WebMining benches vary from 5m to 10m, and are excavated in passes (flitches) of about 2.5m to 3m per flitch. Gold mineralisation is mined selectively to cut-off grades, and segregated into grade ranges to … craftify shop logo
Maptek - Mining Blocks Generation
WebOct 19, 2024 · This same study assumed a single open-pit operation using conventional excavator‐truck mining fleet, adopting 10 m benches and mining these benches in three flitches. Ore and waste would be hauled to the run of mine pad and waste dump, respectively, by a fleet of 100 t haul trucks, while drill and blast will be conducted using a … WebMining equipment will typically take multiple passes to mine the full height of a blast. Each pass is referred to as a flitch. Example: 10 meter blast, heaves to 12 meters, mined in 4 … WebMar 17, 2024 · It will involve mining bench heights of 5m with flitches of 2.5m to reduce ore loss and waste rock dilution. The underground reserves will be tapped using sub-level mining under rock fill (SURF), which is a bulk, semi-selective, underground mining method that introduces waste from the surface instead of the hanging-wall caving. craftihouse