Open pit mining costs per tonne

Open pit mining costs per tonne

The number of mine personnel required in open pit mines may be estimated from the following formulas in which Nap is number of open pit personnel and Tp is tons of ore and waste mined daily. Nap = 0.034 TpO.8 for open pit mines in hard rock using shovels and

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  • BENCHMARKING THE ENERGY CONSUMPTION OF BENCHMARKING THE ENERGY CONSUMPTION OF

    Not surprisingly, average energy unit costs by source vary among the nine open-pit mines. Energy source (e.g. electricity) 2.2.3 Analysis: Open-Pit Mining Operations The open-pit mining operations were subdivided into 10 stages of production and three support activities. These categories are illustrated below. 1 9 $/kWh Drilling Blasting Excavating

  • Prepared for: MeMO 2016 - Reducing Mining Costs and Prepared for: MeMO 2016 - Reducing Mining Costs and

    or -$2.10/ton ITH Service Costs ITH Rental -$10,000/m Drill footage per month –3,000 ft Total Drilled tonnes –10,000 tonnes Total Drill Cost -$3.33/ft or -$1.00/ton ITH Labour Costs ITH Driller -$50/hr Include: Travel time, drill time, set-up time and down time, re-drilling

  • Abstract - USGS Abstract - USGS

    Operating costs are based on daily capacity (st/d) and are expressed in dollars per short ton ($/st). The open pit models are based on X = st/d of ore and waste moved. This allows for the wide variability in stripping ratios found among different open pit operations

  • Quartz Open Pit Mining Cost Per Ton Quartz Open Pit Mining Cost Per Ton

    The mine was not re-opened by Best and it was sold after Best's death in 1951. ... and include a 1,000 yard per day placer wash plant, 50-ton per day quartz mill, ..... underground mining costs are also much higher than the cost of open pit or

  • Cost-efficient Transport for Open-pit Mines | E & MJ Cost-efficient Transport for Open-pit Mines | E & MJ

    20–25 truck drivers per day, plus 1 water truck driver and 1 motor grader driver for haul road maintenance: CO2 Reduction (compared with truck system) 29,000 kg CO2 per day — Table 1—Comparison between conventional truck traffic and the new

  • Opening New Mines Opening New Mines

    The variable portion of the cost calculation is based on the open pit mining models published by the USGS, which take into account several factors that affect capital expenditures (Camm, 1991). From these, the following calculations were made: The average operating cost per ton ore produced was also calculated using D:

  • Bildplatshållare Mine cost drivers - Boliden Bildplatshållare Mine cost drivers - Boliden

    Two main types of mines Open pit mining Roughly ten times lower in cost per ton compared to under ground mining Slope stability decide waste/ore ratio With low grades a high production rate is needed Big equipment for high volume production Under ground mining Under ground mines commonly have lower production rate Increased cost to infrastructure and ground support

  • How to profit from low-grade gold mines - Part 1 How to profit from low-grade gold mines - Part 1

    Jun 20, 2019 Generally speaking, one gram per tonne works for open-pit mines, but underground gold mines require at least 2.5 g/t to be economic. Open-pit mining is either done with a fleet of haul trucks (some now automated) or an in-pit crushing and conveying system (IPCC)

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