﻿ gold mining stripping ratio

# gold mining stripping ratio

## gold mining stripping ratio

• ### basic mining techniques : stripping ratio and pit limit

stripping ratio is expressed broadly as the ratio of waste to ore. its simply calculating how much waste has to be removed to expose how much of ore to be mined. stripping ratio determines where the pit limit will be.

• ### what is the maximum stripping ratio of open pit diamond

popular answers 1 a high grade orebody can support a high stripping ratio. a low grade ore body cannot support a high stripping ratio. the cost is purely driven by the cost of the mining fleet capital and operating costs to move the waste ore. larger scale operations who can maximise the economies of scale can be profitable with low grade and higher strip ratios.

• ### how do you calculate the stripping ratio - answers

yes, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock.

• ### stripping ratio - wikipedia

in mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden or waste material required to be handled in order to extract some tonnage of ore. for example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

• ### fiore gold delivers back to back quarters of record gold

the updated life of mine plan has a strip ratio of 1.6:1, with stripping expected to be above that level until mid-calendar 2020, then dropping below thereafter.

• ### surface mining planning and design of open pit mining

vii stripping ratio the ratio is most commonly expressed as: strip ratio sr is the mass of waste to be mined to obtain one unit mass of ore. waste tons sr = ----- ore tons for example, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock.

• ### financial modelling of stockpiles in a mining project

contained gold mined h31 is calculated in the mining section screenshot 2, h11 contained gold milled h32 = average grade h26 x ore milled h35 contained gold milled is based on the amount of ore milled calculated in the previous section. what we need is to figure out the average grade of ore milled to work out the contained gold.

• ### what is stripping ratio in mining? - quora

in mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden or waste material required to be handled in order to extract some tonnage of ore. for example, a 3:1 stripping ratio means that mining one tonne of ore wil

• ### agoldenmomentfor mining - pwc

ifrsnews emergingissuesandpracticalguidance* agoldenmomentfor mining alfredo ramirez of accounting consulting services central team mining

• ### key financial ratios to analyze the mining industry

average roes in the mining industry are between 5 and 9%, with the best-performing companies producing roes closer to 15% or better. the ratio is calculated by dividing net income by stockholders

• ### stripping ratio mining britannica

in coal mining: choosing a mining method calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. open-pit mining. in mining: pit geometry removed is called the overall stripping ratio.

• ### mine wastes management - mining and blasting

the ratio of overburden excavated to the amount of mineral removed is called the overburden ratio or stripping ratio. for example a stripping ratio of 4:1 means that 4 tonnes of waste rock are removed to extract one tonne of ore. seven trustr the ratio, the more productive the mine.

• ### stripping ratios: what are they and why are they important

western copper and gold tsx:wrn,nyseamerican:wrn has emphasized that its casino copper-gold project has a truly impressive life-of-mine strip ratio of 0.59:1. casino is currently in the

• ### whats the average stripping ratio of open pit mines around

a high grade orebody can support a high stripping ratio. a low grade ore body cannot support a high stripping ratio. thus you may have a range of stripping ratios from 1:1 to 1:15 or even more.

• ### escondida copper, gold and silver mine, atacama desert

the stripping ratio will average around 1.7:1 over the full life of the project. in-pit truck dispatching and monitoring is handled by a system from wenco international mining systems, while project materials, maintenance and costing control is achieved using mincoms mine information management system.

• ### what is the maximum stripping ratio of open pit diamond

what is the maximum stripping ratio of open pit diamond mines before considering going underground? i am busy with a design project and i need to benchmark average stripping ratios of different

• ### economic assessment and mine production optimization of an

the stripping ratio is the relationship between the waste and ore volume. different sensitivity analysis will also be performed in order to appreciate what happens to the project economics when certain variables of high importance, such as the processing capacity, gold price and dilution rate vary. open-pit mining operations are long-term