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Brazilian nickel mine reduces ore dilution by 2.2% through ...

, representing a 1.1% increase in material grade output and an estimated $5.7M in additional revenue per year Brazilian nickel mine reduces by 2.2% through optimized material blending Achieving an accurate material blend is a common challenge for many open-pit organizations.

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  • PDF Mine Planning for Ore Dilution - ResearchGate

    PDF Mine Planning for Ore Dilution - ResearchGate

    This paper presents results of a study on the influence of...

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  • Strategies for Minimising and Predicting Dilution in ...

    Strategies for Minimising and Predicting Dilution in ...

    prediction, the NVD method also includes strategies for narrow vein minimisation generally, including filling, cablebolting, stress relaxation, extraction sequencing and blast overbreak. INTRODUCTION can be defined as the contamination of by non- material during the process Wright, 1983. is

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  • Decision support system of unplanned dilution and ore-loss ...

    Decision support system of unplanned dilution and ore-loss ...

    Unplanned dilution and ore-loss are the most critical challenges in underground stoping operations. These problems are the main cause behind a mine closure and directly influencing the productivity of the underground stope mining and the profitability of the entire operation.

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  • Control of Ore Loss and Dilution at AngloGold Ashanti ...

    Control of Ore Loss and Dilution at AngloGold Ashanti ...

    moving to waste dump, waste with , and misclassification part of a block moving into another block. Reducing the amount of loss and of Run-of-Mine ROM prior to processing is the goal of most metal companies. The addition of waste to ROM for processing as a result of

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  • 30 Seconds of Info: Reconciliation of planned and ...

    30 Seconds of Info: Reconciliation of planned and ...

     · This week’s 30 Seconds of Reconciliation Info is from Ian Glacken our Director of Geology.. Reconciliation of planned and unplanned for underground stopes: Typically, underground stopes of relatively limited dimensions i.e. not sublevel or block caving shapes are designed to take the -grade material the so-called ‘in situ design’, with allowances for practical …

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  • Artisanal mining -

    Artisanal mining -

    Artisanal operations often cut down trees to clear space for their camps, and it is common for miners to hunt, fish, and collect other forest resources for food and medicine, or as a way to supplement their income. Mercury and other dangerous chemicals, such as cyanide, are commonly used in artisanal gold .

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  • Numerical Experimental Study on Ore Dilution in Sublevel ...

    Numerical Experimental Study on Ore Dilution in Sublevel ...

     · Meanwhile, the ore dilution mechanism in the process of stoping caving ore and rock bulk is investigated, especially, the permeability characteristics of small size particles. Main factors considered in the numerical test are particle density ratio, particle diameter ratio, vertical stress of overburden, and shape of large particle size.

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  • Multielemental Analysis of Gold Ore Samples from ...

    Multielemental Analysis of Gold Ore Samples from ...

    The concentrations of major elements have been detected in artisanal gold and sediments in Migori, Southwest Kenya as: titanium 711.41-10,766.67 mg/kg cobalt 82.65-1,010.00 mg/kg

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  • Mining Dilution | SpringerLink

    Mining Dilution | SpringerLink

     · Abstract. is a critical issue that affects many aspects in . It is generally due to the geometric characteristics of the body, the operation, the characteristics of geologic contacts, and the limitations of the equipment to recover material to the desired boundaries or …

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  • Controlling operational dilution in open-pit mining ...

    Controlling operational dilution in open-pit mining ...

    ABSTRACT and loss are important factors that can affect costs and profitability of a operation by lowering the quantity of mineral or metal that can be produced from each ton of processed . When discussing open-pit , and loss are sometimes assumed as fixed factors in geostatistical block models and cut-off grade calculations, without considering ...

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  • Unplanned dilution and ore loss prediction in longhole ...

    Unplanned dilution and ore loss prediction in longhole ...

    Unplanned dilution and ore loss directly influence not only the productivity of underground stopes, but also the profitability of the entire mining process. Stope dilution is a result of complex interactions between a number of factors, and cannot be predicted prior to mining.

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  • Numerical modelling of ore dilution in blasthole stoping ...

    Numerical modelling of ore dilution in blasthole stoping ...

     · negatively influences the profitability of operations by lowering the quantity of mineral or metal that can be produced from each ton of processed in /milling operations. is a qualitative parameter that enables the mine operator to evaluate quality of design . Traditionally, the industry has used the ...

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  • Monitoring Ore Loss and Dilution for Mine-to-Mill ...

    Monitoring Ore Loss and Dilution for Mine-to-Mill ...

     · The study revealed that fragmentation, underground accumulation of , and have a significant influence on the mine call factor and mine output. It was difficult to quantify the total loss due to the time lag between and milling, which is extremely variable, when estimating the mine process inventory.

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  • Webinar: Reduce Ore Loss and Dilution – AMC Consultants

    Webinar: Reduce Ore Loss and Dilution – AMC Consultants

    In this free webinar, Senior Engineer, Wayne Rogers, explored the application of recent developments in measurement and modelling of blast movement and introduces a stochastic approach to blast movement modelling. ... Wayne has also completed a Master of Philosophy MPhil in the field of reducing loss and in open pit mines ...

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  • Ore Control & Dilution Solution - Ore Controller - Datamine

    Ore Control & Dilution Solution - Ore Controller - Datamine

    Internal dilution ore, their size is less than the Unit. Contact dilution caused by waste blocks that are adjacent to ore and cannot be mined and processed separately.

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