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Metallurgy & Mineral Processing

Coarse Beneficiation: Exploiting A Natural Phenomenon
Adrian Dance

Preferential grade-by-size deportment is the tendency for metal content to increase in the fines fraction of mill feed.

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Gold-In-Circuit Inventory Measurement
David Pattinson

It is routine in a processing plant to sample the feed, tailings and product streams in order to make a metallurgical balance – to account for the metal processed and where it ended up.

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Improving Mill Feed: A Miner's Perspective
Bob McCarthy

Over the decades, with decreasing ore deposit grades, miners have turned to economies of scale and bulk mining to gain advantage.

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Metallurgical Challenges Or Opportunities
Adrian Dance

In conducting technical due diligences, SRK’s recent experience has found the majority of projects to be “metallurgicallychallenged”.

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Grinding Circuit Improvements At Gold Fields Granny Smith Operation
Adrian Dance

The Gold Fields Granny Smith mine in Western Australia has a long history of collecting high quality, grinding survey data from which to make circuit improvements.

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Lithium Extraction: A Question Of Being In The Right Neighbourhood
Rob Bowell

One of the few positive commodities in 2015 was lithium

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Vanadium-Uranium Separation: Or Is It Just Good Chemisrty?
Rob Bowell

In cooking, some ingredients have such an inherently strong taste that a few grains can be detected on even the most insensitive of palates.

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Iron Ore Beneficiation Testwork
John Willis

Iron ores come in come in many shapes and sizes (and mineralogies), so there is no one size fits all approach to beneficiation.

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Pitfalls Of Sampling
John Willis

The AMIRA “Metal Accounting Code of Practice and Guidelines” (2007) has established best practice in process plant metal accounting.

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Leveraging Your Rock Mass Characterization
Anton Bloem

Mining involves extracting a desired commodity, like gold, from a rock mass – in which the volume of waste significantly exceeds that of the mill feed.

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Hydrogeochemical Mining
Rob Bowell

When water contacts a solid, a portion of the solid can be dispersed or even dissolved within the water (depending on the chemistry and solid form).

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Incorporating Geometallurgy Into Strategic Mine Planning
Grant Carlson

The objective of strategic mine planning is to maximise the near-term cash flow of a mining project.

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Experience Based Approach To Successful Heap Leach Pad Design
Terry Mandziak

At first glance, heap leaching can appear an extremely simple technology; however, without proper characterisation, engineering and design, heap leaching faces significant issues that can affect the overall economic viability of the project.

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Successful Metallurgical Program For The Montagne D'Or Gold Project
Eric Olin

During 2016, SRK undertook a feasibility-level development program to describe the metallurgical process for Nordgold’s Montagne d’Or gold project located in French Guiana.

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Poor Gold Reconciliation: Acknowledge The Nature Of The Ore
Vic Hills

Gold reconciliation audits are often motivated by the following question...

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Diagnostic Leaching For Refractory Gold Ores
Eric Olin

A diagnostic leach test can be very useful to qualitatively assess how gold occurs within the ore and the extent to which it may be refractory.

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