13 March 2018: CRC ORE mining participants continue collaborating with CRC ORE’s Innovation Delivery Group investigating the next stage of Grade Engineering projects. This year has seen the commencement of three new site utilisation projects all focusing on different Grade Engineering aspects.

This article was published in CRC ORE News - March 2018

By Luke Keeney, General Manager - Implementation

new snapshots websiteThe new set of projects are (project snapshots are available to Essential Participants in the members area):

The key focus of the Minera San Cristobal study will be to upgrade ~400kt of marginal grade Zn, Pb and Ag ore via screening and then campaign the upgraded Grade Engineered product through the concentrator over several days to quantify concentrator impacts due to Grade Engineering. This edition of CRC ORE News includes a more indepth look at this proposed production trial.

A successful Phase 1 Grade Engineering study at Teck’s Carmen de Andacollo mine indicated significant value could be unlocked over the asset life. The Phase 2 study will expand the Grade Engineering evaluation to cover both Screening and Bulk Sorting options and identify how these technologies may be integrated into the existing operation.

CRC ORE continues its ongoing activities with Escondida through the development of a Heterogeneity Partnership. This partnership will investigate different heterogeneity modelling approaches for both Life of Mine and Short-term planning horizons. The work will lay the foundation for a significant testing campaign to understand the differences between in-situ and post-loading heterogeneity.

CRC ORE Essential Participants can download these project snapshots from the members area of the CRC ORE website.


For more information about Grade Engineering, please click here.

 

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  • 5 April 2018: CRC ORE's Grade Engineering modelling programs have been strengthened over the summer thanks to the work of four motivated students who joined CRC ORE for our inaugural vacation intern program. Alex Perera, James Bamford, and Jacob Rogers joined us from The University of Queensland (UQ). Samantha Maslin joined us from the Queensland University of Technology (QUT) with the support of Austmine via its women in STEM (Science, Technology, Engineering and Maths) initiative. Hear more about their work by clicking on the video below.

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  • 13 March 2018: CRC ORE mining participants continue collaborating with CRC ORE’s Innovation Delivery Group investigating the next stage of Grade Engineering projects. This year has seen the commencement of three new site utilisation projects all focusing on different Grade Engineering aspects.

    Read More
  • 13 March 2018: A new production trial study has been flagged for Minera San Cristobal (MSC). The focus of the study is to upgrade ~400kt of marginal grade Zn, Pb and Ag ore via Grade Engineering screening and then campaign the upgraded product through the concentrator over several days to quantify concentrator impacts due to Grade Engineering.

    Read More
  • 24 January 2018: Bottlenecks, constraints, call them what you like. Every operation has to deal with the shifting nature of processing pain points as the orebody is progressively mined. Heterogeneity of ore can sometimes be blended to produce a consistent feed to a plant but more often than not operators need to deal with the variability in the feed’s metallurgical properties. So it’s important to know how big an issue the variability in the mine plan is for the processing production plan and in a recent Integrated Extraction Simulator (IES) project, that’s exactly what was investigated.

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  • 24 January 2018: CRC ORE has been involved in a number of high profile events in recent months. Read more about CRC ORE’s Annual Assembly line up and a successful site-based innovation leadership talk with Sumitomo at IMARC2017. CRC ORE also cooperated with METS Ignited to organise an initial consultation session for the consideration of a new CRC for the mining industry at IMARC. A couple of short courses were held – one on Geometallurgy in Tasmania and the respected Gold Plant Operators Course which was run in Kalgoorlie late last year.

    We are in the process of putting together the schedule for the coming year. Stay tuned for a listing of upcoming events in the next edition.

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