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Gravity Gold 2010
On 21st and 22nd September, 105 delegates gathered for Gravity Gold 2010 in the Central Victorian City of Ballarat. Whilst a relatively small gathering, it was heartening to see some 28 international attendees representing Argentina, Canada, Colombia, Mexico, New Zealand, Peru, Philippines, South Africa and United Kingdom. The audience was dominated by metallurgists (75), but included exploration and mining geologists, mining engineers and a lone economist.
The geologically-based presentations emphasised the need for good sampling procedures, though above all other the need for strong geological input during both evaluation and production. Discussions also covered the challenges of reporting Mineral Resources for high-nugget (often gravity gold dominated) deposits with The JORC Code. A presentation on both geological and metallurgical sampling led to discussion on the often careless use of the word ‘representative’ in technical reports. The need for more care and rigour was emphasised when using the term.
The metallurgical papers covered a range of issues from metallurgical sampling and testing, equipment selection, scale-up issues, operational optimisation and gold room security. Innovations discussed covered underground processing and ultrafine gravity concentration.
On behalf of the Organising Committee, thanks are due to the authors and presenters of the technical papers for their quality contributions. In particular, thanks are due to the band of reviewers who undertook the task of maintaining the quality of the papers in the proceedings volume.
Finally, thanks are owed to the Principal Sponsors: Gekko Systems and Snowden Group; and Conference Sponsors: Amec Minproc Limited, Barrick Gold, Consep and Phillips Ormonde Fitzpatrick; and to the trade exhibitors: Action Mining, Consep, CPG Mineral Technologies, Gekko Systems HydroMet, Rocklabs, Sepro and Steinert.
Dr Simon Dominy FAusIMM (CP) - Conference Chairman
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