AMC’s Geometallurgy Team

AMC’s Geometallurgy Team delivers a comprehensive set of in-house skills in mine geology, mining engineering, metallurgy, geotechnical engineering and data science to help our clients unlock additional value from their projects.

From mineral resource to mine-gate product, AMC provides end-to-end geometallurgical expertise.

AMC partners with companies such as Metso PRO, JK Tech and other leading process engineering companies to deliver end-to-end geometallurgy solutions.

We are pleased to introduce the key members of our specialized Geometallurgy Team below. Led by Geometallurgy Practice Leader, Ian Lipton and backed by AMC’s global multidisciplinary team of experts and a vast range of commodity and geographic experience, we provide geometallurgical guidance and support to clients across the mining world.

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Ian Lipton

Principal Geologist / Geometallurgy Practice Leader

Ian Lipton has more than 35 years of experience in mining geology, resource evaluation, and exploration, across more than 16 commodities. Ian’s mining expertise includes resource estimation, grade control, feasibility studies, technical audits and reviews, due diligence studies, independent technical specialist reports, and valuations. . Ian has been promoting geometallurgy for project improvement for more than 15 years and has been involved in a variety of geometallurgical investigations including throughput estimation, hardness and rock strength measurement, assessing the correlations between downhole geophysical logs, drill penetration data and ore hardness, sulphide flotation studies, and using multi-element geochemistry to characterize ore beneficiation processes.

Daniel Kahler

Principal Mining Engineer

With 19 years of experience as a mining engineer in both operational and technical roles, Daniel has broad mine engineering and management expertise. He has managed or played a lead role in numerous studies, ranging from scoping to detailed engineering. These include study reviews and technical reports using compulsory national instruments such as NI 43-101 and JORC.

Since January 2013, Daniel has been mentored by Brian Hall in strategy optimization, cut-off grade analysis, the use of grade descriptors, and the Hill-of-Value technique. He has completed a number of underground strategy optimizations using this technique. Daniel also wrote MCost™, AMC’s first-principles cost estimation software for underground mining.

Rob Chesher

Principal Metallurgist

Rob has more than 40 years of experience in the mining, oil and gas, and manufacturing sectors. His expertise is in corporate and technical (metallurgical) consulting, focusing on operational and performance reviews, improvements, and optimization. In his roles, Rob has been involved in studies and reviews at all levels in copper, gold, platinum, coal, nickel, and other base metals. He has a record of achieving significant and sustainable operational improvements across the mining, oil and gas, and manufacturing sectors. In addition to his work as part of AMC’s Geometallurgy Team, Rob has been the General Managerof AMC’s office in Brisbane since 2014.

Andrew Millar

Principal Metallurgist

With more than 16 years in the mining industry, Andrew is experienced in the mining project life-cycle from discovery to operations. His expertise includes metallurgical testwork (bench and pilot plants), process engineering and flowsheet design, as well as plant operation and optimisation. Andrew also has a strong focus on techno-economic modelling and financial evaluation of process flowsheets.

In addition, Andrew has experience in a variety of unit processes including comminution, flotation, gravity separation, ore sorting, hydrometallurgical processes and pyrometallurgical processes and his commodity experience includes coal, zinc, gold, silver, copper and lead.

Matthew Nimmo

Principal Geoscience and Mining Data Analyst

Matthew is a geologist with 25 years experience in the mining industry. After many years focused on mineral resource estimation and statistical modelling of geological data, Matthew branched out into more diverse analysis of geochemical, hydrology and geometallurgical data. Latterly, he worked as a data scientist for two years in the Maintenance Center of Excellence (McOE) at BHP, supporting their Total Equipment Strategy process.

Matthew is experienced in geostatistics, data cleaning, multivariate data analysis, data visualization, data validation, outlier detection, machine learning, optimization, classification, clustering, regression, dimension reduction, and applied computational intelligence. He is proficient with Datamine, Vulcan and R statistical programming and a variety of other software and programming languages. He qualifies as a CP/QP for a variety of commodities and deposit styles.

Adrian Penney

Principal Geotechnical Engineer

Adrian is a geotechnical engineer with more than 20 years’ experience in mining. Since graduating in 1997, Adrian has held both operational and consulting roles over his career. He is the Technical Services Manager at AMC’s office in Melbourne, with a specialty in underground metalliferous rock engineering. His main areas of expertise are in ground support selection, seismic data analysis, field investigations, geotechnical and mining studies, incident investigations, and incident investigations. Adrian is currently the Chair of the AusIMM Melbourne Branch, and is the Vice Chair and Geotechnical representative of the AusIMM Chartered Professional Program. In his spare time, Adrian enjoys spending time with his family, normally running his kids to various sporting interests.

Tracie Burrows

Geology Manager

Tracie is Geology Manager at AMC’s office in Melbourne. She has more than 27 years of minerals industry experience in mining operations, mineral resource estimation, auditing, and due diligence. Tracie has a broad range of experience in resource and project evaluation, feasibility studies, technical reviews, due diligence, project management, and mine operations, specializing in start-up and closure. Tracie has experience in: underground production in grade control deposits, mine closure, re-start and commissioning, base metals, nickel, hard rock tin, nickel sulphides, gold, and porphyry copper, acting as the Competent Person for reporting in accordance with the JORC Code.

Tracie is an experienced mentor and trainer. She has worked extensively with geologists to develop their practical skills, and acted as an advisor for career development.

Lachlan Macdonald

Principal Geologist

Lachlan is a principal geologist with more than 16 years of accumulated expertise across multiple commodities (copper, gold, iron, nickel, cobalt, molybdenum and others), international projects, and multi-national teams. He has led large technical geoscience teams through major studies, with a strong focus on geology, innovation, delivery and collaboration across the spectrum of geology and mining disciplines. Lachlan has worked on both open pit and underground projects. His primary focus now lies in mineral resource definition (drilling, data evaluation, geological interpretations and modelling). This extends to technical reviews of geological data and the preparation and estimation of mineral resource estimates using block modelling techniques and geostatistics. Lachlan is a specialist in a wide range of mining, modelling, geostatistical, analytical and database software. He qualifies as a Competent/Qualified Person under several international codes.

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2019-05-06T15:49:22+00:00