Panel of experts
Tony Cox has been a mining consultant for RHDHV (formerly known as Turgis Consulting) in the field of mechanisation and deep level massive mining, since 1999. He has recently become part of the project team, following the appointment of DRA Projects as the company’s preferred EPCM contractor. He has 50 years’ experience in the mining industry, the bulk of which has been in large underground mining, employing a wide range of mining methods suited to mechanisation. A high proportion of his experience has been in large open stoping and caving methods, particularly sub-level caving (11 years). This experience has extended to depths of 2 500m at Target and South Deep mines. As General Manager: Strategic Planning at Ashanti Goldfields he was responsible for the ore reserves generation in 1996 and 1997 under the JORC code.
Ian Gordon Hall Dun (BSc (Eng) and MSc) was the Director of Process Development at MINERACAO TABOCA SA (Brazil) – a company that was purchased by MINSUR SA. MINSUR SA owns and operates San Rafael, a high-grade, hard rock tin mine, which is considered to be the closest deposit to Bisie in the world. Ian has in excess of 43 years’ experience in plant metallurgy and mineral process management and engineering. He has deep functional knowledge of large gravity processing and large gravity circuit concentrating, the expansion of tin flotation circuits, the development and implementation of a (niobium, tantalum) 2O5 flotation circuit and experience in Falcon Gravity Gradiometry Technology. He has published articles in several industry magazines, including Mining Magazine. In 2005 he won the National Peruvian Mining Award for his article Recovery of Fine Cassiterite from Old Tailing. Ian has joined the Alphamin team to assist optimising Alphamin’s processing plant design.
The following “Qualified Persons” as defined in National Instrument 43-101 (NI 43-101) Standards of Disclosure of Mineral Project have reviewed and approved the relevant scientific and technical information contained in this Corporate Presentation and consented to it being filed with any stock exchange and other regulatory authority:
- JC Witley (BSc Hons, MSc (Eng.)) is a Principal Mineral Resource Consultant for The MSA Group, an independent geological consulting company to Alphamin and has reviewed and approved the scientific and technical information contained in this content.
- Andrew Pooley (B.Eng. (Hons) (Eng.)) is the Managing Director of Bara Consulting, an independent mine design consulting company to Alphamin and has reviewed and approved the scientific and technical information contained in this content.
- Roger Gordon Leighton (MSc (Eng.), FSAIMM) is a Lead Process Engineer of MDM Technical Africa (Pty) Ltd., an independent company to Alphamin and has reviewed and approved the scientific and technical information contained in this content.