1. Department of Earth Resources Engineering, Graduate School of Engineering, Kyushu University, Fukuoka, Japan; WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth, Western Australia, Australia
2. Department of Earth Resources Engineering, Graduate School of Engineering, Kyushu University, Fukuoka, Japan
3. WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth, Western Australia, Australia
4. Computer Modelling Group Ltd., Calgary, Alberta, Canada
5. School of Chemical Engineering, Discipline of Mining and Petroleum Engineering, The University of Adelaide, Adelaide, Australia
6. Tendeka Co, Aberdeenshire, AB32 6FQ, United Kingdom