Training Centre Publications

Yang, L.; Chen, L.; Tang, D.; Zanin, M.; Aldrich, C.; Asamoah, R. Roping Prediction Versus Detection: Could Prediction Be Possible? Minerals2025, 15, 110. https://doi.org/10.3390/min15020110

Zahra Ghasemi, Mehdi Neshat, Chris Aldrich, Max Zanin, Lei Chen, Optimising SAG mill throughput and circulating load using machine learning models: A multi-objective approach for identifying optimal process parameters, Minerals Engineering, Volume 232, 2025, 109551, ISSN 0892-6875, https://doi.org/10.1016/j.mineng.2025.109551. (https://www.sciencedirect.com/science/article/pii/S0892687525003796)

Richmond K. Asamoah, Kwaku B. Owusu, Difan Tang, Lei Chen, Unique acoustic response of varying feed size in autogenous/semi-autogenous (AG/SAG) mills, Minerals Engineering, Volume 233, 2025, 109648, ISSN 0892-6875, https://doi.org/10.1016/j.mineng.2025.109648. (https://www.sciencedirect.com/science/article/pii/S0892687525004765)

Difan Tang, Lei Chen, Richmond Komla Asamoah, Eric Hu, Online particle-size monitoring for hydrocyclone overflow: Where is the beacon?, Minerals Engineering, Volume 233, 2025, 109553, ISSN 0892-6875, https://doi.org/10.1016/j.mineng.2025.109553. (https://www.sciencedirect.com/science/article/pii/S0892687525003814)

Zahra Ghasemi, Mehdi Neshat, Chris Aldrich, Max Zanin, Lei Chen, Optimising SAG mill throughput and circulating load using machine learning models: A multi-objective approach for identifying optimal process parameters, Minerals Engineering, Volume 232, 2025, 109551, ISSN 0892-6875, https://doi.org/10.1016/j.mineng.2025.109551. (https://www.sciencedirect.com/science/article/pii/S0892687525003796)

Fidelibus, Corrado, et al. “A code for the 2D simulation of the steady-state fluid flow in porous blocks containing transmissive fractures” Journal of Hydrology and Hydromechanics, vol. 73, no. 2, Slovak Academy of Sciences, Institute of Hydrology, 2025, pp. 121-131. https://doi.org/10.2478/johh-2025-0008

Ahmadreza Khodayari, Chaoshui Xu, Peter Dare Bryan, Peter Dowd, Veljko Lapcevic, Andrew Metcalfe, Impact of blast design parameters on rock fragmentation in sub-level caving: A multivariate regression approach, Journal of Rock Mechanics and Geotechnical Engineering, 2025, ISSN 1674-7755, https://doi.org/10.1016/j.jrmge.2025.07.038. (https://www.sciencedirect.com/science/article/pii/S1674775525005256)

Dadzie, R.A.; Zanin, M.; Skinner, W.; Addai-Mensah, J.; Asamoah, R.; Abaka-Wood, G.B. Reprocessing of Sulphide Flotation Tailings for Copper Recovery: Characterisation. Minerals2025, 15, 649. https://doi.org/10.3390/min15060649

Amos Judge, G. Abaka-Wood, C. Greet, W. Skinner, R. Asamoah, Comminution environment-defined collector adsorption behaviour of copper sulphide ore, Minerals Engineering, Volume 233, 2025, 109643, ISSN 0892-6875, https://doi.org/10.1016/j.mineng.2025.109643. (https://www.sciencedirect.com/science/article/pii/S0892687525004716)

Habibi, Z.; Cook, N.J.; Ehrig, K.; Ciobanu, C.L.; Campo-Rodriguez, Y.T.; King, S.A. Minor and Trace Elements in Copper Tailings: A Mineralogical and Geometallurgical Approach to Identify and Evaluate New Opportunities. Minerals2025, 15, 1018. https://doi.org/10.3390/min15101018

Nyarko, D., Drechsler, M., Amos-Judge, T., Abaka-Wood, G., Skinner, W., Zanin, M., & Asamoah, R. Effect of comminution mechanism on flotation of coarse composites. Minerals Engineering, 235, 109851. https://doi.org/https://doi.org/10.1016/j.mineng.2025.109851

Nyarko, D., Zanin, M., Tsatouhas, Seaman, D., G., Abaka-Wood, G., Skinner, W., & Asamoah, R. (2025). Flotation of a Coarsely Ground Porphyry Copper Ore: Insights into Collector Efficiency. Powder Technology. 121986. https://doi.org/10.1016/j.powtec.2025.121986 

Amos-Judge, T., Abaka-Wood, G., Greet, C., Zanin, M., Skinner, W. and Asamoah, R., 2025. Post Dry Grinding Storage Protocol: Impact on Downstream Flotation Processes. Mineral Processing and Extractive Metallurgy Review, pp.1-19.”. https://doi/full/10.1080/08827508.2025.2591896

Dadzie, R. A., Zanin, M., Skinner, W., Addai-Mensah, J., Asamoah, R., & Abaka-Wood, G. B. (2025). Reprocessing of Sulphide Flotation Tailings for Copper Recovery: Characterisation. Minerals, 15(6), 649. https://www.mdpi.com/2075-163X/15/6/649.

Ayedzi, L.D., Zanin, M., Skinner, W., Abaka-Wood, G.B. 2024. Characterisation of a nickel sulfide concentrate and its implications on pentlandite beneficiation. Minerals, 14(4), 414. https://doi.org/10.3390/min14040414

Baizhiyen, N., Dowd, P., Xu, C., Lewis, D. 2024. Numerical investigation of the applicability of preferential grade deportment by size. Minerals, 14, 670. https://doi.org/10.3390/min14070670

Ciobanu, C., Cook, N., Yao, J., Slattery, A., Wade, B., Dima, G., 2024. Ehrigite, Bi8Te3, a New Member of the Tetradymite Group. The Canadian Journal of Mineralogy and Petrology. https://doi.org/10.3749/2400023

Ghasemi, Z., Neshat, M., Aldrich, C., Karageorgos, J., Zanin, M., Neumann, F., Chen, L. 2024. Enhanced Genetic Programming Models with Multiple Equations for Accurate Semi-Autogenous Grinding Mill Throughput Prediction. IEEE Congress on Evolutionary Computation (CEC), Yokohama, Japan, pp. 1-9, doi: 10.1109/CEC60901.2024.10611827

Ghasemi, Z., Neumann, F., Zanin, M., Karageorgos, J., Chen, L. 2024. A comparative study of prediction methods for semi-autogenous grinding mill throughput. Minerals Engineering, 205, 108458. https://doi.org/10.1016/j.mineng.2023.108458

Ghasemi, G., Neshat, M., Aldrich, C., Karageorgos, J., Zanin, M., Neumann, F., Chen, L., 2024. An integrated intelligent framework for maximising SAG mill throughput: Incorporating expert knowledge, machine learning and evolutionary algorithms for parameter optimisation, Minerals Engineering, 212,108733. https://doi.org/10.1016/j.mineng.2024.108733

Khodayari, A. R., Xu, C., Dowd, P., Dare-Bryan, P. C., & Metcalfe, A. 2024, June. Sub-Level Caving Blast Modelling to Determine the Impact of Blast Design Parameters and Rock Mass Characteristics on Fragmentation. In ARMA US Rock Mechanics/Geomechanics Symposium (p. D031S031R003). ARMA. https://doi.org/10.56952/ARMA-2024-0522

King, S.A., Cook, N.J., Ciobanu, C.L., Ehrig, K., Rodriguez, Y.T.C., Basak, A., Gilbert, S. 2024. Coupled Microstructural EBSD and LA-ICP-MS Trace Element Mapping of Pyrite Constrains the Deformation History of Breccia-Hosted IOCG Ore Systems. Minerals, 14(2), 198. https://doi.org/10.3390/min14020198

Lapcevic, V., Khodayari, A., Xu, C., Torbica, S. & Dowd, P. 2024. Numerical assessment of explosive charge misfire impact on gravity flow in sublevel caving. The MassMine 2024 conference. Conference Proceeding September 2024. https://www.researchgate.net/publication/384381153_Numerical_assessment_of_explosive_charge_misfire_impact_on_gravity_flow_in_sublevel_caving

Lartey C., Liu J., Asamoah R.K., Greet C., Zanin M., Skinner W. 2024. Effective Outlier Detection for Ensuring Data Quality in Flotation Data Modelling Using Machine Learning (ML) Algorithms. Minerals. 14(9): 925 https://doi.org/10.3390/min14090925

Nobahar, P., Shirani Faradonbeh, R., Almasi, S.N. et al. 2024. Advanced AI-Powered Solutions for Predicting Blast-Induced Flyrock, Backbreak, and Rock Fragmentation. Mining, Metallurgy & Exploration. https://doi.org/10.1007/s42461-024-01028-9

Nobahar, P., Xu, C., Dowd, P., Shirani Faradonbeh, R., 2024. Exploring Digital Twin Systems in Mining Operations: A Review. Green and Smart Mining Engineering. https://doi.org/10.1016/j.gsme.2024.09.003

Pawliszak, P., Beheshti, A., Møller, A., Blencowe, A., Beattie, D.A., Krasowska, M. 2024. Increasing surface hydrophilicity with biopolymers: a combined single bubble collision, QCM-D and AFM study, Journal of Colloid and Interface Science, 667, 393-402. https://doi.org/10.1016/j.jcis.2024.04.073

Peukert, D., Xu, C., Dowd, P., 2024. Validation of a PGNAA sensor model for bulk material sorting, Minerals Engineering, 217, 108950, ISSN 0892-6875, https://doi.org/10.1016/j.mineng.2024.108950

Yang, L., Tang, D., Chen, L., Aldrich, C., Zanin, M., Peukert, D., 2024. Online mass-flow-rate measurement of high-intensity gas-conveyed particle flow for dry mineral processing, Powder Technology, 120329, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2024.120329

Ciobanu, C., Cook, N., Yao, J., Slattery, A., Wade, B., Dima, G. (2024). Ehrigite, Bi8Te3, a New Member of the Tetradymite Group. The Canadian Journal of Mineralogy and Petrology. https://doi.org/10.3749/2400023

Nobahar, P., Xu, C., Dowd, P., Shirani Faradonbeh, R., 2024. Exploring Digital Twin Systems in Mining Operations: A Review, Green and Smart Mining Engineering, ISSN 2950-5550, https://doi.org/10.1016/j.gsme.2024.09.003

Abildin, Y., Xu, C., Dowd, P.A., and Adeli, A. 2023. Geometallurgical Responses on Lithological Domains Modelled by a Hybrid Domaining Framework. Minerals, 13(7), 918; https://doi.org/10.3390/min13070918

Abulkhair, S., Dowd, P.A., Xu, C. 2023. Geostatistics in the Presence of Multivariate Complexities: Comparison of Multi-Gaussian Transforms. Mathematical Geosciences, 55, pp. 713-734. https://doi.org/10.1007/s11004-023-10056-y

Chen, J., Lu, T-F., Peukert, D., Dowd, P. 2023. A numerical sensitivity study – The effectiveness of RFID-based ore tracking through a simulated coarse ore stockpile and the impacts of key process variables. Powder Technology, 429, 118939. https://doi.org/10.1016/j.powtec.2023.118939

Dowd, P., Pardo-Iguzquiza, E. 2023. The Many Forms of Co-kriging: A Diversity of Multivariate Spatial Estimators, Mathematical Geosciences, https://doi.org/10.1007/s11004-023-10104-7

Hoyos, M.V., Cook, N.J., Hessel, V. 2023. Moon Resources and a Proposition for Supply Chains. In: de Zwart, M., Henderson, S., Culton, J., Turnbull, D., Srivastava, A. (eds) Human Uses of Outer Space. Issues in Space. Springer, Singapore. https://doi.org/10.1007/978-981-19-9462-3_6

Lartey, C., Skinner, W., Asamoah, R., Greet, C., Zanin, M., Liu, J. 2023. Outlier Detection in Sensed Froth Flotation Data. Minerals Engineering.

Møller, A., Beheshti, A., Skinner, W., Franks, G., Beattie, D., Krasowska, M. 2023. Hydrophobic surfaces in mineral flotation: The effect of (physical and chemical) heterogeneity on wettability and wetting film stability, pp 494 – 502. In Encyclopedia of Solid-Liquid Interfaces, Edited by K. Wandelt and G. Bussetti. https://doi.org/10.1016/B978-0-323-85669-0.00126-4

Owusu, K.B., Skinner, W., Greet, C., and Asamoah, R.K. 2023. Acoustic sensing of fresh feed disturbances in a locked-cycle laboratory AG/SAG mill, Minerals, 13(7), article no. 868, 1-11. https://doi.org/10.3390/min13070868

Pardo-Igúzquiza, E.,Montillet, J.P., Sanchez-Morales, J., Dowd, P.A., Luque-Espinar, J.A., Darbehesti, N and Rodriguez-Tover, F.J. 2023. Assessing terrestrial water storage variations in southern Spain using rain fall estimates and GRACE data. Hydrology, 10 (9), 187, https://doi.org/10.3390/hydrology10090187

Pardo-Igúzquiza, E., Dowd, P.A., Luque-Espinar, J.A. and Chica-Olmo. 2023. Increasing knowledge of the transmissivity field of a detrital aquifer by geostatistical merging of different sources of information. Hydrogeology Journal. https://doi.org/10.1007/s10040-023-02644-3

Abulkhair, S., Madani, N. 2021. Assessing heterotopic searching strategy in hierarchical co-simulation for modelling the variables with inequality constraints. Comptes Rendus. Géoscience, 353(1), 115-134. https://doi.org/10.5802/crgeos.58

Adeli, A., Dowd, P.A., Emery, X. and Xu, C. 2021. Using cokriging to predict metal recovery accounting for non-additivity and preferential sampling designs. Minerals Engineering, 170, 106923. https://doi.org/10.1016/j.mineng.2021.106923

Chagas J.B.C., Blank, J., Wagner, M., Souza, J.F.M., and Kalyanmoy, D. 2021. A non-dominated sorting based customized random-key genetic algorithm for the bi-objective traveling thief problem. Journal of Heuristics, 27, pages 267–301 https://link.springer.com/article/10.1007/s10732-020-09457-7

Chagas, J.B.C., Wagner, M. 2021. A weighted-sum method for solving the bi-objective traveling thief problem Computers & Operations Research, 138, https://www.sciencedirect.com/science/article/pii/S0305054821002926

Chagas, J.B.C., Wagner, M. 2021. Efficiently solving the thief orienteering problem with a max–min ant colony optimization approach. Optimization Letters, https://link.springer.com/article/10.1007%2Fs11590-021-01824-y

Forson, P., Zanin, M., Skinner, W., Asamoah, R., 2021. Differential flotation of pyrite and arsenopyrite: Effect of hydrogen peroxide and collector type. Minerals Engineering, 163, 106808 https://doi.org/10.1016/j.mineng.2021.106808

Li, Y., Sepulveda, E., Xu, C., Dowd, P.A., 2021. A raprid updating method to predict grade heterogeneity at smaller scales, Mathematical Geosciences, 53(6), 1237 – 1260. https://doi.org/10.1007

Pardo-Igúzquiza, E. and Dowd, P.A. 2021. Identification and delineation of the Earth’s large-scale closed terrain depressions and their fractal size-distribution. Mathematical Geosciences, 53, 1027-1045. https://doi.org/10.1007/s11004-020-09888-9

Pardo-Igúzquiza, E. Dowd, P.A. and Naor, R. 2021. Automatic mapping and spatial analysis of high spatial resolution closed terrain depressions and mounds on Martian landscapes. Icarus, Manuscript Number: ICARUS-D-21-00011R2. https://doi.org/10.1016/j.icarus.2021.114632

Pardo-Igúzquiza, E. and Dowd, P.A. 2021. The mapping of closed depressions and its contribution to the geodiversity inventory. International Journal of Geoheritage and Parks, 23 November 2021. https://doi.org/10.1016/j.ijgeop.2021.11.007

Sepulveda, E., Dowd, P.A., and Xu, C. 2021. A novel index for quantifying small-scale resource heterogeneity, Mathematical Geosciences, 54, 243 – 282. https://doi.org/10.1007/s11004-021-09968-4

Wang, H., Dowd, P.A. and Xu, C. 2021. Modelling pyrite oxidation in a refractory gold ore stockpile to estimate the gold recovery via direct cyanide leaching – A case study. Minerals Engineering, 173, 107177. https://doi.org/10.1016/j.mineng.2021.107177

Xu, C., Dong, S, Wang, H., Wang, Z., Xiong, F., Jiang, Q., Zeng, L., Faulkner, L., Tian, Z. and Dowd, P.A. 2021. Modelling of coupled hydro-thermo-chemical fluid flow through rock fracture networks and Its applications. Geosciences, Special Issue on Quantitative Fractured Rock Hydrology, 11, 153. https://doi.org/10.3390/geosciences11040153

Xu, C., Dowd, P.A.,Nguyen, N. and Wang, W. 2021. Non-parametric three-dimensional discrete fracture modelling from fracture mapping data. Boletín Geológico y Minero, 131 (3): 55-76. 10.21701/bolgeomin.131..005

Xu, S., Zanin, M., Skinner, W., Brito e Abreu, S., 2021. Surface chemistry of oxidised pyrite during grinding: EDTA extraction analysis. Minerals Engineering, 160, 106683 https://doi.org/10.1016/j.mineng.2020.106683

Zanin, M., Chan, E., Skinner, W., 2021. Modelling the fluidised bed in HydroFloat™ for improved process control. Powder Technology, 388, pp. 241–250 https://doi.org/10.1016/j.powtec.2021.04.089

Jeuken, R., Xu, C. and Dowd, P.A. 2020. Improving Coal Quality Estimations with Geostatistics and Geophysical Logs. Natural Resources Research, 29, 1-18. https://doi.org/10.1007/s11053-019-09609-y

Jorreto-Zaguirre, S., Dowd, P.A., Pardo-Igúzquiza, E., Pulido-Bosch, A. and Sanchez-Martos, F. 2020. Stochastic simulation of the heterogeneity of deltaic hydro-facies accounting for the uncertainty of facies proportions. Frontiers in Earth Sciences special edition on Stochastic Modelling in Hydrogeology. https://doi.org/10.3389/feart.2020.563122

Li, Y., Sepulveda, E., Xu, C., Dowd, P.A. 2020. A Rapid updating method to predict grade heterogeneity at smaller scales. Mathematical Geosciences. https://doi.org/10.1007/s11004-020-09901-1

Pardo-Igúzquiza, E., Dowd, P.A. and and Telbisz, T. 2020. On the size-distribution of solution dolines in carbonate karst: Lognormal or power model? Geomorphology, 351, article 106972. https://doi.org/10.1016/j.geomorph.2019.106972

Pardo-Igúzquiza, E. and Dowd, P.A. 2020. Identification, delineation and morphometric analysis of closed terrain depressions on Mars. Icarus, 348. https://doi.org/10.1016/j.icarus.2020.113869

Pardo-Igúzquiza, E. and Dowd, P.A. 2020. Identification and delineation of the Earth’s large-scale closed terrain depressions and their fractal size-distribution. Mathematical Geosciences. https://doi.org/10.1007/s11004-020-09888-9

Pardo-Igúzquiza, E. and Dowd, P.A. 2020. Fractal analysis of karst landscapes. Mathematical Geosciences, 52 (4), 543-561. https://doi.org/10.1007/s11004-019-09803-x

Pardo-Igúzquiza, E., Dowd, P.A. and Rizo-Decelis, L.D. 2020. On sinkholes and galaxies: an example of fractal universality. Mathematical Geosciences, 52 (5), 639-650. https://doi.org/10.1007/s11004-019-09817-5

Wang, Z., Xu, C., Dowd, P.A., Xiong, F. and Wang, H. 2020. A non-linear version of the Reynolds equation for flow in rock fractures with complex void geometries. Water Resources Research, 56 (2), e2019WR026149. https://doi.org/10.1029/2019WR026149