viii
Strontium Minerals as Critical Raw Materials—Market Dynamics, Processing Techniques, and
Future Challenges ................................................1296
Separation and Purification Innovations
A New Paradigm for the Recovery of Rare Earth Elements: The High Activity Flowsheet as
Applied to the Elk Creek Deposit. .......................................1309
A Novel Approach for Separating Iron and Rare Earths from Complex Polymetallic Ores via
Hydrogen-Based Mineral Phase Transformation: A Pilot-Scale Study. .....................1324
PaperWithdrawn� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1338
Preliminary Investigation of Using Deep Eutectic Solvents for REE Dissolution from Primary Ores and
Mine Tailings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1345
Process Intensification for Rare Earth Elements Adsorption by Resonant Vibratory Mixing ...........1351
Recovery of Rare Earth Elements by Supercritical CO2: A Mini Review. . . . . . . . . . . . . . . . . . . . 1365
Geometallurgy and Process Mineralogy
Using Geological Data to inform Metallurgical Processes
Applications of Advanced Gold Deportment Technique for Complex Refractory and Copper Gold Ores ....1379
Application of HIT in Orebody Hardness Domaining Using Exploration Samples. ..............1390
Geometallurgical Data Mining of Ore Processing Behavior and the Integrated Value Chain. . . . . . . . . . 1401
Mineralogy as a Key Indicator for Coal Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1409
Maximizing Total Profit Margin by Optimizing Coal Processing Operations. . . . . . . . . . . . . . . . . . 1423
Process Mineralogy at LKAB: The Connection Between Kirunatype Iron Ore Exploration and
Mineral Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1434
Applying Geometallurgical Principles for Metallurgical Sample Selection. ...................1442
TIMA Mineralogy and Whole Rock Geochemistry for Resource Characterization of the
Copper World Complex (Arizona). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1453
New Tests and Techniques in Geometallurgy
Latest Advances in 3D Characterization of Ore Particles for Mineral Processing by High Resolution
X-ray Computed Tomography. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1467
Characterization of Carbonaceous Matter to Assess its Influence on Metallurgical Responses in
Polymetallic Complex Ores. ..........................................1477
Chromium Ore Particles Circularity Measurement by Digital Image Processing. . . . . . . . . . . . . . . . 1488
Development of a Lab-Scale Test for Pre‑Concentration Evaluation . . . . . . . . . . . . . . . . . . . . . . 1496
Extensive Validation of New Rock Test Using the Hardgrove Mill with Torque Measurement
for the Determination of the Bond Ball Mill Work Index. ...........................1507
Integration of Hyperspectral Imaging and Geometallurgy ............................1516
The Geopyörä Index: A New Instrument for Assessing Comminution and Rock Strength Parameters . . . . . 1525
Working with Multi-Dimensional Particle Property Distributions. . . . . . . . . . . . . . . . . . . . . . . 1531
Process Mineralogy
Paper Withdrawn � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1537
Exploring Lithium Recovery Through Characterization of Pegmatite Type Ore. ................1548
Strontium Minerals as Critical Raw Materials—Market Dynamics, Processing Techniques, and
Future Challenges ................................................1296
Separation and Purification Innovations
A New Paradigm for the Recovery of Rare Earth Elements: The High Activity Flowsheet as
Applied to the Elk Creek Deposit. .......................................1309
A Novel Approach for Separating Iron and Rare Earths from Complex Polymetallic Ores via
Hydrogen-Based Mineral Phase Transformation: A Pilot-Scale Study. .....................1324
PaperWithdrawn� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1338
Preliminary Investigation of Using Deep Eutectic Solvents for REE Dissolution from Primary Ores and
Mine Tailings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1345
Process Intensification for Rare Earth Elements Adsorption by Resonant Vibratory Mixing ...........1351
Recovery of Rare Earth Elements by Supercritical CO2: A Mini Review. . . . . . . . . . . . . . . . . . . . 1365
Geometallurgy and Process Mineralogy
Using Geological Data to inform Metallurgical Processes
Applications of Advanced Gold Deportment Technique for Complex Refractory and Copper Gold Ores ....1379
Application of HIT in Orebody Hardness Domaining Using Exploration Samples. ..............1390
Geometallurgical Data Mining of Ore Processing Behavior and the Integrated Value Chain. . . . . . . . . . 1401
Mineralogy as a Key Indicator for Coal Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1409
Maximizing Total Profit Margin by Optimizing Coal Processing Operations. . . . . . . . . . . . . . . . . . 1423
Process Mineralogy at LKAB: The Connection Between Kirunatype Iron Ore Exploration and
Mineral Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1434
Applying Geometallurgical Principles for Metallurgical Sample Selection. ...................1442
TIMA Mineralogy and Whole Rock Geochemistry for Resource Characterization of the
Copper World Complex (Arizona). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1453
New Tests and Techniques in Geometallurgy
Latest Advances in 3D Characterization of Ore Particles for Mineral Processing by High Resolution
X-ray Computed Tomography. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1467
Characterization of Carbonaceous Matter to Assess its Influence on Metallurgical Responses in
Polymetallic Complex Ores. ..........................................1477
Chromium Ore Particles Circularity Measurement by Digital Image Processing. . . . . . . . . . . . . . . . 1488
Development of a Lab-Scale Test for Pre‑Concentration Evaluation . . . . . . . . . . . . . . . . . . . . . . 1496
Extensive Validation of New Rock Test Using the Hardgrove Mill with Torque Measurement
for the Determination of the Bond Ball Mill Work Index. ...........................1507
Integration of Hyperspectral Imaging and Geometallurgy ............................1516
The Geopyörä Index: A New Instrument for Assessing Comminution and Rock Strength Parameters . . . . . 1525
Working with Multi-Dimensional Particle Property Distributions. . . . . . . . . . . . . . . . . . . . . . . 1531
Process Mineralogy
Paper Withdrawn � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1537
Exploring Lithium Recovery Through Characterization of Pegmatite Type Ore. ................1548