Zonal Geochemistry and Elasticity Characteristics of Gallium- and Lithium-Rich No. 6 Coalbed in the Haerwusu Mine, North China
Abstract
:1. Introduction
2. Geological Setting and Core Sampling
2.1. Geological Setting
2.2. Core Sampling and Testing
2.3. Overall Geochemistry Characteristics
3. Zonal Geochemistry Characteristics
3.1. Classification Methodology
3.2. Zonal Geochemistry Characteristics after Two-Class Classification
3.3. Zonal Geochemistry Characteristics after Three-Class Classification
4. Zonal Elasticity Characteristics
4.1. Rock Physics Modeling Strategy
4.2. Overall Elasticity Characteristics
4.3. Rock Physics Modeling Validation
4.4. Zonal Elasticity Characteristics after Three-Class Classification
5. Discussion
5.1. Interpretation Method with Compositional Ternary Plot
5.2. Interpretation Method with Elasticity Cross Plot
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A. V-R-H Average
Appendix B. DEM Model
Appendix C. Gassmann Fluid Replacement
Appendix D. Elastic Parameter Transformation
References
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Sample | OM vol% | Kln vol% | Qtz vol% | Py vol% | Rt vol% | Cal vol% | Sd vol% | Bhm vol% | Ga μg/g | Li μg/g | Class |
---|---|---|---|---|---|---|---|---|---|---|---|
H-1-C | 88.2 | 11.6 | 0.2 | 0 | 0 | 0 | 0 | 0 | 19 | 40 | I |
H-2-C | 74.6 | 25.1 | 0.2 | 0 | 0.1 | 0 | 0 | 0 | 26 | 91 | I |
H-3-C | 78 | 21 | 0.6 | 0 | 0 | 0.4 | 0 | 0 | 21 | 100 | I |
H-4-C | 88 | 10 | 0.6 | 0.2 | 0.4 | 0.2 | 0 | 0.6 | 27 | 95 | I |
H-5-C | 82.6 | 15.7 | 0 | 0.2 | 0.2 | 0 | 0 | 1.3 | 8.9 | 254 | I |
H-6-C | 94.8 | 2 | 0.6 | 0 | 0.2 | 0.2 | 0 | 2.2 | 40 | 13 | II |
H-7-C | 82 | 3 | 1.6 | 0.6 | 0.4 | 0 | 0 | 12.4 | 36 | 129 | III |
H-8-C | 84.6 | 4.3 | 0.4 | 0.4 | 0.2 | 1.6 | 0 | 8.5 | 18 | 37 | III |
H-9-C | 97.2 | 1.3 | 0.5 | 0.2 | 0 | 0 | 0 | 0.8 | 12 | 1.2 | II |
H-10-C | 90.3 | 2.4 | 0.7 | 0.4 | 0 | 1.5 | 0 | 4.7 | 13 | 62 | III |
H-11-C | 79.6 | 12.6 | 1.6 | 0.4 | 0 | 0.6 | 0 | 5.2 | 15 | 231 | I |
H-12-C | 80.5 | 12.2 | 0.7 | 0.2 | 0 | 1.4 | 0 | 5 | 14 | 222 | I |
H-13-C | 91.2 | 1.6 | 1.8 | 0.4 | 0.2 | 1.2 | 0 | 3.6 | 16 | 29 | III |
H-14-C | 84.7 | 6 | 0.8 | 0.4 | 0 | 0.6 | 0.2 | 7.3 | 27 | 70 | III |
H-15-C | 90.5 | 3.4 | 0.4 | 0.6 | 0 | 1.9 | 0.2 | 3 | 12 | 30 | III |
H-16-C | 94.3 | 1.1 | 0.4 | 0.9 | 0 | 2 | 0 | 1.3 | 16 | 23 | II |
H-17-C | 91.6 | 2.6 | 0.6 | 0.2 | 0 | 2.2 | 0 | 2.8 | 16 | 82 | III |
H-18-C | 96.4 | 1.9 | 0.2 | 0.2 | 0 | 1 | 0 | 0.3 | 7.4 | 3.9 | II |
H-19-C | 96.6 | 1 | 0.2 | 0 | 0 | 1 | 0 | 1.2 | 16 | 20 | II |
H-20-C | 97 | 1 | 0.4 | 0.2 | 0 | 0.8 | 0 | 0.6 | 11 | 0.06 | II |
H-21-C | 90.7 | 6.5 | 0.8 | 0 | 0 | 1 | 0 | 1 | 9.7 | 273 | II |
H-22-C | 87.2 | 7.1 | 0.2 | 0.2 | 0 | 0.7 | 0 | 4.6 | 15 | 48 | III |
H-23-C | 96.1 | 2.3 | 0.2 | 0 | 0 | 0.2 | 0 | 1.2 | 20 | 41 | II |
H-24-C | 87.8 | 8.1 | 0 | 0.2 | 0 | 0.6 | 0 | 3.3 | 15 | 301 | III |
H-25-C | 85.4 | 6.3 | 0 | 0.9 | 0 | 6 | 0 | 1.4 | 12 | 324 | I |
H-26-C | 84.9 | 14.1 | 0 | 0.2 | 0 | 0.8 | 0 | 0 | 19 | 129 | I |
H-27-C | 84.1 | 15.5 | 0 | 0.2 | 0 | 0.2 | 0 | 0 | 23 | 470 | I |
H-28-C | 81.7 | 13.1 | 0 | 1.4 | 0 | 3.8 | 0 | 0 | 22 | 169 | I |
H-29-C | 73 | 19 | 0 | 3.2 | 0 | 4.8 | 0 | 0 | 23 | 87 | I |
Content | PC1 | PC2 | PC3 | PC4 | PC5 |
---|---|---|---|---|---|
Organic | 0.67 | 0.09 | −0.33 | 0.10 | 0.65 |
Kaolinite | −0.66 | −0.35 | −0.18 | −0.05 | 0.64 |
Calcite | −0.20 | 0.78 | −0.08 | −0.57 | 0.14 |
Pyrite | −0.26 | 0.52 | 0.04 | 0.81 | 0.09 |
Boehmite | 0.11 | 0.01 | 0.92 | −0.06 | 0.37 |
Content | Eigenvalues | Variance Contributions | Cumulative Contributions |
---|---|---|---|
PC1 | 0.62 | 0.50 | 0.50 |
PC 2 | 0.32 | 0.25 | 0.75 |
PC 3 | 0.27 | 0.21 | 0.96 |
PC 4 | 0.04 | 0.04 | 1.00 |
PC5 | 0.00 | 0.00 | 1.00 |
Density (g/cc) | Bulk Modulus (GPa) | Shear Modulus (GPa) | |
---|---|---|---|
Kaolinite | 2.44 | 44 | 22 |
Quartz | 2.65 | 37 | 44 |
Pyrite | 4.93 | 147.4 | 132.5 |
Calcite | 2.71 | 76.8 | 32 |
Boehmite | 3.04 | 87.5 | 64.03 |
Organic | 1.30 | 2.9 | 2.7 |
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Fu, J.; Chen, T.; Cui, F. Zonal Geochemistry and Elasticity Characteristics of Gallium- and Lithium-Rich No. 6 Coalbed in the Haerwusu Mine, North China. Minerals 2024, 14, 404. https://doi.org/10.3390/min14040404
Fu J, Chen T, Cui F. Zonal Geochemistry and Elasticity Characteristics of Gallium- and Lithium-Rich No. 6 Coalbed in the Haerwusu Mine, North China. Minerals. 2024; 14(4):404. https://doi.org/10.3390/min14040404
Chicago/Turabian StyleFu, Jiannan, Tongjun Chen, and Fan Cui. 2024. "Zonal Geochemistry and Elasticity Characteristics of Gallium- and Lithium-Rich No. 6 Coalbed in the Haerwusu Mine, North China" Minerals 14, no. 4: 404. https://doi.org/10.3390/min14040404