Dataset Information

Guo, Jie; ORCID: 0009-0007-4447-6296
Haozheng, Wang; ORCID: 0000-0002-6154-9561

This dataset is updated supplementary material for research article titled "Evaluation of Machine Learning-based Clinopyroxene Thermobarometers", including code and tables. Code: Python code for calculating the Mahalanobis distance and threshold. Table: 1. Table S1 Evaluation Dataset. 2. Table S2 Calculated Mahalanobis Distances: Table S2–1 Calculated Mahalanobis distances between each analysis in the evaluation dataset and the applicability domains of ML-based Cpx-only thermobarometers; Table S2–2 Calculated Mahalanobis distances between each analysis in the evaluation dataset and applicability domains of ML-based Cpx-Liq thermobarometers. 3. Table S3 Predicted Pressure and Temperature: Table S3–1 Predicted temperatures and pressures within applicability domains of ML-based Cpx thermobarometers; Table S3–2 Predicted temperatures and pressures outside applicability domains of ML-based Cpx thermobarometers; Table S3–3 Calculated temperatures and pressures by the Eq33&NP17 iterative thermobarometer; Table S3–4 Predicted pressures of diverse clinopyroxenes from Haoti Cenozoic melilitites. 4. Table S4 Recommendation result of ML-based Cpx thermobarometer selecting framework for diverse clinopyroxenes from Haoti Cenozoic melilitites.

Guo, J., Haozheng, W., 2026. A compiled experimental dataset of clinopyroxene-liquid pairs (2021-2025) for evaluating machine learning-based clinopyroxene, Version 1.0. Interdisciplinary Earth Data Alliance (IEDA). https://doi.org/10.60520/IEDA/114343. Accessed 2026-07-14.

2026-07-07

Rebaza, A. M., Mallik, A. & Straub, S. M. (2023). Multiple Episodes of Rock-Melt Reaction at the Slab-Mantle Interface: Formation of High Silica Primary Magmas in Intermediate to Hot Subduction Zones. Journal of Petrology 64, egad011. https://doi.org/10.1093/petrology/egad011

Blatter, D. L., Sisson, T. W. & Hankins, W. B. (2023). Garnet stability in arc basalt, andesite, and dacite—an experimental study. Contributions to Mineralogy and Petrology 178, 33. https://doi.org/10.1007/s00410-023-02008-w

Borghini, G., Fumagalli, P. & Rampone, E. (2022). Melt–rock interactions in a veined mantle: pyroxenite–peridotite reaction experiments at 2 GPa. European Journal of Mineralogy 34, 109-129. 10.5194/ejm-34-109-2022

Borghini, G., Crotti, C. F. & Fumagalli, P. (2025). Clinopyroxenite generation via high-pressure crystallization of a moderately evolved MORB-type basalt: Experiments from 1.0 to 2.5 GPa. Lithos 510-511, 108123. https://doi.org/10.1016/j.lithos.2025.108123

Dupont de Dinechin, M., Martel, C., Balcone-Boissard, H., Rusiecka, M. K., Champallier, R. & Deloule, E. (2025). Experimental determination of lithium partitioning between plagioclase and hydrous rhyolitic melt. Chemical Geology 695, 123047. https://doi.org/10.1016/j.chemgeo.2025.123047

Fairchild, M. (2023). EXPERIMENTAL DETERMINATION OF LITHIUM PARTITIONING BETWEEN CLINOPYROXENE AND MELT. Cornell University.

Grützner, T., Prelević, D., Berndt, J. & Klemme, S. (2023). The origin of Na-alkaline lavas revisited: new constraints from experimental melting of amphibole-rich metasomes+lherzolite at uppermost mantle pressure. Contributions to Mineralogy and Petrology 178, 73. 10.1007/s00410-023-02052-6

He, Z., Li, Y., Hou, Z. & Huang, F. (2023). Crystal vs. melt compositional effects on the partitioning of the first-row transition and high field strength elements between clinopyroxene and silicic, alkaline, aluminous melts. American Mineralogist 108, 1924-1939. https://doi.org/10.2138/am-2022-8586

Ma, S. & Shaw, C. S. J. (2021). An Experimental Study of Trace Element Partitioning between Peridotite Minerals and Alkaline Basaltic Melts at 1250°C and 1 GPa: Crystal and Melt Composition Impacts on Partition Coefficients. Journal of Petrology 62. https://doi.org/10.1093/petrology/egab084

Marxer, F., Ulmer, P. & Müntener, O. (2021). Polybaric fractional crystallisation of arc magmas: an experimental study simulating trans-crustal magmatic systems. Contributions to Mineralogy and Petrology 177, 3. https://doi.org/10.1007/s00410-021-01856-8

Mouser, M. D. & Dygert, N. (2025). An experimental study of clinopyroxene- and garnet-melt trace element partitioning in Fe-rich basaltic systems. Advances in Geochemistry and Cosmochemistry 1, 719. https://doi.org/10.33063/agc.v1i2.719

Nakatani, T., Kudo, T. & Suzuki, T. (2022). Experimental Constraints on Magma Storage Conditions of Two Caldera-Forming Eruptions at Towada Volcano, Japan. Journal of Geophysical Research: Solid Earth 127, e2021JB023665. https://doi.org/10.1029/2021JB023665

Pimenta Silva, M., Marxer, F., Krashenninikov, S., Koch, L., Zech, R. F., Holtz, F., Ulmer, P. & Müntener, O. (2025). The role of oxygen fugacity in hydrous basaltic phase equilibria: experimental constraints at 0.2 and 0.8 GPa. Contributions to Mineralogy and Petrology 180, 83. https://doi.org/10.1007/s00410-025-02269-7

Salazar-Naranjo, A. F. & Vlach, S. R. F. (2023). New Experimental Constraints for the Evolution and Thermobarometry of Alkali Ultrabasic to Intermediate Igneous Rocks. Journal of Petrology 64, egad078. https://doi.org/10.1093/petrology/egad078

Shepherd, K., Namur, O., Toplis, M. J., Devidal, J.-L. & Charlier, B. (2022). Trace element partitioning between clinopyroxene, magnetite, ilmenite and ferrobasaltic to dacitic magmas: an experimental study on the role of oxygen fugacity and melt composition. Contributions to Mineralogy and Petrology 177, 90. https://doi.org/10.1007/s00410-022-01957-y

Creative Commons Attribution 4.0 International [CC-BY-4.0]

National Natural Science Foundation of China: 42072225
National Research Foundation of Korea: RS–2024–00442775
Sichuan Provincial Creativity Training program: S202410615124
Southwest Petroleum University’s Research Program: 2023KSZ02016

Coverage Scope: Other

Clinopyroxene; Thermobarometer; Machine Learning; Evaluation; Mahalanobis distance

2026-07-09

Collection