Supplemental Material: Zircon petrochronology and mineral equilibria of the eclogites from western Tasmania: Interrogating the early Palaeozoic East Gondwana subduction record

Supplementary material for Brown (2024), PhD thesis - Chapter 4 - Zircon petrochronology and mineral equilibria of the eclogites from western Tasmania: Interrogating the early Palaeozoic East Gondwana subduction recordFigure S1. Annotated P–Mo section calculated for the bulk-rock composition of sample FMC-1. The interpreted peak metamorphic assemblage is signified in bold. White dashed lines represent the end-member boundaries between solid solution minerals clinopyroxene and epidote. The bold black dashed line represents the constrained Fe3+ (Fe2O3 = 3.68 wt%) determined from minimum and maximum mineral compositions, which are contoured with grey lines. The chemical system, temperature, and bulk-rock compositions (in mol%) are given above the pseudosection. V signifies the variance of each mineral assemblage.Figure S2. Annotated P–Mo section calculated for the bulk-rock composition of sample FMC-9. The interpreted peak metamorphic assemblage is signified in bold. White dashed lines represent the end-member boundaries between solid solution minerals clinopyroxene and epidote. The bold black dashed line represents the constrained Fe3+ (Fe2O3 = 0.33 wt%) determined from minimum and maximum mineral compositions, which are contoured with grey lines. The chemical system, temperature, and bulk-rock compositions (in mol%) are given above the pseudosection. V signifies the variance of each mineral assemblage.Figure S3. TCInvestigator modelled mineral composition isopleths (a-e) and mineral modal proportions (f-k) in mol%. Calculated for pseudosection FMC-1 in Figure 4.10.Figure S4. TCInvestigator modelled mineral composition isopleths in mol%. Calculated for pseudosection FMC-9 in Figure 4.9.Table S1. Representative EPMA results for primary solid solution minerals in samples FMC-1 and FMC-9. (i) signifies that the mineral is an inclusion. Numerical definitions for the notations quoted in the text (mineral chemistry section) are provided below.Table S2. LA–ICP–MS major and trace-element results for garnet. Trace-element data is provided for synthetic glass standard NIST-612 and standard GSG-1G. (bd) signifies below detection. Percent uncertainties (2σ) for each rare-earth element (La-Lu) are provided below the Table. Table S3. LA–ICP–MS major element, trace-element and U-Pb isotope results for zircon in mafic samples FMC-1 and FMC-9. U-Pb isotope data and trace-element data is provided for zircon standards GJ, Plesovice and 91500. Trace-element data is provided for synthetic glass standard NIST-610. (bd) signifies below detection. Pb is Pb(204). Table S4. LA–ICP–MS major element, trace-element and U-Pb isotope results for rutile. U-Pb isotope data and trace-element data is provided for rutile standards R10 and R19. Major and trace-element data is provided for synthetic glass standard NIST-610. Temperatures calculated from Zr-in-rutile using the calibration of Tomkins et al. (2007) are provided at pressures corresponding to the approximately constrained peak pressures of samples FMC-1 and FMC-9. (bd) signifies below detection. Pb is Pb(208). 2σ refer to propagated uncertainties.本补充材料为Brown（2024）博士学位论文第4章的配套资料——塔斯马尼亚西部榴辉岩的锆石岩石年代学与矿物平衡：解析早古生代东冈瓦纳俯冲记录。 Figure S1：标注型P-Mo视剖面图，基于样品FMC-1的全岩成分计算得到。解释的峰期变质矿物组合以粗体标注。白色虚线代表固溶体矿物单斜辉石（clinopyroxene）与绿帘石（epidote）之间的端元组分边界。黑色粗虚线代表根据矿物成分上下限确定的约束三价铁含量（Fe₂O₃=3.68 wt%），其边界以灰色等值线绘制。化学体系、温度及全岩成分（单位为摩尔百分比）标注于视剖面图上方。V代表各矿物组合的自由度。 Figure S2：标注型P-Mo视剖面图，基于样品FMC-9的全岩成分计算得到。解释的峰期变质矿物组合以粗体标注。白色虚线代表固溶体矿物单斜辉石与绿帘石之间的端元组分边界。黑色粗虚线代表根据矿物成分上下限确定的约束三价铁含量（Fe₂O₃=0.33 wt%），其边界以灰色等值线绘制。化学体系、温度及全岩成分（单位为摩尔百分比）标注于视剖面图上方。V代表各矿物组合的自由度。 Figure S3：TCInvestigator模拟的矿物成分等值线（a-e）与矿物摩尔百分比含量（f-k），基于图4.10中的FMC-1视剖面图计算得到。 Figure S4：TCInvestigator模拟的摩尔百分比矿物成分等值线，基于图4.9中的FMC-9视剖面图计算得到。 Table S1：样品FMC-1与FMC-9中原生固溶体矿物的代表性电子探针显微分析（Electron Probe Micro-Analyzer, EPMA）结果。括号内的(i)表示该矿物为包裹体。文本矿物化学章节中使用的符号的数值定义详见下文。 Table S2：石榴子石（garnet）的激光剥蚀-电感耦合等离子体质谱（Laser Ablation-Inductively Coupled Plasma Mass Spectrometry, LA–ICP–MS）主量与微量元素分析结果。微量元素数据包含合成玻璃标样NIST-612及标样GSG-1G的测试结果。(bd)表示低于检出限。表格下方给出了各稀土元素（rare-earth element, La至Lu）的百分比不确定度（2σ）。 Table S3：镁铁质样品FMC-1与FMC-9中锆石（zircon）的激光剥蚀-电感耦合等离子体质谱（LA–ICP–MS）主量元素、微量元素及铀-铅（U-Pb）同位素分析结果。锆石标样GJ、Plesovice及91500的U-Pb同位素数据与微量元素数据已提供。合成玻璃标样NIST-610的微量元素数据已提供。(bd)表示低于检出限。Pb指代²⁰⁴Pb。 Table S4：金红石（rutile）的激光剥蚀-电感耦合等离子体质谱（LA–ICP–MS）主量元素、微量元素及铀-铅（U-Pb）同位素分析结果。金红石标样R10与R19的U-Pb同位素数据与微量元素数据已提供。合成玻璃标样NIST-610的主量与微量元素数据已提供。采用Tomkins等人（2007）的校准公式，基于金红石中锆含量计算得到的温度，对应样品FMC-1与FMC-9近似约束的峰期压力条件。(bd)表示低于检出限。Pb指代²⁰⁸Pb。2σ代表传递不确定度。