DOI: 10.25909/25530055.v1
title: Supplemental Material: Zircon petrochronology and mineral equilibria of the eclogites from western Tasmania: Interrogating the early Palaeozoic East Gondwana subduction record

description: <b>Supplementary material for Brown (2024), PhD thesis - Chapter 4 - </b><b>Zircon petrochronology and mineral equilibria of the eclogites from western Tasmania: Interrogating the early Palaeozoic East Gondwana subduction record</b><b>Figure S1.</b> Annotated <i>P–Mo </i>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 Fe<sup>3+</sup> (Fe<sub>2</sub>O<sub>3</sub> = 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.<b>Figure S2.</b> Annotated <i>P–Mo </i>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 Fe<sup>3+</sup> (Fe<sub>2</sub>O<sub>3</sub> = 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.<b>Figure S3.</b> TCInvestigator modelled mineral composition isopleths (a-e) and mineral modal proportions (f-k) in mol%. Calculated for pseudosection FMC-1 in Figure 4.10.<b>Figure S4.</b> TCInvestigator modelled mineral composition isopleths in mol%. Calculated for pseudosection FMC-9 in Figure 4.9.<b>Table S1. </b>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.<b>Table S2. </b>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. <b>Table S3. </b>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). <b>Table S4.</b> 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.