Figure F1 (continued). P. Sample PM27 (193-1188F-8Z-1, 26 cm): amygdaloidal coherent dacite. Powder of central part (excluding vein): P021 (XRF, ICP-MS, Cl, F,

Figure F1 (continued). P. Sample PM27 (193-1188F-8Z-1, 26 cm): amygdaloidal coherent dacite. Powder of central part (excluding vein): P021 (XRF, ICP-MS, Cl, F,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷S_{anhydrite + silicate}). Q. Sample PM29 (193-1188F-13Z-1, 0 cm): amygdaloidal coherent dacite, gray kernel, and white margin. Powders: P022 (margin: XRF, ICP-MS,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷Sr_{anhydrite + silicate}) and P023 (kernel: XRF, ICP-MS, Cl, F,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷Sr_{anhydrite + silicate}). R. Sample PM33 (193-1188F-19Z-1, 27cm): coherent dacite. Bulk rock powder: P024 (XRF, ICP-MS, Cl, F,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷Sr_{anhydrite + silicate}). S. Sample PM35 (193-1188F-23Z-2, 56 cm): amygdaloidal coherent dacite, gray-green kernel, and yellow margin. Powders: P025 (kernel: XRF, ICP-MS, Cl, F,

¹⁸O_silicate, ⁸⁶Sr/⁸⁷Sr_silicate) and P026 (margin, excluding vein: XRF, ICP-MS, Cl, F,

¹⁸O_silicate, ⁸⁶Sr/⁸⁷Sr_silicate). T. Sample PM36 (193-1188F-30Z-1, 30 cm): volcaniclastic breccia. Bulk rock powder: P027 (XRF, ICP-MS). U. Sample PM37 (193-1188F-34Z-1, 123 cm): volcaniclastic? breccia. Bulk rock powder: P028 (XRF, ICP-MS, Cl, F). V. Sample PM40 (193-1188F-39Z-1, 82 cm): amygdaloidal coherent dacite. Bulk rock powder: P029 (XRF, ICP-MS, Cl, F,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷Sr_{anhydrite + silicate}). W. Sample PM42 (193-1188F-43Z-1, 21 cm): amygdaloidal coherent dacite, gray-green kernel, and gray margin. Powders: P030 (kernel: XRF, ICP-MS, Cl, F,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷Sr_{anhydrite + silicate}) and P031 (margin: XRF, ICP-MS,

¹⁸O_{anhydrite + silicate}, ⁸⁶Sr/⁸⁷Sr_{anhydrite + silicate}). X. Sample PM44 (193-1189A-1R-1, 12 cm): unaltered coherent aphyric dacite. Bulk rock powder: P032 (XRF, ICP-MS, Cl, F,

¹⁸O_silicate, ⁸⁶Sr/⁸⁷Sr_silicate).