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Figure 10. (a) A backscattered electron image and (b) a phase map. The phases are K-feldspar (orange), albite (blue), quartz (green), mica (pink), apatite (yellow), and void (black). Full info in David London’s paper, DOI: https://doi.org/10.2138/am-2022-8674. 10.2138/am-2022-8674