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Hirst C, Opfergelt S, Gaspard F, et al. Silicon isotopes reveal a non-glacial source of silicon to Crescent Stream, McMurdo Dry Valleys, Antarctica. Frontiers in Earth Science. 2020;8. doi:10.3389/feart.2020.00229.\par \par Hatton JE, Hendry KR, Hirst C, et al. Silicon isotopic composition of dry and wet-based glaciers in Antarctica. Frontiers in Earth Science. 2020;8. doi:10.3389/feart.2020.00286.\par \par }