Supplement to: Sakurai, Toshimitsu; Iizuka, Yoshinori; Horikawa, Shinichiro; Johnsen, Sigfús Jóhann; Dahl-Jensen, Dorthe; Steffensen, Jørgen Peder; Hondoh, Takeo (2009): Direct observation of salts as micro-inclusions in the Greenland GRIP ice core. Journal of Glaciology, 55(193), 777-783, https://doi.org/10.3189/002214309790152483