Publication Sample-type Sample-ID Group-ID Sample Lat(DD) Long(DD) Elev(masl) Thickn(cm) Density(g/cm3) Shield 10Be-conc(at/g) 10Be-unc(at/g) 10Be-std 26Al-conc(at/g) 26Al-unc(at/g) 26Al-std Sampl-year Publ-10-age(yr) Publ-10-unc(yr) Publ-26-age(yr) Publ-26-unc(yr) 10Be-age(yr) 10-ext-unc(yr) 10-int-unc(yr) 26Al-age(yr) 26-ext-unc(yr) 26-int-unc(yr) Extra-publ Søndergaard et al. (2019) boulder Sond2019-1 Sond2019-A GL1736 77.6640 -69.6006 94 5.4 2.65 0.998 46062 1915 07KNSTD 0 0 0 2017 10357 426 - - 9790 729 408 - - - - Søndergaard et al. (2019) boulder Sond2019-2 Sond2019-A GL1737 77.6641 -69.5892 94 5.8 2.65 0.998 107536 3216 07KNSTD 0 0 0 2017 24327 714 - - 23093 1590 695 - - - - Søndergaard et al. (2019) boulder Sond2019-3 Sond2019-A GL1738 77.6644 -69.5797 102 5.9 2.65 0.997 68001 2179 07KNSTD 0 0 0 2017 15237 480 - - 14474 1008 465 - - - - Søndergaard et al. (2019) boulder Sond2019-4 Sond2019-B GL1739 77.7189 -69.1681 128 6.3 2.65 0.998 73626 3309 07KNSTD 0 0 0 2017 16073 718 - - 15306 1171 691 - - - - Søndergaard et al. (2019) boulder Sond2019-5 Sond2019-B GL1740 77.7165 -69.1831 119 6.4 2.65 0.998 129041 3442 07KNSTD 0 0 0 2017 28576 744 - - 27188 1837 730 - - - - Søndergaard et al. (2019) boulder Sond2019-6 Sond2019-C GL1742 77.5048 -66.6717 74 3.7 2.65 1 51442 1645 07KNSTD 0 0 0 2017 11576 375 - - 10965 763 352 - - - - Søndergaard et al. (2019) boulder Sond2019-7 Sond2019-C GL1743 77.5049 -66.6697 74 6.3 2.65 1 56994 1764 07KNSTD 0 0 0 2017 13100 411 - - 12434 860 386 - - - - Søndergaard et al. (2019) boulder Sond2019-8 Sond2019-C GL1744 77.5049 -66.6697 74 6.7 2.65 1 47421 1443 07KNSTD 0 0 0 2017 10932 337 - - 10349 713 316 - - - - Reference: Søndergaard AS, Larsen NK, Olsen J, Strunk A, Woodroffe S, 2019. Glacial history of the Greenland ice sheet and a local ice cap in Qaanaaq, northwestern Greenland. Journal of Quaternary Science 34, 536-547. Data comments: Sampling year based on sample names. Group ID based on sample location and geomorphology. expage.github.io - data from expage-202306