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 Farnsworth et al. (2018) boulder Farn2018-1 Farn2018-A NIC-12-06 76.8223 -67.3256 565 2.27 2.7 0.994 167000 3150 07KNSTD 0 0 0 2012 21160 910 - - 21812 1412 414 - - - - Farnsworth et al. (2018) boulder Farn2018-2 Farn2018-A NIC-12-08 76.8226 -67.3257 564 2.42 2.7 0.987 294000 5500 07KNSTD 0 0 0 2012 37680 1620 - - 38941 2531 736 - - - - Farnsworth et al. (2018) boulder Farn2018-3 Farn2018-A NIC-12-09 76.8229 -67.3271 562 1.87 2.7 1 182000 3620 07KNSTD 0 0 0 2012 22910 990 - - 23626 1538 473 - - - - Farnsworth et al. (2018) bedrock Farn2018-4 Farn2018-A NIC-12-12 76.8230 -67.3308 567 2.66 2.7 1 423000 8330 07KNSTD 0 0 0 2012 53720 2340 - - 55492 3638 1108 - - - - Farnsworth et al. (2018) boulder Farn2018-5 Farn2018-A NIC-12-13 76.8235 -67.3302 565 2.38 2.7 0.999 127000 3510 07KNSTD 0 0 0 2012 16010 760 - - 16494 1118 458 - - - - Farnsworth et al. (2018) boulder Farn2018-6 Farn2018-A NIC-12-14 76.8235 -67.3316 558 3.48 2.7 0.972 241000 4770 07KNSTD 0 0 0 2012 31690 1370 - - 32854 2142 656 - - - - Farnsworth et al. (2018) bedrock Farn2018-7 Farn2018-A NIC-12-15 76.8235 -67.3325 569 2.34 2.7 0.999 413000 8160 07KNSTD 0 0 0 2012 52230 2270 - - 53957 3537 1081 - - - - Farnsworth et al. (2018) boulder Farn2018-8 Farn2018-B NT-14-16 76.8383 -67.1123 725 2.75 2.7 1 164000 3570 07KNSTD 0 0 0 2014 19070 840 - - 18332 1203 401 - - - - Farnsworth et al. (2018) boulder Farn2018-9 Farn2018-C NT-14-1 76.8389 -66.8870 618 4.48 2.7 0.999 365000 6590 07KNSTD 0 0 0 2014 48040 2050 - - 46266 3003 845 - - - - Farnsworth et al. (2018) boulder Farn2018-10 Farn2018-C NT-14-2 76.8391 -66.8861 614 4.43 2.7 0.995 606000 10100 07KNSTD 0 0 0 2014 80970 3440 - - 78013 5075 1326 - - - - Farnsworth et al. (2018) boulder Farn2018-11 Farn2018-C NT-14-4 76.8387 -66.8864 614 5.69 2.7 0.999 214000 4170 07KNSTD 0 0 0 2014 28410 1230 - - 27381 1781 537 - - - - Farnsworth et al. (2018) boulder Farn2018-12 Farn2018-D NT-14-5 76.8552 -66.9005 722 5.77 2.7 1 127000 2240 07KNSTD 0 0 0 2014 15170 640 - - 14601 939 258 - - - - Farnsworth et al. (2018) bedrock Farn2018-13 Farn2018-D NT-14-6 76.8552 -66.9005 722 2.75 2.7 1 598000 11600 07KNSTD 0 0 0 2014 70670 3080 - - 67935 4461 1340 - - - - Farnsworth et al. (2018) boulder Farn2018-14 Farn2018-E NT-14-17 76.8235 -66.9927 605 5.33 2.7 0.999 45500 1050 07KNSTD 0 0 0 2014 6040 270 - - 5835 384 135 - - - - Farnsworth et al. (2018) boulder Farn2018-15 Farn2018-E NT-14-18 76.8253 -66.9921 607 3.86 2.7 0.999 45700 1410 07KNSTD 0 0 0 2014 5980 290 - - 5776 398 178 - - - - Farnsworth et al. (2018) boulder Farn2018-16 Farn2018-E NT-14-19 76.8233 -66.9883 617 3.12 2.7 0.999 20000 707 07KNSTD 0 0 0 2014 2580 130 - - 2421 172 86 - - - - Farnsworth et al. (2018) boulder Farn2018-17 Farn2018-E NT-14-20 76.8233 -66.9883 617 3.21 2.7 0.999 24700 806 07KNSTD 0 0 0 2014 3180 160 - - 3013 210 98 - - - - Farnsworth et al. (2018) boulder Farn2018-18 Farn2018-E NT-14-21 76.8232 -66.9876 618 4.92 2.7 0.999 16200 576 07KNSTD 0 0 0 2014 2110 110 - - 1971 140 70 - - - - Farnsworth et al. (2018) boulder Farn2018-19 Farn2018-E NT-14-22 76.8225 -66.9818 642 3.77 2.7 1 30600 934 07KNSTD 0 0 0 2014 3870 190 - - 3688 254 113 - - - - Farnsworth et al. (2018) boulder Farn2018-20 Farn2018-E NT-14-23 76.8229 -66.9837 629 2.59 2.7 1 22000 649 07KNSTD 0 0 0 2014 2790 130 - - 2631 180 78 - - - - Farnsworth et al. (2018) boulder Farn2018-21 Farn2018-F NT-14-13 76.8186 -67.1136 551 3.57 2.7 1 58500 1340 07KNSTD 0 0 0 2014 8060 360 - - 7717 508 177 - - - - Farnsworth et al. (2018) boulder Farn2018-22 Farn2018-F NT-14-14 76.8186 -67.1136 551 3.34 2.7 1 16600 772 07KNSTD 0 0 0 2014 2280 140 - - 2132 165 99 - - - - Farnsworth et al. (2018) boulder Farn2018-23 Farn2018-F NT-14-15 76.8186 -67.1136 551 6.62 2.7 1 47100 886 07KNSTD 0 0 0 2014 6190 260 - - 6425 414 121 - - - - Farnsworth et al. (2018) boulder Farn2018-24 Farn2018-G NT-14-08 76.8594 -66.8850 639 5.33 2.7 0.987 9930 196 07KNSTD 0 0 0 2014 1290 60 - - 1186 77 23 - - - - Farnsworth et al. (2018) boulder Farn2018-25 Farn2018-G NT-14-09 76.8594 -66.8850 639 2.88 2.7 0.987 9510 185 07KNSTD 0 0 0 2014 1210 50 - - 1110 72 22 - - - - Farnsworth et al. (2018) boulder Farn2018-26 Farn2018-G NT-14-11 76.8589 -66.8834 634 4.68 2.7 0.992 17300 358 07KNSTD 0 0 0 2014 2240 100 - - 2090 136 43 - - - - Farnsworth et al. (2018) boulder Farn2018-27 Farn2018-G NT-14-12 76.8588 -66.8834 632 4.89 2.7 0.992 4260 126 07KNSTD 0 0 0 2014 550 30 - - 512 35 15 - - - - Farnsworth et al. (2018) boulder Farn2018-28 Farn2018-G NT-14-10 76.8592 -66.8841 636 4.60 2.7 0.987 472000 7150 07KNSTD 0 0 0 2014 57660 2400 - - 59797 3849 919 - - - - Reference: Farnsworth LB, Kelly MA, Bromley GRM, Axford Y, Osterberg EC, Howley JA, Jackson MS, Zimmerman SR, 2018. Holocene history of the Greenland ice-sheet margin in northern Nunatarssuaq, northwest Greenland. Arktos 4, 10. Data comments: Sampling year based on sample names. Group ID based on sample location and geomorphology (Figures 2 and 5). expage.github.io - data from expage-202306