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 Davies et al. (2017) boulder Davi2017-1 Davi2017-A L12-202-2 -70.8271 -68.4298 14 3 2.65 0.98624 46237 2351 NIST_27900 313036 17967 Z92-0222 2012 9412 998 9409 1031 8834 707 450 8564 836 494 - Davies et al. (2017) boulder Davi2017-2 Davi2017-A L12-206-1 -70.8399 -68.3447 15 3 2.65 0.98778 31882 1591 NIST_27900 223297 13528 Z92-0222 2012 6468 682 6685 743 6116 486 306 6138 610 373 - Davies et al. (2017) boulder Davi2017-3 Davi2017-B L12-215-1 -70.8207 -68.4805 12 4 2.65 0.97813 14958 1043 NIST_27900 95665 7107 Z92-0222 2012 3096 360 2919 347 2871 267 200 2631 285 196 - Davies et al. (2017) boulder Davi2017-4 Davi2017-C L12-216-1 -70.8208 -68.5103 90 2 2.65 0.97218 51307 2262 NIST_27900 406857 23027 Z92-0222 2012 9681 996 11349 1240 9147 694 404 10424 1013 593 - Davies et al. (2017) boulder Davi2017-5 Davi2017-D L12-224-4 -70.8389 -68.3643 116 5 2.65 0.97728 20410 2118 NIST_27900 150235 14427 Z92-0222 2012 3813 531 4141 554 3600 435 374 3812 474 367 - Davies et al. (2017) boulder Davi2017-6 Davi2017-D L12-225-1 -70.8382 -68.3675 120 2 2.65 0.97728 94253 5017 NIST_27900 1451122 574478 Z92-0222 2012 17173 1844 - - 16317 1334 872 36488 14993 14707 - Davies et al. (2017) boulder Davi2017-7 Davi2017-E L12-226-1 -70.8443 -68.3337 22 3 2.65 0.97331 38904 1605 NIST_27900 285776 14907 Z92-0222 2012 7950 808 8623 921 7479 555 309 7859 743 412 - Davies et al. (2017) boulder Davi2017-8 Davi2017-F L12-231-1 -70.8208 -68.4896 31 4 2.65 0.97827 18528 2431 NIST_27900 212007 84746 Z92-0222 2012 3757 604 - - 3515 510 462 5841 2386 2342 - Davies et al. (2017) boulder Davi2017-9 Davi2017-G L12-232-1 -70.8217 -68.5018 69 3 2.65 0.97827 106244 3313 NIST_27900 699716 26569 Z92-0222 2012 20596 2025 20083 2032 19497 1352 611 18458 1623 707 - Davies et al. (2017) boulder Davi2017-10 Davi2017-H L12-238-1 -70.7862 -68.4186 75 6 2.65 0.96401 54465 2509 NIST_27900 390794 17768 Z92-0222 2012 10878 1129 11533 1198 10296 794 476 10611 967 485 - Davies et al. (2017) boulder Davi2017-11 Davi2017-I L12-244-1 -70.7953 -68.4049 8 3 2.65 0.97712 24182 2336 NIST_27900 150006 10978 Z92-0222 2012 4995 670 4569 541 4723 542 457 4180 449 307 - Davies et al. (2017) boulder Davi2017-12 Davi2017-J L12-245-1 -70.8667 -68.3156 16 2 2.65 1 43500 2222 NIST_27900 313239 18580 Z92-0222 2012 8643 917 9193 1017 8097 649 414 8359 825 498 - Davies et al. (2017) boulder Davi2017-13 Davi2017-K L12-247-1 -70.8610 -68.3490 18 2 2.65 0.99178 33695 2444 NIST_27900 195711 15421 Z92-0222 2012 6732 794 5768 704 6362 606 462 5306 591 419 - Davies et al. (2017) boulder Davi2017-14 Davi2017-L L12-249-1 -70.8601 -68.3924 140 3 2.65 0.98784 78029 2349 NIST_27900 526578 36705 Z92-0222 2012 13877 1358 13850 1618 13205 908 399 12803 1352 898 - Davies et al. (2017) boulder Davi2017-15 Davi2017-M L12-253-1 -70.8219 -68.5357 246 2 2.65 0.98511 27994 3630 NIST_27900 0 0 0 2012 4432 707 - - 4241 609 551 - - - - Reference: Davies BJ, Hambrey MJ, Glasser NF, Holt T, Rodés A, Smellie JL, Carrivick JL, Blockley SPE, 2017. Ice-dammed lateral lake and epishelf lake insights into Holocene dynamics of Marguerite Trough ice stream and George VI ice shelf, Alexander Island, Antarctic Peninsula. Quaternary Science Reviews 177, 189-219. Data comments: All sample data present in publication. Group ID based on sample location and geomorphology (groups in Table 1 split into smaller groups). expage.github.io - data from expage-202306