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
Briner et al. (2003)	bedrock	Brin2003-1	Brin2003-A	SIV7-00-1	70.33335	-68.80073	465	3	2.65	1	490000	14000	KNSTD	2702000	77000	KNSTD	2000	63100	5600	57300	5900	64403	4443	1870	57021	4893	1671	Briner et al. (2006)
Briner et al. (2003)	bedrock	Brin2003-2	Brin2003-A	SIV8-01-1	70.33525	-68.77997	503	3	2.65	1	554000	17000	KNSTD	3210000	155000	KNSTD	2001	67500	8900	66100	9600	70254	4919	2194	65564	6237	3270	Briner et al. (2006)
Briner et al. (2003)	cobble	Brin2003-3	Brin2003-A	SIV7-00-2	70.33322	-68.80025	462	5	2.65	1	85000	4000	KNSTD	634000	24000	KNSTD	2000	10800	1100	13200	2100	11226	872	530	13347	1170	509	Briner et al. (2005b, 2006)
Briner et al. (2003)	boulder	Brin2003-4	Brin2003-A	SIV7-01-3	70.33333	-68.80070	464	3	2.65	1	81000	3000	KNSTD	533000	30000	KNSTD	2001	10100	1400	11100	1600	10476	755	389	10987	1066	622	Briner et al. (2005b, 2006)
Briner et al. (2003)	boulder	Brin2003-5	Brin2003-A	SIV8-01-2	70.33525	-68.77912	504	3	2.65	1	146000	6000	KNSTD	797000	44000	KNSTD	2001	17500	2400	16000	2300	18244	1357	753	15858	1533	882	Briner et al. (2005b, 2006)
Briner et al. (2003)	boulder	Brin2003-6	Brin2003-B	PB5-01-2	70.51375	-68.71950	143	3	2.65	1	106000	5000	KNSTD	0	0	0	2001	18000	900	-	-	18990	1480	900	-	-	-	Briner et al. (2005b)
Briner et al. (2003)	boulder	Brin2003-7	Brin2003-B	PB5-01-1	70.50983	-68.71661	149	3	2.65	1	99000	10000	KNSTD	0	0	0	2001	16800	1700	-	-	17621	2094	1788	-	-	-	Briner et al. (2005b)
Briner et al. (2003)	boulder	Brin2003-8	Brin2003-C	PB4-00-1	70.46947	-68.76460	215	3	2.65	1	109000	11000	KNSTD	734000	94000	KNSTD	2000	17900	1200	19800	2500	18150	2155	1840	19441	2948	2514	Briner et al. (2005b)
Briner et al. (2003)	boulder	Brin2003-9	Brin2003-D	PB3-00-3	70.44988	-68.75852	192	3	2.65	1	107000	11000	KNSTD	665000	57000	KNSTD	2000	18000	1200	18300	1700	18237	2195	1883	18010	2111	1557	Briner et al. (2005b)

Reference:
Briner JP, Miller GH, Davis PT, Bierman PR, Caffee M, 2003. Last glacial maximum ice sheet dynamics in arctic Canada inferred from young erratics perched on ancient tors. Quaternary Science Reviews 22, 437-444.

Data comments:
Sample thickness assumed to be 3 cm apart from sample SIV7-00-2 stated to be 5 cm thick.
Sample density assumed to be 2.65 g/cm3.
Topographic shielding factors calculated from Jonathan de Ferranti's 3" dem based on Codilean (2006) and Li (2013).
10Be and 26Al standards based on email contact with Jason Briner.
Sampling year based on sample names.
Group ID based on sample location and geomorphology (Figure 1).

expage.github.io - data from expage-202306