Erratum to: “Tomkins et al. (2016) Schmidt Hammer exposure dating (SHED): Establishment and implications for the retreat of the last British Ice Sheet” [Quat. Geochronol. (2016) 33 (46–60)] (S1871101416300085)(10.1016/j.quageo.2016.02.002)

The authors would like to thank Peter Wilson for his helpful comment on Tomkins et al. (2016). The Shap Granite pluton was incorrectly located in Fig. 4 of Tomkins et al. (2016), being 10 km north of its true location as verified by BGS data (Stone et al., 2010). Erratic limits, source areas (including the Shap granite pluton) and drumlins were derived from the BRITICE database (Clark et al., 2004). Based on corrected geo-referencing, Wilson is correct in asserting that the transport and deposition of erratics from the pluton at 16.5 ± 0.5 ka was by ice that advanced northeast and east from and retreated southwest towards the mountains of the Lake District. In addition, OSL ages from Dowkabottom and New Close (Telfer et al., 2009) were indeed transposed (see updated figure below). However, the inclusion of the older OSL ages (27.2–27.8 ka) has no effect on the interpretations or conclusions in Tomkins et al. (2016) and were only included for completeness. For clarity and to prevent incorrect assessment of LGM limits, these data have been removed in the revised figure. Fig. 4 (revised). DEM of NW England showing location of SHED, TCND, OSL and ¹⁴C samples used to date BIS retreat. Data retrieved from Coope and Pennington (1977), Coope and Joachim (1980), Walker (2004), Telfer et al. (2009), McCarroll et al. (2010), Wilson et al. (2013) and Lloyd et al. (2013). Erratic limits and drumlins were mapped after Clark et al. (2004) although erratic limits have been adjusted to better reflect ice movement through the Stainmore Gap (Catt, 2007). Erratic source areas were derived from 1:625,000 geospatial data downloaded from the EDINA Geology Digimap Service and verified using British Geological Survey data (Stone et al., 2010). The location of the Shap granite pluton based on BGS data indicates that transport and deposition of erratics at 16.5 ± 0.5 ka was by ice that advanced northeast and east from the mountains of the Lake District and subsequently retreated to the southwest. Ice front positions and the Blackhall Wood proglacial lake extent are redrawn from Livingstone et al. (2010) and show that prior to 16.8 ka, Lake District ice was overriding Shap Fell. Furthermore, sedimentary and stratigraphic data indicates that ice advanced from these positions prior to 16.8 ka with confluence of Lake District and Scottish ice and re-advance into the Celtic basin (Livingstone et al., 2010). As a result, the deglaciation of Shap Fell at 16.5 ka is unlikely to reflect northward retreat of the BIS through the Vale of Eden as originally suggested in Tomkins et al. (2016) as Lake District ice was present in the Solway Lowlands and formed a tributary of the Irish Sea Ice Stream (see Fig. 14, Livingstone et al., 2010). Instead, deglaciation of Shap Fell at 16.5 ka was characterised by ice retreating to the southwest to an ice source in the mountains of the Lake District.[figure