Age and location of late Bølling - early Allerød ice-marginal substages in Mid-Norway - Outer Coast and Tingvoll, based on mapping and a compilation of 14C dates
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The Outer Coast (OC)-Tingvoll ice margins in Mid Norway do not show continuous lines of ice marginal deposits (moraines, ice contact deltas, etc.) (Fig. 1), they appear rather as discontinuous lines of correlated deposits from fjord to fjord and valley to valley, with variable distances between distinct deposits along the 300 km long distance from Djupvika in northernmost part of Trøndelag to Tingvoll in Nordmøre. The Correlation lines are all based on Quaternary maps, relationship and distance to the more continous Younger Dryas (YD) maximum (Tautra) ice marginal position (Sveian 1997, Olsen et al. 2015), and considerations of reasonable ice dynamics and ice surface gradients based on comparison to known present or reconstructed old glaciers.