1093/petrology/egq011 Magmatic Longevity of Laacher See Volcano (Eifel, Germany) Indicated by U^Th Dating of Intrusive...GO«TTINGEN, GOLDSCHMIDTSTR. 1, 37077 GO«TTINGEN, GERMANY 3 INSTITUTE OF ISOTOPE GEOCHEMISTRY AND MINERAL...differentiation timescales of the Laacher See volcano, which erupted 6·3 km3 of magma (dense rock equivalent)...2007, 2008). Tertiary volcanism in the Rhenish Shield and surrounding areas is largely contemporaneous...uplift of pre-Tertiary basement in the Rhenish Shield (Wilson & Downes, 1991; Lustrino & Wilson, 2007)