Present day and paleo-geographic coordinates, thicknesses and isopach area of the Early Eocene +19 ash layer (Table 1), supplement to: Egger, Hans; Brückl, Ewald (2006): Gigantic volcanic eruptions and climatic change in the early Eocene. International Journal of Earth Sciences, 95, 1065-1070

Hans Egger & Ewald Brückl
23 layers of altered volcanic ash (bentonites) originating from the North Atlantic Igneous Province have been recorded in early Eocene deposits of the Austrian Alps, about 1,900 km away from the source area. The Austrian bentonites are distal equivalents of the ''main ash-phase'' in Denmark and the North Sea basin. We have calculated the total eruption volume of this series as 21,000 km**3, which occurred in 600,000 years. The most powerful single eruption of this...
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