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6.5. Tephra powderings: v (volcanic)


Occur in visible laminae or by dispersed grains and are individualised by their provenance or by typical mineralogy. The tephrostratigraphy allows a very time framework.

Enstatite Tephra (vE): aresence of enstatite, occurs in the Warneton Bed, probable age MIS 5b.

Ertville Tephra (vV):visible lamina in laminated loess just prior of Kesselt Suite, earliest Late Weichselian.

Laacher See Tephra (vL): important eruption on Late-Weichselian topography, just prior to Younger Dryas.