Vitrain, Lignite
Weilheim-Schongau District, Upper Bavaria, Bavaria, Germany
"Braunkohle" vitrain, lignite pebble from the Molasse.
Petrography: brown to black coal rubble from a coal seam.
Age: Early Tertiary (Oligocene or Miocene).
Origin: Lower and upper Marine Molasse (e.g. Peißenberg, Peiting and Irsee).
Reference: Günter Grundmann & Herbert Scholz (2006): Kieselsteine im Alpenvorland - Suchen und selbst ...
© Günter Grundmann, Detmold.