The Andesite Rose near Freisen
Volcanism in the Saar-Nahe Basin The Hellerberg quarry, and thus the andesite rose, lies in the Saar-Nahe Basin (SNB), a Late Variscan intermontane basin overlying the former island arc of the Central German crystalline sill. When the strongly uplifted Variscan mountains disintegrated into individual blocks, … Continue readingThe Andesite Rose near Freisen