Sand spikes pinpoint powerful palaeoseismicity

Small Sand Craters of Seismic Origin

Spherule Layers Near the Archean-Proterozoic Boundary

Shocked quartz in distal ejecta from the Ries impact event (Germany) found at ~ 180 km distance, near Bernhardzell, eastern Switzerland

Depositional Histories of Sand Grains from Surface Textures

Abb.: Knochenpanzerplatte einer Riesen-Landschildkröte Titanochelon sp.

Model of concretion formation in a groundwater flow system. Growth

Museum-quality sand spikes from the former Liebherr outcrop in

Volker SACH, Researcher, Dr. rer. nat.

The small mammals from UA 565 m (a, b, e–w) and UA 540 m (c, d). All