Malta smooth, NF

Juist smooth, NF

Borkum waterstruck, NF

Borkum smooth, NF

Grunewald slate-structure, DF

Blankenese waterstruck, NF

Bernau waterstruck, NF

Zehlendorf waterstruck, NF

Lichterfelde waterstruck, DF

Blankenese smooth, NF

Dahlem slate-structure, NF

Amrum smooth, NF