[{SlideShowNav}] !!!Geologische Formationen [{Image src='Geologische-Formationen.jpg' caption='Geologische Formationen' alt='Illustration Geologische Formationen' width='564' height='900'}] Illustration aus [Pierers Konversations-Lexikon (Band 6)|web-books/konversationsle06de1890kfu/000269]. [{SET customtitle='Geologische Formationen'}]