'Vermischtes zur Geologie' [Miscellaneous (volcanic) Geology], from Berghaus Physikaler Atlas 1850. Gotha: Justus Perthes. The main map is the high Andean Quito Plateau of Ecuador showing the volcano complexes of Pichincha and Antisana. It is surrounded by insets of the Pyrenees with cross-section a coral atoll (over subsided volcano), the volcano Gedee in Java, the Himalayas and a diagram of the comparative heights of the highest mountains. Quite a pastiche! Engraving with limited areas of hand colouring, 36x46cm. Flat with centre-fold, Slight age browning at edges. Clear plate impression. In very good condition. Also listed in World/ocean maps.