A valley steeped in history with brightly coloured mountains, colonial towns and pre-colonial ruins in northwest Argentina
Spectacular hypersaline crater lake (maar) with a cinder cone in the centre (Central Anatolia, Turkey)
Shallow water as far as the eye can see and a reddish colour due to halobacteria — the Great Salt Lake in Central Anatolia (Turkey)
Around San Pedro de Atacama (Chile): Viewpoints in the Atacama Desert, excursions to lagoons in the Andes and to the Tatio geyser.
Jeep tour (with an annoying group) through spectacular scenery: from Salar de Uyuni (Bolivia) via Laguna Colorada and Laguna Verde to San Pedro de Atacama (Chile) with ascent of the Licancabur volcano.
Where else do you see more donkey carts rumbling along the road than cars? The oasis of Siwa is still far remote from everything, even though there are now street lamps that look as if they had strayed here from Paris. A thicket of date palms, two large salt lakes and in the background the … Continue reading “Oasis of Siwa”
Splashing in salt water, the gorge in the Wadi Mujib reserve and Byzantine mosaics (Jordan)
Oldoinyo Lengai (expedition report 2003 with further explanations and references) is well known for its strange lavas: natrocarbonatite is only found here, and at the same time it is the only active carbonatite volcano in the world. But the silicate rocks that make up most of the volcano are also unique, such as combeite nephelinite … Continue reading “Rocks and minerals around Oldoinyo Lengai and Lake Natron”