The Namib-Nauklufy National Park in Namibia is a stunning ecoregion that encompasses part of the Namib Desert and the Nauklufy mountain range. With an area of almost 50,000 square kilometres, the park covers a wide range of landscapes, including gravel plains, tall sand dunes, and an ephemeral river. The park also includes one of the main visitor attractions of Namibia, the Sossusvlei, a large dry ...[Read More]
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GeoLog
Imaggeo on Mondays: Volcano in the tropics
The text of this week’s Imaggeo on Mondays comes from the photographer himself, Brenner Silva. I took this picture from an airliner in September 2010 on my way to the Estación Científica San Francisco, South Ecuador, for field work. The flight route Quito-Loja goes through the two highest volcanoes, Chimborazo and Cotopaxi, of the so-called Avenue of the Volcanos in Ecuador. The pilot, attracted b ...[Read More]
GeoLog
Imaggeo on Mondays: Cloud sandwich
Lenticular clouds, also known as ‘flying saucer clouds’ or ‘cloudships’, have captured the imagination of humans since Biblical times. Normally aligned at right-angles to the direction of the wind, lenticular clouds are stationary, lens-shaped formations that form at high altitudes. Pilots of powered planes tend to avoid flying near lenticular clouds because of turbulence. Glider pilots, on the ot ...[Read More]
GeoLog
Imaggeo on Mondays: Keanae coast
Geologically speaking, Hawaii is a very dynamic archipelago. Each of its islands is an exposed peak of a large undersea mountain range formed by volcanic activity starting about 28 million years ago as the Pacific plate moved slowly in northwest direction over a geological hotspot in the Earth’s mantle. Big Island and Maui, the southeastern most islands, are therefore the youngest and geologically ...[Read More]
GeoLog
Imaggeo on Mondays: Patagonian blues
If you are feeling the Monday blues, this peaceful photograph of a Patagonian lake might be just what you need to light up your day. Patagonia is known for its rich volcanic history and dramatic landscapes, and this scene is no exception. It shows a lake in the Pali-Aike volcanic field on the Argentina-Chile border, located north of the Strait of Magellan: the beautiful Laguna Potrok Aike. Agathe ...[Read More]
GeoLog
Imaggeo on Mondays: The beauty of energy
Electric cars require roughly 1,000 times more lithium than a standard laptop. It is therefore understandable that Bolivia’s Salar de Uyuni, a unique environment shown here under deep-blue skies, is widely regarded as the ‘Saudi Arabia of lithium’, because it contains over 40% of the planet’s lithium chloride (LiCl) reserves, or more than 5.4 million tons. The Salar is part of the Altiplano platea ...[Read More]
GeoLog
Imaggeo on Mondays: The strangest volcano on Earth
Natural Geographic describes Ol Donyo Lengai (pronounced ol doyn-yo len-guy), a mountain in northern Tanzania, as the ‘strangest volcano on Earth’. It is the planet’s only volcano known to produce lava made of natrocarbonatite, chemically similar to laundry soap, which hardens and decays almost immediately upon exposure to the atmosphere. It is very rare for natrocarbonatite, a type of igneous roc ...[Read More]
GeoLog
Imaggeo on Mondays: Turquoise paradise
Jacques Cousteau once said, “I have seen other places like Sipadan, 45 years ago, but now no more. Now we have found an untouched piece of art.” Indeed, the ‘wall of life’ shown in this picture suggests an untouched world, where schools of fish abound in a pure turquoise ocean. The waters around Pulau Sipadan (Sipadan Island) are globally recognised as some of the most diverse on the planet, playi ...[Read More]
GeoLog
Imaggeo on Mondays: Cueva de los Verdes
The volcanic Lanzarote is the easternmost of the Canary Islands, located in the Atlantic Ocean approximately 125 km off the coast of Africa. One of its most famous attractions is the system of caves known as La Cueva de los Verdes (Greens’ Cave), created around 3,000-4,500 years ago by lava from the now extinct Monte Corona volcano. La Cueva de los Verdes extends for 6 km above sea level and for a ...[Read More]
GeoLog
Imaggeo on Mondays: Sunset on the Black Sea coast
In the context of human history, few bodies of water are as storied as the Black Sea, located at the juncture of Europe, Asia, and the Middle East. Countless cargo ships and frigates have sailed its waters, over 1,100 km in length from east to west, daunting enough that the Ancient Greeks believed its eastern shores (now Georgia) marked the edge of the known world. However, perhaps the Black Sea’s ...[Read More]