GeoLog

Imaggeo on Mondays

Imaggeo on Mondays: Trees of time

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]

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]

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]

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]