GeoLog

Regular Features

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]

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]

GeoTalk: Dr Pedro Jiménez Guerrero

GeoTalk, featuring short interviews with geoscientists about their research, continues this month with a Q&A with Dr Pedro Jiménez Guerrero (University of Murcia) focusing on air pollution and climate change. If you’d like to suggest a scientist for an interview, please contact Bárbara Ferreira. First, could you introduce yourself and let us know a bit about your research topic(s)?  I wa ...[Read More]

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]