Imaggeo on Mondays

Imaggeo on Mondays: A Colombian myth with geologic origins

Maria Cristina Arenas Bautista June 4, 2018

The great jump of the Tequendama. Credit: Maria Cristina Arenas Bautista (distributed via imaggeo.egu.eu)

This photograph shows El salto del Tequendama, a natural waterfall of Colombia, located in the Department of Cundinamarca at an altitude of 2400 metres above sea level and approximately 30 kilometres southwest of the country’s capital, Bogotá. The Salto del Tequendama is a space of transit and connectivity between the warm lands of the Magdalena river basin and the cold lands of the Sumapaz ...[Read More]

Imaggeo On Mondays: Reservoir in the Italian Alps

Olivia Trani May 28, 2018

Reservoir in the Italian Alps. Credit: Daniele Penna (distributed via imaggeo.egu.eu)

Mountain natural streams and reservoirs have a relevant hydrological and ecological importance since they represent reliable sources of freshwater supply to lowland regions and high-quality habitats for fish and cold-water communities. Moreover, streams in mountain environments are of significant importance for users in several socio-economic sectors, such as agriculture, tourism and hydropower. G ...[Read More]

Imaggeo on Mondays: A volcanic point of view

Olivia Trani May 21, 2018

Sleeping volcano . Credit: Carina Fernandes and Jorge Magalhaes (distributed via imaggeo.egu.eu)

It’s not every day that you can peer into a volcano, much less gaze out at the sky from the inside of one. The Algar do Carvão, or “the Cavern of Coal,” is one of the few places on Earth where you can explore the underground reaches of a volcanic site. The volcanic pit is found on the island of Terceira, part of the Azores archipelago. This collection of islands is an autonomous region of Portugal ...[Read More]

Imaggeo on Mondays: River in a charoite schist

Olivia Trani May 14, 2018

River in a Charoite Schist. Credit: Bernardo Cesare (distributed via imaggeo.egu.eu)

Polarized light photomicrograph of a thin section of a charoite-bearing schist. Charoite is a rare silicate found only at one location in Yakutia, Russia. For its beautiful and uncommon purple color it is used as a semi-precious stone in jewelry. Under the microscope charoite-bearing rocks give an overall feeling of movement, with charoite forming fibrous mats that swirl and fold as a result of de ...[Read More]