Imaggeo

Imaggeo on Mondays: Red triassic sandstone

Hazel Gibson April 6, 2020

Red triassic sandstone (Orcombe Rocks, East Devon). Credit: Sarah Weick (distributed via imaggeo.egu.eu)

As child growing up on the south coast of Devon in the UK, I never really realised that our beaches were unusual. A glorious, glowing orange-red colour, the cliffs that you can see in this photograph by Sarah Weick produced similarly red sand beaches and warm ochre soils. The bright colour is the result of the sandstone and conglomerates of these rocks, collectively called the New Red Sandstones, ...[Read More]

Imaggeo On Mondays: Psychedelic Foraminifera

Charlotte Beasley March 30, 2020

Psychedelic Foraminifera. Credit: Charlotte Beasley (distributed via imaggeo.egu.eu)

This is a transmitted light microscope image of a thin section – a 50-micron thick sliver of rock. This sample was collected from Jebel Hafit, a mountain which straddles the United Arab Emirates and Oman border. Jebel Hafit is approximately 900 m high and is made up of Eocene to Miocene age carbonate rocks which were mainly deposited in a shallow water, tropical setting. More specifically, this im ...[Read More]

Imaggeo On Mondays: Sulphur volcano

Thoma Wöhling March 23, 2020

Sulphur volcano. Credit: Thomas Wöhling (distributed via imaggeo.egu.eu)

This photograph was taken in 2012 on a guided tour to Whakaari/White Island, an active volcano 50 km off the east coast of the North Island of New Zealand. The volcano lies on the northern end of the Taupo Volcanic zone and has possibly been active for the past 150,000 years. How dangerous this island is, was demonstrated by a number of explosive eruptions in recent history, the latest of which oc ...[Read More]

Imaggeo on Mondays: The mirror of the volcano

Hazel Gibson March 16, 2020

The mirror of the volcano. Credit: Joselyn Arriagada-Gonzalez (distributed via imaggeo.egu.eu)

Lascar volcano is located in the Antofagasta Region of Chile. This stratovolcano (a conical volcano built up over time through successive eruptions of lava, tephra and ash) of the Central Volcanic Zone of the Andes is the most active volcano of the region, with a height of 5.592 m (18,34 ft). The last phase of eruptive activity before this photo was taken was on October 30, 2015, which produced an ...[Read More]