sandstone

Imaggeo on Mondays: Through the hole

Laura Roberts-Artal April 4, 2016

Through the hole . Credit: Juliane Krenz (distributed via imaggeo.egu.eu)

The Gunung Mulu National Park is an area so geologically remarkable and home to such incredibly diverse fauna and flora it has been declared a World Heritage Area. Located on the island of Borneo, the park is famous for its over 100 different palm species and 3500 other plant types. Geologically speaking, a trip though the varied landscapes will be rewarded with views of deep gorges and hidden va ...[Read More]

Imaggeo on Mondays: The organisation of a river system

Tatiana Feskova September 21, 2015

The nature organization of the river system . Credit: Tatiana Feskova (distributed via imaggeo.egu.eu)

The picture shows the Elbe Rivervalley, one of the major rivers of Central Europe. It was taken from the Bastei Bridge close to Rathen, which towers 194 meters above the Elbe River in the state of Saxony in the south-eastern Germany. This region belongs to the national park known as Saxon Switzerland. Together with the Bohemian Switzerland in the Czech Republic, the Saxon Switzerland National Park ...[Read More]

Imaggeo on Mondays: The place where water runs through rocks

Laura Roberts-Artal July 13, 2015

Waved rocks of Antelope slot canyon. Credit: Frederik Tack (distributed via imaggeo.egu.eu)

Antelope Canyon, located in Arizona, USA, was formed by erosion of the Navajo Sandstone, primarily due to flash flooding and secondarily due to other sub-aerial processes (think of physical weathering processes such as freeze-thaw weathering exfoliation and salt crystallisation). Rainwater runs into the extensive basin above the slot canyon sections, picking up speed and sand as it rushes into the ...[Read More]

Imaggeo on Mondays: All kinds of exposure

Sara Mynott December 2, 2013

This photo was taken by Grant Wilson at Arches National Park, Utah, USA. The park is home to more than 2,000 sandstone arches, exposed by years of weathering and the removal of softer rock. They are part of the Entrada Sandstone formation, which was deposited during the Jurassic. “The arches form as ice accumulated in fissures expands and breaks the rock forming fins. Wind and water eroded the fin ...[Read More]