Imaggeo on Mondays

Imaggeo On Monday: The many sides of Australia’s bushfires

Beniamino Abis October 12, 2020

The many sides of Australia's bushfires. Credit: Beniamino Abis (distributed via imaggeo.egu.eu)

Bushfires in Australia are frequent in the hot and dry months characteristic of its climate. Their severity and seasonality is affected by climate change, and they impact extensive areas every year. At first sight, they might look harmful and dangerous, since they can cause property damage and loss of human life. However, the natural ecosystem has developed different strategies to either re ...[Read More]

Imaggeo On Monday: Lahar in the jungle, Mexico

Velio Coviello October 5, 2020

Lahar in the jungle, Mexico. Credit: Velio Coviello (distributed via imaggeo.egu.eu)

Volcán de Colima currently is the most active volcano in Mexico where many rain-induced lahars occur every year. La Lumbre ravine is the ephemeral channel that drains the west-southwestern slopes of the volcano. In 2016, while Volcán de Colima experienced a prolonged explosive phase, several lahars were documented in this channel. One of them is shown in his picture, taken on August 13, 2016, du ...[Read More]

Imaggeo On Monday: Blue Olivine in an unusual basalt

Bernardo Cesare September 28, 2020

Blue Olivine in an unusual basalt. Credit: Bernardo Cesare (distributed via imaggeo.egu.eu)

Blue Olivine set in a matrix of pyroxene, magnetite and plagioclase in a basalt collected by the photographer, Bernardo Cesare, on the shore of the Sea of Galilee, Israel. Polarized light photomicrograph. Crossed polarizers and red tint plate. Width c. 2.7 mm. Who may have been throwing this stone a couple millennia ago? Description by Bernardo Cesare, after the description on imaggeo.egu.e ...[Read More]

Imaggeo On Monday: Hedenbergite – Ilvaite skarn, Calamita, Island of Elba

Samuele Papeschi September 21, 2020

Hedenbergite - Ilvaite skarn, Calamita, Island of Elba. Credit: Samuele Papeschi (distributed via imaggeo.egu.eu)

In this photo taken on the Isle of Elba in Italy you can see several radiating crystals of greenish Hedenbergite, inter-grown with blackish coloured Ilvaite in skarn bodies. Skarn is an unique formation that formed as a result of the interaction between geothermal fluids and the host rock. In this case the geothermal fluids come from the Late Miocene Porto Azzurro monzogranite, and Mesozoic marble ...[Read More]