Imaggeo

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]

Imaggeo On Monday: Emoji from meteorites; impact spherule

Seda Özdemir September 14, 2020

Emoji from meteorites; impact spherule. Credit: Seda Özdemir (distributed via imaggeo.egu.eu)

This is a crossed polarized light photomicrograph of an impact spherule; a small mineralisation made when a meteorite hits the Earth and melts the rock at the point of impact, from Barberton Greenstone Belt, in South Africa. These spherules are the only remnants of Early Earth’s meteorite impact history, from between of 3.2 and 3.5 billion years ago. In this photo you can see the K-feldspar ...[Read More]

Imaggeo On Monday: Condensation drop on sulphur

Hazel Gibson September 7, 2020

Condensation drop on Sulphur. Credit: Ulrich Kueppers (distributed via imaggeo.egu.eu)

Mineralogy, as a subject, often has a hard time. Despite it’s place at the core of the traditional geological sciences, and its importance in a huge variety of other subjects, mineralogy sometimes has a reputation of being complicated and inaccessible and, well, some people have even called it boring. This is also related to the way that minerals are often hugely misunderstood by non-geoscie ...[Read More]

Imaggeo On Monday: The kidneys of the Planet

Elisa Palazzi August 31, 2020

The kidneys of the Planet. Credit: Elisa Palazzi (distributed via imaggeo.egu.eu)

In the past, humans considered wetlands as morbid environments where it was difficult, if not impossible, to live. Wetlands, instead, are vital to the health of wildlife and humans, as the Ramsar convention stated in 1971. Wetlands regulate the water flow, buffering droughts as well as floods, and also contribute to the provision of clean water. In addition to water flow regulations and to the pro ...[Read More]