GeoLog

Planetary and Solar System Sciences

Imaggeo On Monday: Blue Olivine in an unusual basalt

Imaggeo On Monday: Blue Olivine in an unusual basalt

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: Emoji from meteorites; impact spherule

Imaggeo On Monday: Emoji from meteorites; impact spherule

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]

#shareEGU20: meet the EGU Early Career Scientist Representatives (pt3)!

#shareEGU20: meet the EGU Early Career Scientist Representatives (pt3)!

Now #shareEGU20 has come to an end, division officers have changed and this includes the Early Career Scientists (ECS) Representatives. Time to meet them!   Union-level and Deputy Union-level ECS Representatives Anouk Beniest and Anita Di Chiara   Atmospheric Sciences Outgoing ECS Representative Fernando Iglesias-Suarez has one last message: “As the outgoing ECS-AS Rep, I am really ...[Read More]