GeoLog

Geochemistry, Mineralogy, Petrology & Volcanology

Winners announced: Here are the best EGU Blog Posts of 2022!

Winners announced: Here are the best EGU Blog Posts of 2022!

As future-focused as we like to be at EGU, we sometimes pause to look back at the year gone by – just a brief glimpse to appreciate all the good work of 2022! As always, we had so many inspiring and thought-provoking blog posts published this year across the EGU’s official blog GeoLog and division blogs. Thank you to each of you for your writing contribution! To continue our annual appreciation fo ...[Read More]

The ancient art and science of mining: a look back at the 1500s

The ancient art and science of mining: a look back at the 1500s

Sean Daly is a (now retired) Canadian mining geologist with 40+ years of experience, who has dedicated his career to understanding the close relationship between mining, geology and society. His recent book “From the Erzgebirge to Potosi: ​A History of Geology and Mining Since the 1500’s” traces the history of mining and geology from the 1500’s including the Renaissance, the Industrial ...[Read More]

Imaggeo On Monday: The Heart of a Stone

Imaggeo On Monday: The Heart of a Stone

Heart-shaped glomerocryst (aggregate of phenocrysts) made of plagioclase and pyroxene in a cordierite-bearing dacitic lava from Lipari (Eolie Islands). I study the crustal xenoliths of these lavas to understand the processes accompanying high-temperature metamorphism and crustal melting. But I came across this spectacular glomerocryst and couldn’t help but take a picture! Polarized light pho ...[Read More]

Imaggeo On Monday: Salt marsh in El Rocío (Huelva, SW Spain)

Imaggeo On Monday: Salt marsh in El Rocío (Huelva, SW Spain)

The coast line of Huelva is furrowed by wetlands and sprinkled with salt flats. These areas are a sanctuary for wildlife and are visited by migrating birds travelling between Europe and Africa. In these wetlands grow the salt cedar, the Phoenician juniper, the mastic tree, the Montpellier cistus, the rockrose, the kermes oak, rosemary, cordgrass, reeds and bulrushes. The picture shows part of the ...[Read More]