Imaggeo on Mondays

Imaggeo on Mondays: The odd ‘living’ rocks

Laura Roberts-Artal October 17, 2016

Huepac stromatolites . Credit: Hugo Beraldi (distributed via imaggeo.egu.eu)

Microbialites – structures which result from the interaction between microbes and sediments – have existed in the rock record since 3700 Ma ago until the present day. The presence of microbes in environments where mineral precipitation is prevalent, usually derives in the development of such chemical sedimentary structures. This can take place in marine, non-marine, and subterranean environm ...[Read More]

Imaggeo on Mondays: recording the Earth’s magnetic field one grain at a time

Laura Roberts-Artal October 10, 2016

Titanomagnetite grain . Credit: Firoz Kadar Badesab (distributed via imaggeo.egu.eu)

The Earth’s magnetic field extends from the core of the planet, right out to space. It is an invisible, butterfly-like, shield which protects us against the harmful particles ejected by solar flares. In addition, it guards us from atmospheric erosion and water loss caused by solar wind. But how do scientists study the Earth’s magnetic field when it can’t be see? Much of what is known results from ...[Read More]

Imaggeo on Mondays: The invaluable role of soil dwellers

Laura Roberts-Artal October 3, 2016

Find a new way . Credit: Alice Dohnalkova (distributed via imaggeo.egu.eu)

That soils are vital to secure our future supplies of water, food, as well as aiding adaptation to climate change and sustaining the planet’s biosphere is a subject we’ve featured on the blog as recently as the summer. That’s because never have humans been more out of touch with the vital importance of this natural resource. Inhabiting among soil particles thrives an even less familiar, but equall ...[Read More]

This calls for a celebration: GeoLog’s 1000 post!

Laura Roberts-Artal September 30, 2016

As far as blogging milestones go, today is pretty special. This is GeoLog’s 1000 post! Since the EGU’s official blog launched back in March 2010 (that’s right, there’s over 6 years of back catalogue for you to enjoy!), we’ve shared posts about research spanning almost every discipline in the Earth sciences; highlighted member’s adventures in the field and showcased the work of outstanding early ca ...[Read More]