Spring waters are rich in minerals, carrying with them dissolved components of the rocks they have travelled through. The water that discharges at Mammoth Hot Springs in Yellowstone National Park is highly alkaline (contains a lot of dissolved CO2) and rich in calcium, but as the water cools, the calcium precipitates to form the white …[Read More]
Latest posts
Murky waters – what counts as good water quality?
Flo Bullough discusses the meaning of good and bad water quality, what’s in our tap water and what policies control the content of drinking water. Pressure on water supply and quality has been high on the public and media agenda over the last 18 months. The widely publicised drought in early 2012, recent reports that …[Read More]
Sustainable Development in the Himalayas – GfGD’s Role in a Major Upcoming Conference
In June 2014 a conference will take place in Leh (Ladahk Region, India) with a focus on sustainable resource development in the Himalayas. The conference is being organised by the Geological Society of London, in collaboration with the Institute of Energy Research and Training at the University of Jammu, India and many other stakeholders. It …[Read More]
Soils at Imaggeo: Sand dunes at the east shore of Lake Michigan, USA
Simon Schneider, R&D Programme GEOTECHNOLOGIEN , Potsdam – Germany The coastal sand dunes along the eastern shore of Lake Michigan make up the largest collection of freshwater coastal dunes in the world. They provide valuable information that will help to manage and protect them and yields important insights into both the development of coastal dunes …[Read More]
Upcoming EGU elections
The EGU Election Autumn 2013 for the next EGU President/Vice-President and General Secretary will take place between 01 November – 01 December 2013. You are kindly asked to propose a candidate to any vacancy by 30 September 2013. You are welcome and encouraged to nominate yourself. If you are nominating someone else, please get the candidate’s consent. …[Read More]
Soils at Imaggeo: Pores in ‘heart-shaped’ pyrite aggregate in clay
Susanne Hemes (RWTH Aachen University, Germany) The image was taken using a ‘Zeiss – Supra55’ Scanning Electron Microscope at 15,000x magnification and 10kV electron acceleration voltage, as part of my PhD work on the porosity in fine- and coarse-grained Boom Clay samples. The picture shows pores in framboidal pyrite aggregates, embedded in a fine-grained clay …[Read More]
Friday Photo (91): Lava Flows at Mount Etna
Hiking across lava flows on Mt Etna to use a GPS point on the cone in the background. Credit: Rick Wall (c) Geology for Global Development 2013
A view on peatlands
During the last FESP4 (4th Int Meeting on Fire Effects on Soil Properties, Vilnius, Lithuania), participants in the meeting visited the Dzūkija National Park. This park was established in 1991 in the region of Varena (southern Lithuania). The park extends over approximately 550 km2 along the Nemunas River, near the border between Lithuania and Belarus. …[Read More]
Welcome New EGU Bloggers
The EGU blog network has been running for about 10 months and has been a great experience for me so far. The blog network has now expanded with 6 new blogs, covering a variety of topics, and I’d like to take this opportunity to welcome the new EGU bloggers! In no particular order they are: …[Read More]
Introducing the new EGU Bloggers!
Since it started, the EGU Blog Network has had great coverage of geochemistry, palaeontology and geoscience in global development, but what about the other fields in the geosciences? Well, over the past couple of months we’ve been seeking out some fantastic Earth science bloggers who are keen to share their knowledge, experiences and the latest …[Read More]