This unusual looking caterpillar is working his way across the Houjiashan Formation on the North China Craton. These rocks formed in the lower Cambrian, and are crossed with burrows formed by some of the earliest motile animals. (c) Geology for Global Development 2013
GeoSphere
Guest Post – Mike Power – Using surficial geochemistry to detect buried mineral deposits
Finding the next big mineral deposit is a dream of many geologists past, present and future. However, in the past hundred years or so, many of them close to surface have already been found and developed. This is because they can be found relatively inexpensively by traditional methods such as geochemical surveys, shallow geophysics, drilling, and a lot of luck. In the 21st century, mineral explora ...[Read More]
Green Tea and Velociraptors
How did birds get their wings?
How many fingers do you have? Hopefully, 5. Do you think that’s the normal condition for all animals? Do you think that’s air you’re breathing right now? … OK, so I watched the Matrix last night, but still, do you think all tetrapods (dudes with 4 feet, including you, and anything else with four flippers, wings, or feet) have 5 digits on each limb? Actually, there’s a pattern within tetrapods of l ...[Read More]
Geology for Global Development
Upcoming GfGD Placements
July will be a busy month for a few GfGD members – as they undertake geoscience-development based placements with a variety of hosts. Below we introduce you to the three students, and give them the chance to say a few words about the opportunity they’ve been given. Each student will be preparing a report on their placement, which will be made available on our website. All future placem ...[Read More]
GeoSphere
Geology Photo of the Week #36
The highlighted photo for this week comes from my last trip to New Zealand for the AMS12 conference a few years ago. They were taken at the end of a hiking trail in the Mount Cook area, it is behind the clouds looking straight ahead but you can kind of make out some small glaciers in the distance. However, the interesting stuff is all in the foreground. These pictures highlight two really interest ...[Read More]
Geology for Global Development
Placement Report – Sam Marshall (CAFOD, April 2013)
At the end of each GfGD placement we ask the student completing that placement to think about his/her experiences and write a short report (available to download here). In April 2013, Sam Marshall spent a week working with disaster risk reduction advisor Dr Kate Crowley (pictured with Sam Marshall) at the international NGO CAFOD. Today we share Sam’s report – outlining what he got up t ...[Read More]
Geology for Global Development
Friday Photo (84): Wildlife in the Field – Ostriches at the Craton Boundary
These wild ostriches (two female on the left hand side, one male on the right) are lined up alongside the boundary between the Congo and the Kalahari cratons in southern Namibia. The craton boundary is marked by a visible fault scarp. (c) Geology for Global Development 2013
Geology for Global Development
In the News (June 2013)
We highlight some of the items that have caught our eye in the news recently Volcanic History In a recent study, published in IOP Science, Irish historical records were used to trace the impact of volcanic eruptions on climate over a 1200 year period. Geological events are recorded by geochemical proxies and physical changes within the rocks – these are the lines of evidence that geol ...[Read More]
Geology for Global Development
Guest Blog: Disaster Resilience in Dharamsala, India
John McCarthy and Sam Bradley are collaborating to develop an earthquake awareness and disaster resilience program for vulnerable communities in Dharamsala, India. The region is predicted to have an extremely large earthquake in the next 50 years and they are looking to raise awareness, develop community programs and improve the resilience capacity for the population. John and Sam both have Master ...[Read More]
Geology for Global Development
Friday Photo (83): Wildlife in the Field – Giant Millipede Inspects Stromatolites
A giant millipede kindly provides a scale for a photo of some stromatolites in the Nama group, Namibia. Microbial communities grow upwards towards the light. Each growth phases is cemented by carbonate grains that stick to the sticky EPS substance that the communities produce, forming layered stromatolite columns. The stromatolites pictured above formed 550 million years ago – just as some o ...[Read More]