The meteoric impact that wiped out the non-bird-line dinosaurs is an iconic image of life and death on Earth. It signifies a point in time when life changed forever. It took from us animals that we will never see again. But was it just a single strike that created these winds of permanent change? The crater from Chicxulub in Mexico is the scapegoat for taking dinosaurs from us, but did it have a p ...[Read More]
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Four Degrees
The wet with the dry: The geology of Siwa Oasis
Flo takes us on a photoblog-trip to Siwa Oasis in Egypt where epic sand seas meet freshwater springs, saline lakes and sulphurous hot pools! The blog’s going on holiday this week! I spent a week in Egypt on holiday last month and braved the 10 hour overnight bus journey from the capital city Cairo to visit the breathaking beauty of the Siwa Oasis in the Egyptian sand sea of the Libyan desert. I h ...[Read More]
GeoLog
Imaggeo on Mondays: Exploring the East African Rift
This week’s Imaggeo on Mondays is brought to you by Alexis Merlaud, an atmospheric scientist from the Belgian Institute for Space Aeronomy. While the wonders of the African atmosphere feature in his photography, the East African Rift has a much bigger tale to tell. Drawing from all aspects of geoscience Alexis shares its story… This picture shows Kilimanjaro, Africa’s highest mountain, at sunrise. ...[Read More]
Seismology
A bibliography of seismic events
Search for previous scientific work is never an easy task. Thanks to the internet and good search engines such as Google Scholar this process has been made a bit more easier. (It makes young scientists wonder how searching was done in the pre-internet days!). Although searching nowadays seems to be a simple tasks, it still requires putting in the correct combination of search terms. Furthermore yo ...[Read More]
Geology for Global Development
Field Research in Guatemala (4) – Reflections from Fuego
Joel Gill (GfGD Founding Director) continues his live reporting from Guatemala, discussing his interdisciplinary field research relating to natural hazard interactions and disaster risk reduction. This fieldwork forms part of a NERC/ESRC funded PhD, supervised by staff in the Department of Geography at King’s College London. Over the past few weeks I’ve had the opportunity to see some remar ...[Read More]
Soil System Sciences
Monday paper: Paleosols in the Transantarctic Mountains: indicators of environmental change
Bockheim, J. G. 2013. Paleosols in the Transantarctic Mountains: indicators of environmental change. Solid Earth 4, 451-459. DOI: 10.5194/se-4-451-2013 Abstract The Transantarctic Mountains (TAMs), a 3500 km long chain that subdivides East Antarctica from West Antarctica, are important for reconstructing the tectonic, glacial, and climatic history of Antarctica. With an ice-free area of 24 200 km2 ...[Read More]
Geology for Global Development
Friday Photo (118) – 2nd March 2014 Lava Flows (Pacaya, Guatemala)
Basaltic ‘Aa’ Lava Flows From the 2nd March 2014 Eruption of Pacaya, Guatemala (Credit: Joel Gill, 2nd March 2014)
Seismology
Earthquake lights (2)
The phenomena of earthquake lights, mysterious lights in the sky during seismic activity, is still not clearly understood (check out the previous post about Earthquake Lights). Now, new research reveals interesting discoveries that might give a better scientific explanation about the phenomena. A presented research at the Bulletin of the American Physical Society, APS March Meeting in Denver, Colo ...[Read More]
Green Tea and Velociraptors
New dinosaur competes to be Europe’s largest ever land predator
This was originally posted at: https://theconversation.com/new-dinosaur-competes-to-be-europes-largest-land-predator-23997 Say hello to Torvosaurus gurneyi, the newly discovered theropod dinosaur that lived in Europe around 157-145 million years ago. It is potentially the largest land predator discovered in Europe and one of the largest carnivorous dinosaurs from the late Jurassic period. The iden ...[Read More]
Between a Rock and a Hard Place
Science Snap #21: Nash Point, Vale of Glamorgan, Wales
Sorcha McMahon is a third year PhD student in the School of Earth Sciences at the University of Bristol. Sorcha is investigating how strange igneous rocks called carbonatites may have formed, using both natural samples and high-pressure experiments. Nash Point is a picturesque headland along the coastline of the Vale of Glamorgan, consisting of near-vertical cliffs of limestone and mudstone. Strat ...[Read More]