Nothing better characterises the wild US West than endless landscapes of red hoodoos, spires of rock protruding from the bottom of an arid drainage basin or badland. Found mainly in desert and dry, hot areas, hoodoos are distinctive from similarly-shaped formations, such as spires or pinnacles, because their profiles vary in thickness throughout their length. Their distinctive colour bands are the ...[Read More]
Geosciences Column: Spotting signs of sea-quakes
A French and Algerian study team seeks markers of underwater earthquakes off the Algerian coast. The team also matched the site’s paleoseismic history to land-based historical reports. Wayne Deeker reports. The Mediterranean Sea represents the boundary between the African and Eurasian plates. Yet the fault segment off the Algerian coast is one of the most active in the western Mediterranean. It is ...[Read More]
How interviews of famous geologists can help you learn more about geosciences
Today’s guest post comes from Daniel Minisini, a geologist with a passion for filming and philosophy who created a resource for the geosciences community called minigeology.com. In this post, he tells us a bit more about the website, and the inspiration behind the interviews he conducts and posts online. Hi! I am Daniel, a sedimentologist and stratigrapher trained as a marine geologist by my ...[Read More]
Imaggeo on Mondays: A rock and a hard place
Rocks within the Earth are constantly being subjected to forces that bend, twist, and fracture them, causing them to change shape and size. This process is known as deformation. Polyphase deformation occurs over time when rocks are affected, or stressed, by more than one phase of deformation. Geomorphologist Amirhossein Mojtahedzadeh captured this stunning scene whilst on field work. “This p ...[Read More]