Author Archives: Chris Rowan

A cross-section through the Earth

One of the first things I do in my introductory geology class is talk about the structure of the Earth. Knowing the names, composition and physical properties of the different layers is an important foundation for the rest of the … Continue reading

Categories: basics, geology, geophysics, planets, teaching

Happy 100th Birthday, National Park Service!

As the US National Park Service celebrates its Centennial this year, we thought we’d celebrate with it by sharing some of our favorite photos from the national parks we have visited in the era of digital photography. Congaree National Park … Continue reading

Categories: geology, photos

A Highly Allochthonous Advent Calendar

Snapshots of what we’ve been working on in 2015 – updated daily until Christmas! Continue reading

Categories: geology

Stuff we linked to on Twitter last week

My Description Continue reading

Categories: geology

The geodetic fingerprints of shallow thrusting in Nepal

NASA’s Earth Observatory put out this great image last week, which shows the ground displacement in Nepal resulting from last month’s devastating magnitude 7.8 earthquake, which has claimed at least 8,500 lives. The vertical displacements have been calculated by comparing … Continue reading

Categories: earthquakes, geohazards, structures, tectonics