Author Archives: Chris Rowan

Venus stays out in the cold

We basically have a huge generation gap with Venus, and we really need something to launch in the early- to mid-2020s so we can maintain some kind of continuity.” I’m not a planetary scientist, but I’m still disappointed that two … Continue reading

Categories: planets, tectonics

An unremarkable year – seismically, anyway.

Political pundits seem fond of geological metaphors such as ‘earthquake’, ‘seismic shift’, ‘tectonic shift’ and ‘tsunami’ – and they’ve certainly had plenty of reasons to use such metaphors in the past 12 months, as both my birth country and my … Continue reading

Categories: earthquakes, geology, tectonics

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