The authorSimon Wellings
- Great Geology in Google Maps: dunes
- Tasting the earth: mantle geochemistry
- Metamorphic petrology under stress: round 2
- Seismology in space
- The Constitution of the Interior of Earth, as Revealed by Earthquakes
- Subduction is not the end
- Paths across the Cheshire Peak
- A new paradigm for Barrovian metamorphism?
Search this blog
- On The Geology of Mount Everest:
- Kevin N: Calum Gilhooly — This is a year-and-a-half late, but I’ve written a rebuttal to the young... (18 days 20 hours ago)
- Metageologist: Hi Roy, There is a mechanism called ‘shear heating’ that has been considered as a... (21 days 23 hours ago)
- Roy P Dunn: When you pump up your bicycle tyres, the pump gets hot, due to friction in the pump mechanism, and... (22 days 9 hours ago)
- Charles: Ok. If true, Either possibilities must exist. 1. A corresponding deepening of the Tibetan plate, sea... (49 days 19 hours ago)
- Leon Williams: This is nicely written. These ancient civilizations are amazing. Here is one on the Olmecs... (51 days 10 hours ago)
- Mary: Interesting post, thanks! That’s a wonderful image of those very ancient sediments deep beneath... (78 days 13 hours ago)
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Based on a work at all-geo.org.
Category Archives: geochemistry
If seismologists listen to the earth then geochemists taste it. Like experts blind-tasting a glass of wine and recognising where it came from, geochemists studying the deep earth aim to find out where a particular liquid came from. Their liquid – basaltic magma formed … Continue reading
We tend to think of radioactivity as an artificial thing; some argue that the first nuclear explosions in 1945 should mark the start of a new human-dominated geological epoch called the Anthropocene. These man-made explosions have left distinctive radioactive traces … Continue reading