The authorSimon Wellings
- Metamorphic petrology: under pressure and getting stressed?
- Dinosaurs and the dangers of pedantism
- Six amazing facts about what’s under your feet
- A world without subduction
- #thinsectionThursday – what Twitter was made for
- The Himalaya: mountains made from mountains
- BRITICE-CHRONO: death of an ice sheet
- Traces of glacial ice and water
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Based on a work at all-geo.org.
Category Archives: metamorphism
Eclogites are beautiful rocks that form deep within subduction zones. The vast majority of subducted oceanic crust becomes more dense than the surrounding mantle rocks and travels to the strange world of the deep earth. Lucky for us, small volumes … Continue reading →
Almost all of what I write about in this blog concerns only 1% of the earth’s volume. All crust, all sedimentary rocks, the glories of mountain building, all occupy an insignificant portion of the earth. It’s the only bit we … Continue reading →
Some rocks lead a quiet life. Stable parts of continental crust just sit there for billions of years, doing nothing. In the oceans things are much more dynamic. Live fast, die young, stay pretty is the motto of oceanic crust. … Continue reading →
Fifty kilometres is not far. World-class marathon runners run 42km in a little over 2 hours. They only move along the earth’s surface though. Getting to 50 kilometres below your feet is a different thing entirely. It’s a place of … Continue reading →