The authorSimon Wellings
- Scars, acne and others: circles on the ground
- Into the Third Dimension: using Google Maps to know what’s underground
- Looking from the sky at diamonds
- Great Geology in Google Maps: mapping from above
- Hot spot volcanoes: no plumes required?
- Great Geology in Google Maps: dunes
- Tasting the earth: mantle geochemistry
- Metamorphic petrology under stress: round 2
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Based on a work at all-geo.org.
Category Archives: metamorphism
Good building stones get reused. Sometimes the only traces of very old buildings are their stones, built into more modern ones. It’s the same with rocks and mountain belts. Stone that now forms parts of the Himalaya was once part … Continue reading →
Sedimentary basins have been described as ‘tape recorders’ that preserve evidence of past events. Some sedimentary basins contain ‘recordings’ of grand tectonic events – plate collisions and mountain building. The information is stored as subtle but compelling patterns in the … Continue reading →
I clearly remember the most important moment of my geological career. I was resting my back on a glacially-polished wall of gabbro, my feet in an Irish bog, talking to myself in the sunshine. As a young man with bushy hair … Continue reading →
Structural geologists seek to understand how rocks have changed shape, in order to better understand wider processes such as how mountains are formed. Sometimes they use a terminology called ‘Deformation-numbers’ which I will now explain via a series of pretty … Continue reading →