The authorSimon Wellings
- 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
- Seismology in space
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Category Archives: geochemistry
The geology of diamonds is fascinating in itself, but they also give insights into wider geological processes and history. Up until 1725, diamonds were only known from India. That all changed when Brazilians panning river sediments for gold, instead found diamonds. Recent … Continue reading
Originally published on the Scientific American guest blog. Geoscientists can’t say if diamonds are forever, but they can say that some are already billions of years old. They form in a place we’ll never reach: the deep earth, hundreds of … Continue reading
The county of Cornwall is like England’s foot, stretching out languorously into the warm waters of the Gulf Stream. Now a relatively poor area, best known for fishing and tourism, it has a proud industrial past based on mining, notably of tin. … Continue reading