Category Archives: diamonds

Looking from the sky at diamonds

When a geologist looks at Google Maps images, we usually filter out any human activity. But in the case of mines, that would be a mistake – the holes humans dig can tell us about the geology. What’s this? A big … Continue reading

Categories: diamonds, Great Geology in Google earth

Six amazing facts about what’s under your feet

Just 100s km away from you are right now there is a place where rocks can flow, where once-living matter is turned in jewels, from where deadly plumes once killed nearly all life on earth. We can never visit this place … Continue reading

Categories: Deep earth, diamonds, subduction

Story of an atom: diamond

This is the third part of a story told to me by a Carbon atom in my brain. It started with her tale of how she ended up on earth, followed by an inside view of the Carbon cycle. So like … Continue reading

Categories: diamonds, excessive anthropomorphism, imaginary conversations, subduction

A deeper look at the geology of diamonds

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

Categories: diamonds, eclogites, geochemistry, subduction