Category Archives: geochemistry

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

Some facets of the Geology of Diamonds

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

Categories: diamonds, geochemistry, impacts, subduction

Cornwall: tin, pasties and the world

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

Categories: England, geochemistry, History

Mexican silver in Tudor England

Geology and history have much in common. Both seek to understand the past by objective analysis of the traces it has left in the present. Both arose from the application of hand and mind to the study of particular things … Continue reading

Categories: geochemistry, History