diamonds
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Hidden Within African Diamonds, a Billion-Plus Years of Deep-Earth History
Fluids trapped within the stones are helping researchers reconstruct the deep history of the continent, and eventually maybe others.
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Some Islands Started in Diamond-Bearing Regions Under Continents, Geochemists Say
Journeys Spanning Thousands of Miles, Billions of Years
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Photo Essay: The Mystery of North American Diamonds
People have been finding loose diamonds across the United States and Canada since the early 1800s, but for the most part, no one knows where they came from. It was not until the 1990s that geologists tracked down the first commercial deposits, on the remote tundra of Canada’s Northwest Territories. Yaakov Weiss, a geochemist at…
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Cracking Open Diamonds for Messages From the Deep Earth
“After a diamond captures something, from that moment until millions of years later in my lab, that material stays the same. We can look at diamonds as time capsules, as messengers from a place we have no other way of seeing.”
