Diamonds are helping geologists unravel clues about how the earth's precious metal mineralization was formed and why diamonds and some of these metals are found in only a few places around the world. In a research paper published in this week's journal Nature, researchers from the Carnegie Institution and the University of Cape Town presented their findings after studying two billion year-old diamonds mined near the famed Bushveld Complex, a unique and mysterious geological formation in central South Africa.

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