Diamonds from Orapa Mine show a clear subduction signature in SIMS stable isotope data

I.L. Chinn1, S. Perritt1, Johann Stiefenhofer2, Richard A. Stern3
1De Beers Group Services (Pty) Ltd, Southdale, South Africa
2MinRes, Anglo American Operations Ltd, Johannesburg, South Africa
3Canadian Centre for Isotopic Microanalysis, University of Alberta, Edmonton, Canada

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