DCO Project Summary

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Project Title
DMGC - Water and Carbon Pathways in the Deep Mantle from Diamond Petrogenesis
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We are using mineral inclusion suites in diamonds to understand the recycling of carbon, nitrogen, and water into the mantle and place limits on the possible pathways by determining inclusion ages with radiometric techniques. To date we have corroborated the basic water-carrying capacity of subducted slabs and placed constraints on N substitution mechanisms in mixed habit diamonds. Future work will look at diamonds from as yet unstudied cratons and attempt to understand anomalously cool/short mantle residence diamonds.

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