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Skip to Search Results- 2Harris, Jeff W.
- 2Pearson, D. Graham
- 2Stachel, Thomas
- 2Stern, Richard A.
- 1Burnham, Antony D.
- 1Bussweiler, Yannick
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2023-01-01
Regier, Margo E., Smit, Karen V., Chalk, Thomas B., Stachel, Thomas, Stern, Richard A., Smith, Evan M., Foster, Gavin L., Bussweiler, Yannick, Debuhr, C., Burnham, Antony D., Harris, Jeff W., Pearson, D. Graham
Abstract Boron is a quintessential crustal element but its conspicuous presence in diamond – a mantle mineral – raises questions about potential subduction pathways for boron and other volatiles. It has been a long-standing goal to characterize the isotopic composition of boron in blue,...
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Formation of mixed paragenesis diamonds during multistage growth – constraints from in situ δ 13C–δ 15N–[N] analyses of Koidu diamonds
Download2022-01-01
Lai, Mei Yan, Stachel, Thomas, Stern, Richard A., Hardman, Matthew F., Pearson, D. Graham, Harris, Jeff W.
Abstract Inclusion-bearing diamonds from the Koidu kimberlite complex, Sierra Leone (West African Craton) were analyzed in situ for carbon and nitrogen isotope compositions, nitrogen concentrations and nitrogen aggregation states. In a suite of 105 diamonds, 78% contain eclogitic mineral...