Oxidation during metasomatism in ultramafic xenoliths from the Wesselton kimberlite, South Africa: Implications for the survival of diamond

Earth & Environmental Sciences

• kimberlite 63%
• metasomatism 61%
• xenolith 58%
• diamond 54%
• garnet 50%
• Africa 41%
• oxidation 35%
• fugacity 20%
• orthopyroxene 13%
• peridotite 12%
• oxygen 11%
• olivine 11%
• fayalite 8%
• resorption 7%
• zoning 5%
• magnetite 5%
• spectroscopy 5%
• spatial resolution 4%
• trace element 4%
• temperature 4%
• quartz 4%
• carbonate 4%
• fluid 3%
• material 2%

Physics & Astronomy

• kimberlite 100%
• Republic of South Africa 84%
• garnets 59%
• diamonds 43%
• oxidation 40%
• peridotite 21%
• olivine 16%
• rims 14%
• oxygen 11%
• fayalite 9%
• trace elements 8%
• carbonates 6%
• magnetite 6%
• destruction 5%
• quartz 5%
• buffers 5%
• spatial resolution 4%
• formulations 4%
• high resolution 3%
• fluids 3%
• room temperature 3%
• curves 3%
• spectroscopy 3%
• temperature 1%

Chemistry

• Fugacity 75%
• Diamond 52%
• Dioxygen 26%
• Oxidation Reaction 24%
• Buffer Solution 11%
• Spectroscopy 11%
• Pressure 10%
• Ambient Reaction Temperature 10%