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Improving the use of eclogitic garnet as a diamond indicator mineral, and constraining the origin of eclogites in the subcontinental lithospheric mantle
DownloadSpring 2020
Diamond occurs in the subcontinental lithospheric mantle (SCLM) and is transported to the surface by kimberlite-lamproite volcanism and other deeply-derived volcanic rocks. In the SCLM diamond is often hosted by peridotitic or eclogitic substrates. Even when it occurs in economic abundances in a...
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Mineral inclusions in diamonds from Chidliak (Nunavut, Canada): constraining the diamond substrates
DownloadFall 2018
The Chidliak kimberlite pipe is located on the Hall Peninsula on Baffin Island in Nunavut. The first kimberlite in Chidliak was discovered in 2008. Previous studies (e.g., Hogberg et al., 2016) on Chidliak inclusion-free diamonds have suggested that 1) two diamond growth stages are recorded by...
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Fall 2020
Subduction is a dominant force that has driven the evolution of Earth’s atmosphere, the diversity of its crustal lithologies, and the variety of its deep mantle regimes. In this thesis, I present three separate studies that examine the importance of subduction in the creation of ancient cratonic...