 | Harris, Garrett A., Pearson, D. Graham, Liu, Jingao, Hardman, Matthew F., Snyder, David B., Kelsch, Dave (2018) Mantle composition, age and geotherm beneath the Darby kimberlite field, west central Rae Craton. Mineralogy and Petrology, 112. 57-70 doi:10.1007/s00710-018-0609-4 | Journal (article/letter/editorial) | | composition, age and geotherm beneath the Darby kimberlite field, west central Rae Craton Garrett A. Harris...The Rae Craton, northern Canada, contains several diamondiferous kimberlite fields that have been a focus...compositional data for peridotite and pyroxenite/eclogite xenoliths from the Darby kimberlites representing...the first kimberlite eruption age of 542.2 ±2.6 Ma (2 σ; phlogopite Rb-Sr isochron). Darby peridotites...Craton localities. One peridotite xenolith contains a harzburgitic G10D garnet. Re-Os TRD model ages appear |  | Poitras, Stéphane P., Pearson, D. Graham, Hardman, Matthew F., Stachel, Thomas, Nowell, Geoff M., Cairns, Scott (2018) Evidence for a 200 km thick diamond-bearing root beneath the Central Mackenzie Valley, Northwest Territories, Canada? Diamond indicator mineral geochemistry from the Horn Plateau and Trout Lake regions. Mineralogy and Petrology, 112. 719-736 doi:10.1007/s00710-018-0641-4 | Journal (article/letter/editorial) | | Central Mackenzie Valley, Northwest Territories, Canada? Diamond indicator mineral geochemistry from the...of basement rocks (2.2–1.7 Ga) and presence of kimberlite indicator minerals (KIMs) in Quaternary sediments...count for both regions (> 25% each) while eclogitic garnet is almost absent in both regions (< 1% each). KIM...local and/or distal kimberlite bodies. Radiogenic isotope analysis of detrital kimberlite-related CMV ilmenite...source(s) to be constrained. Keywords Kimberlite indicator minerals . Garnet . Ilmenite . Hf isotopes . Geothermobarometry |
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