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Fall 2011
The Renard kimberlites (52°48’26N, 72°14’52W: Quebec, Canada) are typical for primary diamond deposits: being located within Archean basement (Superior craton). Pb-Pb isotope data of clinopyroxenes also suggests an Archean age (~2.7Ga) for the subcratonic lithospheric mantle (SCLM). The Carolina...
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2023-04-28
Chase, Brandon FW., Unsworth, Martyn J.
If you use this data, please cite either this portal or the journal article published using this data, which can be found here: https://doi.org/10.1029/2023JB026555 Please read the description below. Any questions can be emailed to bchase1@ualberta.ca This entry contains the data from 13...
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Fall 2012
Phlogopite, an alkali-rich and water-bearing mineral, is a common phase in the Earth’s upper mantle. Its breakdown could generate melts or stabilize fluids that will metasomatize mantle rocks. To date, the effect of CO2 on phlogopite stability remains unconstrained. To evaluate the stability of...
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Precious metal, Lu-Hf, and Re-Os geochemistry of the metasomatized lithospheric mantle: implications for subcrustal precious metal mobilization and MARID petrogenesis
DownloadFall 2022
The connection between metasomatism - the change in chemical composition of a rock via interaction with a fluid or melt - and the formation of metalliferous ore deposits in the Earth’s crust is well established. Similarly, it is now accepted that the Earth’s lithospheric mantle has experienced...
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The Quandary of the Sask Craton: Origin and Evolution of the Lithospheric Mantle beneath the Sask Craton
DownloadFall 2018
Mantle xenoliths from the Cretaceous (~106 to ~95 Ma) kimberlites at Fort à la Corne (FALC) present a unique opportunity to study the lithospheric mantle beneath the newly recognised Sask Craton. The Sask Craton, a small terrane with Archean (3.2 - 2.5 Ga) crustal ages, is enclosed in the...