An Ediacaran orogeny in subglacial East Antarctica is uncovered by detrital garnet geochronology
Sharmaine Verhaert,
Stijn Glorie,
Martin Hand
et al.
Abstract:Detrital minerals provide valuable insights into the tectonic history of continents. Uranium-lead dating of detrital zircon is widely used to characterize the magmatic history of continents but is generally insensitive to metamorphism accompanying the production and reworking of crust during orogenesis. Garnet is the most important mineral for recording prograde and peak orogenic metamorphism and can occur as a common detrital phase. Here, we demonstrate laser-ablation lutetium-hafnium (Lu-Hf) geochronology of… Show more
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