Mechanisms to generate ultrahigh-temperature metamorphism
Ultrahigh-temperature (UHT; T max≥ 900° C) metamorphism requires unusually high heat
in continental crust at depths of 15–55 km, but how such extreme thermal conditions are …
in continental crust at depths of 15–55 km, but how such extreme thermal conditions are …
Crustal melting and suprasolidus phase equilibria: From first principles to the state-of-the-art
Partial melting is the fundamental process by which juvenile crust was produced from the
mantle and subsequently reworked to become the stable, compositionally-differentiated …
mantle and subsequently reworked to become the stable, compositionally-differentiated …
[HTML][HTML] Linking titanite U–Pb dates to coupled deformation and dissolution–reprecipitation
Titanite U–Pb geochronology is a promising tool to date high-temperature tectonic
processes, but the extent to and mechanisms by which recrystallization resets titanite U–Pb …
processes, but the extent to and mechanisms by which recrystallization resets titanite U–Pb …
Prograde zircon growth in migmatites
C Yakymchuk - Journal of Metamorphic Geology, 2023 - Wiley Online Library
Empirical studies of zircon in migmatites document features compatible with growth during
heating at suprasolidus conditions. However, numerical modelling of zircon behaviour …
heating at suprasolidus conditions. However, numerical modelling of zircon behaviour …
[HTML][HTML] The Northern Calcareous Alps revisited: Formation of a hyperextended margin and mantle exhumation in the Northern Calcareous Alps sector of the Neo …
Abstract The Neo-Tethys margin evolution is preserved in the Northern Calcareous Alps
(Eastern Alps), from Late Permian crustal stretching to Late Triassic oceanization. The …
(Eastern Alps), from Late Permian crustal stretching to Late Triassic oceanization. The …
[HTML][HTML] Crystal plasticity and fluid availability govern the ability of titanite to record the age of deformation
Here, we study the relationships of titanite-hosting microdomains, intragrain chemical
variations, microstructure and fluids with the aim of deciphering the reliability of titanite U–Pb …
variations, microstructure and fluids with the aim of deciphering the reliability of titanite U–Pb …
Critical metal enrichment in crustal melts: The role of metamorphic mica
Abstract Metals such as Li, Be, V, Co, Nb, In, Cs, Sn, Ta, and W are considered resources
that are critical for modern economies. They can be significantly enriched in granites and …
that are critical for modern economies. They can be significantly enriched in granites and …
Isotope evidence for Archean accordion-tectonics in the Superior Province
Archean cratons preserve the oldest continental crust, but their tectonic mode of formation
and assembly remain key unknowns. The Superior Province is Earth's largest Archean …
and assembly remain key unknowns. The Superior Province is Earth's largest Archean …
Protracted zircon geochronological record of UHT garnet-free granulites in the Southern Brasília orogen (SE Brazil): Petrochronological constraints on magmatism and …
The investigation of ultrahigh temperature (UHT) metamorphic rocks, and their
corresponding (pressure)-temperature-time (PTt) history is critical to distinguish between arc …
corresponding (pressure)-temperature-time (PTt) history is critical to distinguish between arc …
[HTML][HTML] Hafnium isotope systematics of zircon in high-grade metamorphic rocks of the Anabar shield, Siberia: Radiogenic Hf without mantle input?
The timing for the onset of plate tectonics, along with the secular changes in the tectonic
settings of continental crust formation, continue to be debated. Recent interpretations based …
settings of continental crust formation, continue to be debated. Recent interpretations based …