Mechanisms to generate ultrahigh-temperature metamorphism

S Jiao, M Brown, RN Mitchell, P Chowdhury… - Nature Reviews Earth & …, 2023 - nature.com
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 …

The mineral system approach applied to magmatic Ni–Cu–PGE sulphide deposits

SJ Barnes, AR Cruden, N Arndt, BM Saumur - Ore geology reviews, 2016 - Elsevier
Abstract Most magmatic Ni–Cu–PGE sulphide deposits occur within long-lived magma
pathways fed by high degree partial melts of the mantle. Holistic mineral-system analysis for …

Th/U ratios in metamorphic zircon

C Yakymchuk, CL Kirkland… - Journal of Metamorphic …, 2018 - Wiley Online Library
The Th/U ratios of zircon crystals are routinely used to help understand their growth
mechanism. Despite the wide application of Th/U ratios in understanding the geological …

Zircon Th/U ratios in magmatic environs

CL Kirkland, RH Smithies, RJM Taylor, N Evans… - Lithos, 2015 - Elsevier
A comprehensive database of zircon composition in West Australian magmatic rocks reveals
negative correlations between both U and Th zircon/whole rock ratio and the zircon …

[HTML][HTML] On ultrahigh temperature crustal metamorphism: Phase equilibria, trace element thermometry, bulk composition, heat sources, timescales and tectonic …

DE Kelsey, M Hand - Geoscience Frontiers, 2015 - Elsevier
Ultrahigh temperature (UHT) metamorphism is the most thermally extreme form of regional
crustal metamorphism, with temperatures exceeding 900° C. UHT crustal metamorphism is …

Granitic pegmatites as reflections of their sources

P Černý, D London, M Novák - Elements, 2012 - pubs.geoscienceworld.org
Pegmatites accentuate the trace element signatures of their granitic sources. Through that
signature, the origin of pegmatites can commonly be ascribed to granites whose own source …

Contrasting styles of Phanerozoic and Precambrian continental collision

E Sizova, T Gerya, M Brown - Gondwana Research, 2014 - Elsevier
There are differences in the style of collisional orogens between the Phanerozoic and the
Precambrian, most notably the appearance of blueschists and ultrahigh pressure …

Multi-proxy evidence for subduction of the Neoproterozoic Adamastor Ocean and Wilson cycle tectonics in the South Atlantic Brasiliano Orogenic System of Western …

FA Caxito, LA Hartmann, M Heilbron… - Precambrian …, 2022 - Elsevier
Abstract Field, petrographic, geophysical, geochronological, elemental and isotopic data
support the identification of distinct components of a Wilson cycle (rift-drift-subduction …

Compressional intracontinental orogens: Ancient and modern perspectives

T Raimondo, M Hand, WJ Collins - Earth-Science Reviews, 2014 - Elsevier
Compressional intracontinental orogens are major zones of crustal thickening produced at
large distances from active plate boundaries. Consequently, any account of their initiation …