Zircon: The metamorphic mineral

D Rubatto - Reviews in mineralogy and geochemistry, 2017 - pubs.geoscienceworld.org
A mineral that forms under conditions as variable as diagenesis to deep subduction, melt
crystallization to low temperature alteration, and that retains information on time …

Origin of postcollisional magmas and formation of porphyry Cu deposits in southern Tibet

R Wang, RF Weinberg, WJ Collins, JP Richards… - Earth-Science …, 2018 - Elsevier
The recent discovery of large porphyry copper deposits (PCDs) associated with Miocene (22–
12 Ma) granitoid magmas in the eastern section of the Paleocene-Eocene Gangdese …

No evidence of supracrustal recycling in Si-O isotopes of Earth's oldest rocks 4 Ga ago

Q Zhang, L Zhao, D Zhou, AP Nutman, RN Mitchell… - Science …, 2023 - science.org
Identifying the oldest evidence for the recycling of hydrated crust into magma on Earth is
important because it is most effectively achieved by subduction. However, given the sparse …

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 …

Earth's first stable continents did not form by subduction

TE Johnson, M Brown, NJ Gardiner, CL Kirkland… - Nature, 2017 - nature.com
The geodynamic environment in which Earth's first continents formed and were stabilized
remains controversial. Most exposed continental crust that can be dated back to the …

[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 …

High-precision U-Pb zircon dating identifies a major magmatic event on the Moon at 4.338 Ga

M Barboni, D Szymanowski, B Schoene… - Science …, 2024 - science.org
The Moon has had a complex history, with evidence of its primary crust formation obscured
by later impacts. Existing U-Pb dates of> 500 zircons from several locations on the lunar …

The production of granitic magmas through crustal anatexis at convergent plate boundaries

YF Zheng, P Gao - Lithos, 2021 - Elsevier
Granite petrogenesis is associated with the formation and evolution of continental crust
along convergent plate boundaries. While magmatic processes such as partial melting and …

High silica granites: Terminal porosity and crystal settling in shallow magma chambers

CTA Lee, DM Morton - Earth and Planetary Science Letters, 2015 - Elsevier
Abstract High silica (> 70 wt.% SiO 2) granites (HSGs) are important carriers of highly
incompatible elements, thus, understanding their origin is relevant to understanding how the …

U-Pb geochronology of the Deccan Traps and relation to the end-Cretaceous mass extinction

B Schoene, KM Samperton, MP Eddy, G Keller… - Science, 2015 - science.org
The Chicxulub asteroid impact (Mexico) and the eruption of the massive Deccan volcanic
province (India) are two proposed causes of the end-Cretaceous mass extinction, which …