Current and emerging analytical techniques for geochemical and geochronological studies

V Balaram - Geological Journal, 2021 - Wiley Online Library
Progress in both basic and applied geochemical studies highly depend on the progress of
the analytical instrumentation in general. In recent times, there have been spectacular …

New magmatic oxybarometer using trace elements in zircon

RR Loucks, ML Fiorentini, GJ Henríquez - Journal of Petrology, 2020 - academic.oup.com
We derive a novel method for determining the oxidation state of a magma as zircon
crystallized, with a standard error of±0· 6 log unit ƒO2, using ratios of Ce, U, and Ti in zircon …

Destabilization of long‐lived Hadean protocrust and the onset of pervasive hydrous melting at 3.8 Ga

N Drabon, BL Byerly, GR Byerly, JL Wooden… - AGU …, 2022 - Wiley Online Library
The nature of Earth's earliest crust and crustal processes remain unresolved questions in
Precambrian geology. While some hypotheses suggest that plate tectonics began in the …

On the eruption age and provenance of the Old Crow tephra

SD Burgess, MA Coble, JA Vazquez… - Quaternary Science …, 2019 - Elsevier
Tephrochronology is used to correlate and reconstruct geographically disparate
sedimentary records of changing environment, climate, and landscape throughout geologic …

A comparison between zircons from the Acasta Gneiss Complex and the Jack Hills region

JR Reimink, JHFL Davies, AM Bauer… - Earth and Planetary …, 2020 - Elsevier
The composition and origin of the earliest continental crust is intensely debated. The
understanding of its composition relies heavily on the oldest vestiges of continental crust …

Tracking crystal-melt segregation and magma recharge using zircon trace element data

LL Yan, ZY He, R Klemd, C Beier, XS Xu - Chemical Geology, 2020 - Elsevier
Abstract The Cretaceous Yunshan caldera complex in SE China consists of an unusual
coexisting assemblage of peraluminous and peralkaline rhyolites and a resurgent intra …

Neoproterozoic low-T/P metamorphism in the Yangtze Block manifests a long-lived subduction girdle around Rodinia

JY Li, XL Wang, PA Cawood, ZD Gu, Y Guan - Earth and Planetary Science …, 2024 - Elsevier
Identifying long-lived subduction at the periphery of supercontinents provides insights into
the processes of block assembly and dispersal within the supercontinent cycle. The Yangtze …

Isotope-dilution anchoring of zircon reference materials for accurate Ti-in-zircon thermometry

D Szymanowski, MA Fehr, M Guillong, MA Coble… - Chemical …, 2018 - Elsevier
The temperature-dependence of Ti incorporation into zircon can be used to estimate
crystallisation conditions and to make inferences about the petrogenesis of host rocks or …

Heterogeneous Hadean crust with ambient mantle affinity recorded in detrital zircons of the Green Sandstone Bed, South Africa

N Drabon, BL Byerly, GR Byerly… - Proceedings of the …, 2021 - National Acad Sciences
The nature of Earth's earliest crust and the processes by which it formed remain major
issues in Precambrian geology. Due to the absence of a rock record older than∼ 4.02 Ga …

Monazite in the eclogite and blueschist of the Svalbard Caledonides: its origin and forming-reactions

K Kośmińska, K Fassmer, WC McClelland… - … to Mineralogy and …, 2023 - Springer
High-pressure low-temperature rocks from Svalbard are an excellent target for studying
metamorphic reactions in Phanerozoic subduction zones. This study reveals the presence of …