Monazite microstructures and their interpretation in petrochronology

B Schulz - Frontiers in Earth Science, 2021 - frontiersin.org
The phosphate mineral monazite (LREE, Y, Th, Ca, Si) PO4 occurs as an accessory phase
in peraluminous granites and Ca-poor meta-psammopelites. Due to negligible common Pb …

Recognition of melferite–A rock formed in syn-deformational high-strain melt-transfer zones through sub-solidus rocks: A review and synthesis of microstructural …

NR Daczko, S Piazolo - Lithos, 2022 - Elsevier
Melt transfer and migration occurs through both supra-and sub-solidus rocks. Mechanisms
of melt transfer include dyking, mobile hydrofracturing and diffuse porous melt flow where …

[HTML][HTML] Crystal plasticity and fluid availability govern the ability of titanite to record the age of deformation

S Corvò, M Maino, S Piazolo… - Earth and Planetary …, 2023 - Elsevier
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 …

Metasomatic modification of Sr isotopes in apatite as a function of fluid chemistry

XC Li, DE Harlov, MF Zhou, H Hu - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Apatite is a ubiquitous accessory mineral in crustal rocks. The Sr-isotope record of apatite
has a wide range of applications in earth science studies. However, apatite has been …

Experimental Replacement of Zircon by Melt‐Mediated Coupled Dissolution‐Precipitation Causes Dispersion in U–Pb Ages

JL Asimus, NR Daczko, JA Gazi, IS Ezad… - Journal of …, 2024 - Wiley Online Library
Zircon geochronology provides critical information on the rates and durations of geological
processes and enables researchers to explore deep time. However, some zircon datasets …

Deformation and metasomatism recorded by single-grain apatite petrochronology

ML Odlum, DA Levy, DF Stockli, LD Stockli… - …, 2022 - pubs.geoscienceworld.org
The timing and processes of ductile deformation and metasomatism can be documented
using apatite petrochronology. We integrated microstructural, U-Pb, and geochemical …

Experimental investigation into the disturbance of the Sm-Nd isotopic system during metasomatic alteration of apatite

XC Li, DE Harlov, MF Zhou, H Hu - Geochimica et Cosmochimica Acta, 2022 - Elsevier
In order to understand the effect of fluid-induced alteration on the Sm-Nd isotope systematic
in apatite, a series of fluid/apatite reaction experiments, which involve reacting the well …

Nanoscale features revealed by a multiscale characterisation of discordant monazite highlight mobility mechanisms of Th and Pb

MJ Turuani, AM Seydoux-Guillaume… - … to Mineralogy and …, 2023 - Springer
Understanding radionuclides mass transfer mechanisms in monazite (LREEPO4) and the
resulting features, from the micro-to the nanoscale, is critical to its use as a robust U–Th–Pb …

Zircon and monazite reveal late Cambrian/early Ordovician partial melting of the Central Seve Nappe Complex, Scandinavian Caledonides

CJ Barnes, M Bukała, R Callegari, K Walczak… - … to Mineralogy and …, 2022 - Springer
Abstract The Seve Nappe Complex (SNC) comprises continental rocks of Baltica that were
subducted and exhumed during the Caledonian orogeny prior to collision with Laurentia …

Melt-mediated re-equilibration of zircon produced during meltdown of the Chernobyl reactor

D Fougerouse, T Geisler, SM Reddy, M Aleshin… - American …, 2024 - degruyter.com
The mineral zircon is used widely to constrain the age of rocks and the processes that
formed them. Although zircon is robust to a range of physical and chemical processes, it may …