Results 21 to 30 of about 461 (132)
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 7, July 2026.Abstract Most detrital zircon studies generate grayscale cathodoluminescence (CL) images, U/Pb dates, and variably extensive trace element concentration data. Yet the combined information contained in these data is rarely used for a higher‐level interpretation of zircon provenance, which still heavily relies on comparison of sample‐wide U/Pb age ...
Marco A. Acevedo Zamora +4 more
wiley +1 more source
Tectonics, Volume 45, Issue 6, June 2026.Abstract The assembly and breakup of the supercontinent Rodinia set the stage for Earth system evolution through the Neoproterozoic Era. Laurentia, the central craton in Rodinia, lacks well‐dated paleomagnetic poles between ca. 990 Ma and 780 Ma. In this study, we develop new U‐Pb petrochronology and thermochronology data sets from zircon, garnet ...
Yiming Zhang +6 more
wiley +1 more source
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 5, May 2026.Abstract To understand the interplay of climate and tectonics in driving long‐term erosion and landscape evolution in the Himalayan orogen, this study examines the tectono‐thermal evolution of the Sagarmatha (Mt. Everest)‐Rolwaling‐Okhaldhunga region in eastern Nepal.
Tshering Z. L. Sherpa +2 more
wiley +1 more source
Tectonics, Volume 45, Issue 3, March 2026.Abstract In the Afghan Hindu Kush, the 223–209 Ma (≤800°C) Salang batholith is part of the Silk‐Road magmatic arc that was built on ∼40‐km‐thick Turan‐Karakum block continental crust. The batholith constitutes the hanging wall of the Herat‐Panjshir‐Badakhshan—the Paleo‐Tethys—suture zone, vestige of the subducted Paleozoic‐early Mesozoic Paleo‐Tethys ...
Lothar Ratschbacher +8 more
wiley +1 more source
Tectonics, Volume 45, Issue 2, February 2026.Abstract In the Central Alps, the Adula unit exposes high‐ and ultra‐high‐pressure (HP‐UHP) metamorphic rocks, providing key insights into the subduction and exhumation dynamics of the former distal European margin. We investigate the San Bernardino Shear Zone (SBSZ), a top‐to‐the‐east extensional shear zone developed within orthogneiss and paragneiss ...
C. Montemagni +4 more
wiley +1 more source
Location, Location, Location: Monazite Behaviour During UHT Metamorphism and Melt Crystallization
Journal of Metamorphic Geology, Volume 44, Issue 2, Page 158-175, February 2026.ABSTRACT Monazite is a robust mineral for recording the suprasolidus evolution of migmatites and granulites. However, monazite commonly has diverse compositions and yields variable dates in a single sample; understanding the controls on monazite behaviour and composition during partial melting and melt crystallization are not always straightforward ...
Chris Yakymchuk +2 more
wiley +1 more source
Geochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.Abstract The subduction interface hosts megathrust earthquakes and ductile creep, is fluid‐rich and chemically dynamic, and produces metasomatic rocks that may host episodic tremor and slow slip (ETS). However, determining the depths at which these metasomatic rocks form and deform remains challenging.
W. Hoover +5 more
wiley +1 more source
Interpreting Europium Anomalies in Zircon: The Importance of Source Redox
Geochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.Abstract The sources of granitoids are variably oxidized due to the diversity of environments in which they form. This environmental and consequent chemical variability leads to differences in mineral assemblages, proportions, and compositions of ferric and ferrous iron‐bearing phases in these sources and in the resultant granitoids. Accessory minerals
Chris Yakymchuk, Christopher L. Kirkland
wiley +1 more source
Recent advances in petrochronology: from dates to ages and rates of deep orogenic processes [PDF]
In order to decipher the prevalent processes active at depth in orogenic systems, their time sequence and their rates have to be assessed. This is essentially done via absolute dating of accessory and rock-forming metamorphic minerals. The interpretation
Godet, A. +9 more
core +1 more source
Journal of Geophysical Research: Earth Surface, Volume 130, Issue 10, October 2025.Abstract Whereas the ability to acquire petrochronological data from detrital minerals has exploded, development of tools to analyze and interpret the multivariate data sets has not kept pace. Herein, we present a case study, which applies the recently developed non‐negative Tucker‐1 decomposition (NNT1) method to a multivariate detrital zircon data ...
Joel E. Saylor +4 more
wiley +1 more source