The palaeozoic variscan oceans revisited

W Franke, LRM Cocks, TH Torsvik - Gondwana research, 2017 - Elsevier
Geological evidence, supported by biogeographical data and in accord with
palaeomagnetic constraints, indicates that “one ocean” models for the Variscides should be …

[HTML][HTML] The Mid-Variscan Allochthon: Keys from correlation, partial retrodeformation and plate-tectonic reconstruction to unlock the geometry of a non-cylindrical belt

JRM Catalan, K Schulmann, JF Ghienne - Earth-Science Reviews, 2021 - Elsevier
The non-cylindrical character of the Variscan Belt is established via a description of its most
salient geological characteristics and correlations among the main and relatively minor …

锆石成因矿物学与锆石微区定年综述

李长民 - 华北地质, 2009 - cgsjournals.com
锆石是岩浆岩, 变质岩和石英脉型金矿床中的一种常见副矿物, 对锆石成因类型的准确判断是
正确理解锆石U-Pb 年龄意义的关键. 本文中笔者对不同成因类型锆石的判别标志及年龄意义 …

Two plates—many subduction zones: the Variscan orogeny reconsidered

U Kroner, RL Romer - Gondwana Research, 2013 - Elsevier
The Variscides of Europe and N-Africa are the result of the convergence of the plates of
Gondwana and Laurussia in the Paleozoic. This orogen is characterized by the juxtaposition …

Genesis of zircon and its constraints on interpretation of U-Pb age

Y Wu, Y Zheng - Chinese Science Bulletin, 2004 - Springer
Zircon U-Pb dating is the most commonly used method for isotopic geochronology.
However, it has been a difficult issue when relating zircon U-Pb ages to metamorphic …

Re-equilibration of zircon in aqueous fluids and melts

T Geisler, U Schaltegger, F Tomaschek - Elements, 2007 - pubs.geoscienceworld.org
Natural zircon crystals often show complex secondary textures that cut across primary
growth zones. In zircon showing structural damage caused by self-irradiation, such textures …

A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

Tectonic evolution of the Qinling orogenic belt, Central China: new evidence from geochemical, zircon U–Pb geochronology and Hf isotopes

Y Shi, JH Yu, M Santosh - Precambrian Research, 2013 - Elsevier
The Qinling orogenic belt (QOB) located between the North China Craton (NCC) and the
Yangtze Craton (YZC) is composed of the Northern Qinling Belt (NQB) and the Southern …

Triassic eclogites from central Qiangtang, northern Tibet, China: petrology, geochronology and metamorphic P–T path

QG Zhai, RY Zhang, BM Jahn, C Li, SG Song, J Wang - Lithos, 2011 - Elsevier
High-pressure (HP)/low-temperature (LT) metamorphic rocks, such as eclogite and
blueschist, are generally regarded as an indicator of subduction-zone metamorphism …

Metamorphic growth and recrystallization of zircon: distinction by simultaneous in-situ analyses of trace elements, U–Th–Pb and Lu–Hf isotopes in zircons from …

RX Chen, YF Zheng, L Xie - Lithos, 2010 - Elsevier
Simultaneous in-situ analyses of trace elements, U–Th–Pb and Lu–Hf isotopes were carried
out on distinct domains of zircons in ultrahigh-pressure (UHP) eclogite-facies metamorphic …