[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 …

Local bulk composition effects on metamorphic mineral assemblages

P Lanari, M Engi - Reviews in Mineralogy and …, 2017 - pubs.geoscienceworld.org
Plate tectonic forcing leads to changes in the physical conditions that affect the lithosphere.
In response to such changes, notably the local temperature (T) and pressure (P), rocks …

Metamorphic conditions in orogenic belts: a record of secular change

M Brown - International Geology Review, 2007 - Taylor & Francis
In general, Archean rocks exhibit rather ordinary moderate-P-high-T facies series
metamorphism; neither blueschists nor any record of deep continental subduction and return …

A cold Early Palaeozoic subduction zone in the North Qilian Mountains, NW China: Petrological and U‐Pb geochronological constraints

JX Zhang, FC Meng, YS Wan - Journal of Metamorphic …, 2007 - Wiley Online Library
The north Qilian high‐pressure (HP)/low‐temperature (LT) metamorphic belt is composed
mainly of blueschists, eclogites and greenschist facies rocks. It formed within an Early …

Low-T eclogite in the Dabie terrane of China: petrological and isotopic constraints on fluid activity and radiometric dating

XP Li, YF Zheng, YB Wu, F Chen, B Gong… - … to Mineralogy and …, 2004 - Springer
While extensive studies have demonstrated fluid release during subduction of oceanic crust,
little attention has been paid to fluid activity during subduction and exhumation of continental …

Very-low-temperature record of the subduction process: A review of worldwide lawsonite eclogites

T Tsujimori, VB Sisson, JG Liou, GE Harlow… - Lithos, 2006 - Elsevier
Lawsonite eclogites preserve a record of very-low-temperature conditions in subduction
zones. All occur at active margin settings, typically characterized by accretionary complexes …

Correlation of the nappe stack in the Ibero-Armorican arc across the Bay of Biscay: a joint French–Spanish project

M Ballèvre, JR Martínez Catalán… - Geological Society …, 2014 - lyellcollection.org
A correlation between allochthonous units exposed in the NW Iberian Massif and the
southern Armorican Massif is carried out based on lithological associations, structural …

The P–T path of the ultra‐high pressure Lago Di Cignana and adjoining high‐pressure meta‐ophiolitic units: insights into the evolution of the subducting Tethyan slab

C Groppo, M Beltrando… - Journal of Metamorphic …, 2009 - Wiley Online Library
Abstract The Lago di Cignana ultra‐high‐pressure unit (LCU), which consists of coesite–
eclogite facies metabasics and metasediments, preserves the most deeply subducted …

Eclogitization of the Monviso ophiolite (W. Alps) and implications on subduction dynamics

S Angiboust, R Langdon, P Agard… - Journal of …, 2012 - Wiley Online Library
Abstract To constrain deep (40–100 km) subduction dynamics, extensive P–T data are
provided on the eclogitic Monviso ophiolite derived from the subducted Liguro‐Piemontese …

The lawsonite paradox: a comparison of field evidence and mineral equilibria modelling

GL Clarke, R Powell… - Journal of Metamorphic …, 2006 - Wiley Online Library
Lawsonite equilibria are predicted to occur over a broad P–T spectrum developed during
subduction, yet lawsonite‐bearing assemblages are rare. In the context of mafic mineral …