[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 …
salient geological characteristics and correlations among the main and relatively minor …
Lawsonite blueschists and lawsonite eclogites as proxies for palaeo‐subduction zone processes: A review
T Tsujimori, WG Ernst - Journal of Metamorphic Geology, 2014 - Wiley Online Library
Lawsonite‐bearing metamorphic/metasomatic rocks form at high‐pressure–ultrahigh
pressure (HP–UHP) and low‐temperature (LT) conditions, commonly in Pacific‐type …
pressure (HP–UHP) and low‐temperature (LT) conditions, commonly in Pacific‐type …
Gondwanan basement terranes of the Variscan–Appalachian orogen: Baltican, Saharan and West African hafnium isotopic fingerprints in Avalonia, Iberia and the …
BJ Henderson, WJ Collins, JB Murphy… - Tectonophysics, 2016 - Elsevier
Abstract Iberia, Avalonia and the “Armorican” terranes form key constituents of the Variscan–
Appalachian orogen, but their Neoproterozoic origins along the northern Gondwanan …
Appalachian orogen, but their Neoproterozoic origins along the northern Gondwanan …
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 …
southern Armorican Massif is carried out based on lithological associations, structural …
The Cambrian-Early Ordovician rift stage in the Gondwanan units of the Iberian Massif
A rifting stage initiated the Variscan cycle in NW Gondwana, lasted from Terreneuvian to
Early Ordovician times and culminated in opening of the Rheic Ocean. The result of …
Early Ordovician times and culminated in opening of the Rheic Ocean. The result of …
Two-stage collision: exploring the birth of Pangea in the Variscan terranes
The Variscan suture exposed in NW Iberia contains a stack of terranes including two
allochthonous units with continental affinity and Gondwanan provenance (Upper and Basal …
allochthonous units with continental affinity and Gondwanan provenance (Upper and Basal …
Correlation of allochthonous terranes and major tectonostratigraphic domains between NW Iberia and the Bohemian Massif, European Variscan belt
Abstract The NW Iberian Allochthon and the Teplá-Barrandian and Moldanubian zones
represent the internal parts of the Variscan belt in their respective domains. A correlation …
represent the internal parts of the Variscan belt in their respective domains. A correlation …
Allochthonous terranes involved in the Variscan suture of NW Iberia: A review of their origin and tectonothermal evolution
NW Iberia includes a rather complete section of a Variscan suture, where different terranes
with continental or oceanic affinities appear with clear structural relationships. Three groups …
with continental or oceanic affinities appear with clear structural relationships. Three groups …
[HTML][HTML] Lawsonite composition and zoning as tracers of subduction processes: A global review
DL Whitney, KF Fornash, P Kang, ED Ghent, L Martin… - Lithos, 2020 - Elsevier
Lawsonite is an abundant hydrous mineral in oceanic crust, sediments, and metasomatic
rocks at depths of~ 45 to 300 km in most subduction zones, but it is rarely preserved in the …
rocks at depths of~ 45 to 300 km in most subduction zones, but it is rarely preserved in the …
Retrogressed lawsonite blueschists from the NW Iberian Massif: P–T–t constraints from thermodynamic modelling and 40Ar/39Ar geochronology
Blueschist facies terranes in the Variscan Ibero-Armorican Arc are restricted to scarce and
relatively small areas. One of these examples is the Ceán Unit, which is the westernmost …
relatively small areas. One of these examples is the Ceán Unit, which is the westernmost …