The causes of continental arc flare ups and drivers of episodic magmatic activity in Cordilleran orogenic systems
Continental arcs in Cordilleran orogenic systems display episodic changes in magma
production rate, alternating between flare ups (70–90 km 3 km− 1 Myr− 1) and lulls (< 20 km …
production rate, alternating between flare ups (70–90 km 3 km− 1 Myr− 1) and lulls (< 20 km …
Arclogites and their role in continental evolution; part 2: relationship to batholiths and volcanoes, density and foundering, remelting and long-term storage in the …
Arclogites are eclogite-like rocks formed magmatically as ultramafic residues and cumulates
in the roots of thick arcs (Ducea et al., 2021 companion paper). They are inferred to be …
in the roots of thick arcs (Ducea et al., 2021 companion paper). They are inferred to be …
Provenance and source-to-sink of lower-middle Jurassic sediments from Hinterland mounts to NW-Gondwana hyper-extended passive margin (Prerif sub-domain …
The present work deals with the provenance of lower-middle Jurassic successions
belonging to the External Prerif Foreland basin, which remains till now misunderstood and …
belonging to the External Prerif Foreland basin, which remains till now misunderstood and …
Arc tempos of the Gangdese batholith, southern Tibet
The character of arcs varies over time with significant temporal fluctuations in the quantity
and spatiotemporal patterns of magmatism. However, the driving mechanisms for this …
and spatiotemporal patterns of magmatism. However, the driving mechanisms for this …
Hemispheric geochemical dichotomy of the mantle is a legacy of austral supercontinent assembly and onset of deep continental crust subduction
Oceanic hotspots with extreme enriched mantle radiogenic isotopic signatures—including
low 143Nd/144Nd indicative of subducted continental crust—are linked to plume conduits …
low 143Nd/144Nd indicative of subducted continental crust—are linked to plume conduits …
The role of V-shaped oceans and ribbon continents in the Brasiliano/PanAfrican assembly of western Gondwana
Western Gondwana amalgamated by collision of continental blocks that did not form prior
conjugated margins (extroversion), and by typical Wilson cycles, when continental blocks …
conjugated margins (extroversion), and by typical Wilson cycles, when continental blocks …
Zircon U–Pb geochronology and Sm–Nd and Rb–Sr isotope systematics of Neoproterozoic granitoïds from Bou Azzer (Anti-Atlas-Morocco): the obduction trigger of the …
This study presents new U–Pb zircon ages for the Neoproterozoic granitoids of the Bou
Azzer inlier at the central part of the Anti-Atlas chain (Morocco), in the northwestern edge of …
Azzer inlier at the central part of the Anti-Atlas chain (Morocco), in the northwestern edge of …
Neoproterozoic arc-magmatism of the Silet Terrane, Western Hoggar (Algeria), new constraints from zircon U-Pb-Hf isotope analyses and whole rock geochemistry
N Berrahmane, EH Fettous, A Bendaoud… - Gondwana …, 2025 - Elsevier
This study presents results of zircon U-Pb-Hf isotope analyses and whole-rock geochemistry
applied to magmatic rocks of the Silet terrane in the Western Hoggar, forming a part of the …
applied to magmatic rocks of the Silet terrane in the Western Hoggar, forming a part of the …
Prolonged magmatism and growth of the Iran-Anatolia Cadomian continental arc segment in Northern Gondwana
Much of the crust of Iran and Anatolia, including their oldest exposed rocks, formed during
an episode of intense convergent margin (arc) magmatism as a result of subduction of …
an episode of intense convergent margin (arc) magmatism as a result of subduction of …
Ultramafic-hosted volcanogenic massive sulfide deposits: an overlooked sub-class of VMS deposit forming in complex tectonic environments
Ongoing seafloor exploration highlights that ultramafic-hosted seafloor massive sulfide
deposits (UM-SMS) are ubiquitous along slow to ultra-slow spreading ridges. These …
deposits (UM-SMS) are ubiquitous along slow to ultra-slow spreading ridges. These …